ELEN
CO
®
150
Carp
ente
r Ave
nue
Whe
eling
, IL
6009
0(8
47) 5
41-3
800
Web
site:
www
.elen
co.co
me-
: ele
nco@
elenc
o.co
m
DIGITA
L / A
NALO
G TR
AINE
R
MOD
EL XK-70
0KA CO
MPL
ETE MINI-L
AB FOR
BUILD
ING, TES
TING
AND PR
OTOT
YPING AN
ALOG
AND
DIGITA
L CIRC
UITS
Tools
and
met
er sh
own
not in
clude
d.As
sembly & Instruction Man
ual
ELEN
CO®
Copy
right
© 2
013,
199
6 by
ELE
NCO®
Elec
tronic
s, In
c. A
ll righ
ts re
serv
ed.
R
evise
d 20
13
R
EV-G
7530
29No
par
t of t
his b
ook s
hall b
e re
prod
uced
by a
ny m
eans
; elec
tronic
, pho
toco
pying
, or o
ther
wise
with
out w
ritte
n pe
rmiss
ion fr
om th
e pu
blish
er.
Qty.
Desc
riptio
nPa
rt #
r1
Tran
sform
er44
K500
r1
PC b
oard
5145
50r
1Fu
se 1
.25A
5301
25r
1Sw
itch
illum
inate
d54
1204
r2
Conn
ecto
r 3-p
in59
1032
r1
Conn
ecto
r 5-p
in59
1052
r4
Brac
ket L
4-4
0 ta
p61
3008
r1
Pane
l top
6141
08r
1XK
-700
Fra
me
6145
01PB
r4
Knob
6220
09r
1Ca
se62
3051
r1
Stra
in re
lief
6240
03r
1Sp
acer
nylo
n 7/
16” x
3/1
6” ta
p62
4013
r1
Conn
ecto
r rec
epta
cle62
6020
r1
Conn
ecto
r plug
6260
21r
1Sc
rew
4-40
x 1/4
” phil
lips,
flat h
ead
6414
31r
9Sc
rew
4-40
x 1/
4” p
hillip
s tru
ss64
1438
r6
Scre
w 6-
32 x
5/16
” slot
ted
6416
41r
2Sc
rew
8-32
x 3/
8” p
hillip
s64
1840
r2
Scre
w #4
x 1/
4” p
hillip
s AB
6424
30r
4Sc
rew
#6 x
1/2
philli
ps A
B64
2662
r4
Scre
w #6
x 3/
8” p
hillip
s thr
ead
cuttin
g64
3652
r4
Nut 7
mm
6441
01r
6Nu
t 6-3
264
4601
r2
Nut 8
-32
6448
00r
4W
ashe
r 8m
m x
14m
m (P
ot)
6451
01r
4W
ashe
r #6
black
6454
00
Qty.
Desc
riptio
nPa
rt #
r4
Was
her f
iber
6454
04r
2Lo
ckwa
sher
#8
EXT
6468
28r
1Fu
se h
older
6630
00r
4Br
edblo
x 4-p
in66
5204
r2
Term
inal m
ale cr
imp
6660
10r
2Te
rmina
l fem
ale cr
imp
6660
11r
1M
anua
l75
3029
r5
Insu
lator
mica
7800
02r
5In
sulat
or w
ashe
r78
0101
r1
Silic
on G
reas
e79
0004
r6”
Wire
#20
red
stran
ded
8132
10r
2.5’
Wire
#22
bar
e wi
re84
5000
r1
Line
cord
8621
05r
3/4”
Tubin
g #2
0 bla
ck89
0020
r2”
Shrin
k tub
ing 3
/16”
8901
20r
1”Sh
rink t
ubing
1/4
”89
0701
r2”
Shrin
k tub
ing 1
/2”
8911
01-2
r2”
Shrin
k tub
ing 3
/4”
8991
10-2
r1
Solde
r tub
e lea
d-fre
eLF
99
-1-
PS-700
-BXK
-700
K PO
WER
SUP
PLY KIT (PS-70
0-B) PAR
TS LIST
RESIST
ORS
Qty.
Symbo
lVa
lue
Desc
riptio
nPa
rt #
r2
R1, R
212
0W5%
1/4
W(b
rown
-red-
brow
n-go
ld)13
1200
r2
R50,
R51
1.2kW
5% 1
/2W
(blac
k-re
d-re
d-go
ld)14
1201
r1
VR3
1kW
Pot P
C m
ount
1924
12r
2VR
1, V
R22kW
Pot P
C m
ount
19
2421
r1
VR4
100kW
Pot P
C m
ount
19
2612
CAPA
CITO
RSQty.
Symbo
lVa
lue
Desc
riptio
nPa
rt #
r3
C7-C
9.1m
F 10
0VM
ylar
2510
17r
5C1
2, C
14-C
1710
0mF
Elec
trolyt
ic (ly
tic)
2810
45r
4C1
, C2,
C4,
C5
1000
mF
35V
Elec
trolyt
ic (ly
tic)
2910
46r
1C3
2200
mF
25V
Elec
trolyt
ic (ly
tic)
2922
25SE
MICON
DUCT
ORS
Qty.
Symbo
lDe
scrip
tion
Part #
r19
D1-D
15, D
26-D
291N
4001
Diod
e31
4001
r1
U1LM
317
Inte
grat
ed ci
rcuit
(IC)
3303
17r
1U5
LM33
7 In
tegr
ated
circ
uit (I
C)33
0337
r1
U3LM
7805
Inte
grat
ed ci
rcuit
(IC)
3378
05r
1U2
LM78
12 In
tegr
ated
circ
uit (I
C)33
7812
r1
U4LM
7912
Inte
grat
ed ci
rcuit
(IC)
3379
12MISCE
LLAN
EOUS
Screw Iden
tification
Philli
ps A
Bsc
rew
Flat
hea
d sc
rew
Stan
dard
scre
wTr
uss h
ead
scre
w
-50-
QUIZ - DIGITA
L SE
CTION
INST
RUCT
IONS
: Co
mple
te th
e fo
llowi
ng e
xam
inatio
n, ch
eck y
our a
nswe
rs ca
refu
lly.
1. T
he lo
gic sw
itche
s con
sist o
f . .
.r
A. tw
o NA
ND g
ates
and
an
SPST
switc
h.r
B. th
ree
OR g
ates
.r
C. tw
o NA
ND g
ates
and
a D
PDT
switc
h.r
D. o
ne O
R ga
te.
2. W
hen
the
logic
switc
h is
thro
wn .
. .r
A. th
e co
ntac
ts do
not
bou
nce.
rB.
a si
ngle
trans
ition
is pr
oduc
ed a
t the
NAN
D ga
te o
utpu
t.r
C. a
mult
iple
trans
ition
is pr
oduc
ed a
t the
NAN
D ga
te o
utpu
t.r
D. n
one
of th
e ab
ove.
3. If
the
X ou
tput
is h
igh, o
penin
g an
d clo
sing
the
grou
nd a
t X sw
itch
will .
. .
rA.
caus
e th
e X
outp
ut to
go
low.
rB.
caus
e th
e X
outp
ut to
go
high.
rC.
caus
e th
e X
outp
ut to
go
from
high
to lo
w.r
D. n
one
of th
e ab
ove.
4. T
he lo
gic in
dicat
or L
ED lig
hts u
p wh
en .
. .r
A. in
put v
oltag
e is
2V.
rB.
inpu
t volt
age
is gr
eate
r tha
n 2.
8.r
C. th
e IC
out
put is
high
.r
D. a
ll of t
he a
bove
.5.
The
logic
switc
hes u
se .
. .r
A. si
ngle
pole
single
thro
w sw
itche
s.r
B. d
ouble
pole
dou
ble th
row
switc
hes w
ires a
s sing
le po
le do
uble
thro
w sw
itche
s.r
C. tw
o po
le 5
posit
ion ro
tary
switc
hes.
rD.
4 p
ole 3
pos
ition
rota
ry sw
itche
s.6.
The
100
kWre
sisto
r on
the
logic
indica
tor i
nput
. . .
rA.
divi
des t
he in
put v
oltag
e in
half.
rB.
bias
the
input
to +
5V.
rC.
bias
the
input
to G
ND.
rD.
turn
on
the
LED.
7.W
hen
the
logic
switc
h is
in th
e X
posit
ion .
. .r
A. X
is h
igh, X
is lo
w.r
B. X
is h
igh, X
is h
igh.
rC.
X is
low,
X is
high
.r
D. X
is lo
w, X
is lo
w.8.
Whe
n th
e da
ta sw
itch
is up
and
conn
ecte
d to
the
logic
indica
tor .
. .
rA.
the
switc
h ou
tput
is g
reat
er th
an 2
.8V.
rB.
the
switc
h ou
tput
is G
ND.
rC.
the
LED
will b
e ou
t.r
D. n
one
of th
e ab
ove.
9. T
he +
5VDC
pow
er fo
r the
digi
tal s
ectio
n co
mes
from
a .
. .r
A. 7
805
IC.
rB.
790
5 IC
.r
C. 5
V ba
ttery.
rD.
781
2 IC
.10
. If p
in 4
on U
7B is
high
. . .
rA.
pin
3 is
low.
rB.
pin
1 is
low.
rC.
pin
2 an
d 6
are
high.
rD.
pin
5 is
high.
Answers:1. C; 2. B; 3. D; 4. B; 5. B; 6. C; 7. A; 8. A; 9. A; 10. B
-2-
PART
S VE
RIFICA
TION
Befo
re b
eginn
ing th
e as
sem
bly p
roce
ss, f
irst f
amilia
rize
your
self w
ith th
e co
mpo
nent
s and
this
instru
ction
boo
k.Ve
rify t
hat a
ll par
ts ar
e pr
esen
t. Th
is is
done
bes
t by c
heck
ing o
ff ea
ch ite
m in
the
parts
list.
IDEN
TIFY
ING RE
SIST
OR VAL
UES
Use
the
follo
wing
info
rmat
ion a
s a g
uide
in pr
oper
ly ide
ntify
ing th
e va
lue o
f res
istor
s.
Resistors
Capa
citors
Elec
trolyt
ic(L
ytic)
(Rad
ial)
Conn
ectors
Switc
hes
Myla
r
Rota
ryDP
DT
Disc
ap
Knob
3-Pi
n4-
Pin
5-Pi
n
Misce
llane
ous
Illum
inate
d
Conn
ecto
r plug
Male
crim
pte
rmina
lFe
male
crim
pte
rmina
l
Inte
grat
ed ci
rcuit
(IC)
Tran
sisto
rIn
tegr
ated
circ
uit (I
C)Diod
e
LED
IDEN
TIFY
ING CA
PACITO
R VA
LUES
Capa
citor
s wi
ll be
iden
tified
by
their
cap
acita
nce
value
in p
F (p
icofa
rads
), nF
(nan
ofar
ads)
, or m
F (m
icrof
arad
s). M
ost
capa
citor
s will
have
their
actu
al va
lue pr
inted
on th
em. S
ome c
apac
itors
may
have
their
value
ed in
the f
ollow
ing m
anne
r.Th
e m
axim
um o
pera
ting
volta
ge m
ay a
lso b
e pr
inted
on
the
capa
citor
.
PC m
ount
pot
entio
met
er
PC m
ount
trim
pot
Semicon
ductors
IC so
cket
Bred
blox
Conn
ecto
r rec
epta
cle
Tran
sform
er
Carb
on fil
m Warning
:If
the
capa
citor
isco
nnec
ted
with inc
orrect
polarity, it may
hea
t up an
deither lea
k, o
r ca
use
the
capa
citor to ex
plod
e.
BAND
S
Elec
trolyt
ic ca
pacit
ors h
ave a
posit
ive an
d ane
gativ
e ele
ctrod
e. T
he n
egat
ive le
ad is
indica
ted
on th
e pa
ckag
ing b
y a st
ripe
with
minu
s sign
s and
poss
ibly a
rrowh
eads
. Also
,th
e ne
gativ
e lea
d of
a ra
dial e
lectro
lytic
issh
orte
r tha
n th
e po
sitive
one
.
Polar
itym
arkin
g
BAND
11s
t Digi
tCo
lor
Digit
Blac
k0
Brow
n1
Red
2Or
ange
3Ye
llow
4Gr
een
5Bl
ue6
Viole
t7
Gray
8W
hite
9
BAND
22n
d Di
gitCo
lor
Digit
Blac
k0
Brow
n1
Red
2Or
ange
3Ye
llow
4Gr
een
5Bl
ue6
Viole
t7
Gray
8W
hite
9
Multip
lier
Color
Multip
lier
Blac
k1
Brow
n10
Red
100
Ora
nge
1,00
0Ye
llow
10,0
00G
reen
100,
000
Blue
1,00
0,00
0Si
lver
0.01
Gol
d0.
1
Resistan
ceTo
leranc
eCo
lor
Toleranc
eSi
lver
±10%
Gol
d±5
%Br
own
±1%
Red
±2%
Ora
nge
±3%
Gre
en±0
.5%
Blue
±0.2
5%Vi
olet
±0.1
%
12
Mult
iplier
Toler
ance
Mult
iplier
For t
he N
o.0
12
34
58
9M
ultipl
y By
110
100
1k10
k10
0k.0
10.
1
(+)
(–)
(+)
(–)
Axial
Radial
Seco
nd d
igit
Firs
t digi
t
Mult
iplier
Toler
ance*
Note:
The
lette
r “R”
may
be
used
at
times
to s
ignify
a d
ecim
al po
int; a
s in
3R3
= 3.
3
The
lette
r M in
dicat
es a
toler
ance
of +
20%
The
lette
r K in
dicat
es a
toler
ance
of +
10%
The
lette
r J in
dicat
es a
toler
ance
of +
5%
Max
imum
wor
king
volta
ge(m
ay o
r may
not
app
ear
on th
e ca
p)Th
e va
lue is
10
x 10
= 10
0pF,
+10%
, 50V
*
CERA
MIC DISC
MYL
AR
Firs
t digi
tSe
cond
digi
tM
ultipl
ierTo
leran
ce*
2A222J100V
The
value
is 2
2 x 1
00 =
2,
200p
F or
.002
2mF,
+5%
, 100
V
101K
50V
Fuse
ass
embly
7/16
” x3/
16” t
ap
Spac
ers
1/4”
#8
SCHE
MAT
IC DIAGR
AM
-49-
-3-
CONS
TRUC
TION
Solde
rSo
lderin
g Iro
n
Foil
Solde
rSo
lderin
g Iro
n
Foil
Com
pone
nt L
eadSo
lderin
g Iro
n
Circ
uit B
oard
Foil
Rosin
Solde
ring
iron
posit
ioned
incor
rectl
y.
Solde
r
Gap
Com
pone
nt L
ead
Solde
r
Solde
ring
Iron
Drag
Foil
1.So
lder a
ll co
mpo
nent
s fro
m th
eco
pper
foil
side
only.
Pu
sh th
eso
lderin
g iro
n tip
aga
inst b
oth
the
lead
and
the
circu
it boa
rd fo
il.
2.Ap
ply a
small
am
ount
of s
older
toth
e iro
n tip.
This
allow
s the
heat
tolea
ve th
e iro
n an
d on
to th
e fo
il.Im
med
iately
app
ly so
lder t
o th
eop
posit
e sid
e of
the
conn
ectio
n,aw
ay f
rom
the
iro
n. A
llow
the
heat
ed co
mpo
nent
and
the
circu
itfo
il to
melt
the
solde
r.
1.Insu
fficien
t hea
t- th
e so
lder w
illno
t flow
ont
o th
e lea
d as
show
n.
3.Al
low th
e sold
er to
flow
arou
nd th
eco
nnec
tion.
Th
en,
rem
ove
the
solde
r an
d th
e iro
n an
d let
the
conn
ectio
n co
ol.
The
solde
rsh
ould
have
flowe
d sm
ooth
ly an
dno
t lum
p ar
ound
the
wire
lead
.
4.He
re
is wh
at
a go
od
solde
rco
nnec
tion
looks
like.
2.Insu
fficie
nt so
lder
- let th
e sold
erflo
w ov
er th
e co
nnec
tion
until
it is
cove
red.
Use
just e
noug
h so
lder t
o co
ver
the
conn
ectio
n.
3.Ex
cess
ive so
lder
- cou
ld m
ake
conn
ectio
ns t
hat
you
did n
otint
end
to b
etwe
en a
djace
nt f
oilar
eas o
r ter
mina
ls.
4.So
lder b
ridge
s-
occu
r wh
enso
lder r
uns
betw
een
circu
it pa
ths
and
crea
tes a
shor
t circ
uit. T
his is
usua
lly ca
used
by us
ing to
o muc
hso
lder.
To c
orre
ct th
is, s
imply
dra
g yo
urso
lderin
g iro
n ac
ross
the
solde
rbr
idge
as sh
own.
Wha
t Goo
d So
ldering Lo
oks Like
A go
od s
older
con
necti
on s
hould
be
brigh
t, sh
iny, s
moo
th, a
nd u
nifor
mly
flowe
d ov
er a
ll sur
face
s.
Type
s of Poo
r Solde
ring Co
nnec
tions
Intro
duction
The
mos
t im
porta
nt fa
ctor i
n as
sem
bling
you
r XK-
700K
Digi
tal/A
nalog
Train
er K
it is g
ood
solde
ring
tech
nique
s. Us
ing th
e pr
oper
solde
ring
iron
is of
prim
e im
porta
nce.
A s
mall
pen
cil ty
pe s
older
ing ir
on o
f 25
watts
isre
com
men
ded.Th
e tip of the
iron
mus
t be k
ept c
lean
at all tim
es an
dwe
ll-tin
ned.
Solder
For m
any y
ears
lead
ed so
lder w
as th
e mos
t com
mon
type
of so
lder u
sed
by th
e ele
ctron
ics in
dustr
y, bu
t it i
s no
w be
ing re
place
d by
lead
-free
solde
r fo
r he
alth
reas
ons.
This
kit c
onta
ins le
ad-fr
ee s
older
, whic
hco
ntain
s 99.
3% tin
, 0.7
% co
pper
, and
has
a ro
sin-fl
ux co
re.
Lead
-free
solde
r is di
ffere
nt fr
om le
ad so
lder:
It has
a hig
her m
elting
point
than
lead
sold
er, s
o yo
u ne
ed h
igher
tem
pera
ture
for t
he s
older
to fl
owpr
oper
ly. R
ecom
men
ded
tip te
mpe
ratu
re is
app
roxim
ately
700
O F; h
igher
tem
pera
ture
s im
prov
e so
lder f
low b
ut a
ccele
rate
tip d
ecay
. An
incre
ase
in so
lderin
g tim
e may
be re
quire
d to a
chiev
e goo
d res
ults.
Solde
ring i
ron
tips
wear
out
faste
r sinc
e lea
d-fre
e so
lders
are
mor
e co
rrosiv
e an
d th
ehig
her s
older
ing te
mpe
ratu
res a
ccele
rate
corro
sion,
so pr
oper
tip ca
re is
impo
rtant
. The
sold
er jo
int fi
nish
will
look
sligh
tly d
uller
with
lead
-free
solde
rs.
Use
thes
e pr
oced
ures
to in
crea
se th
e life
of y
our s
older
ing ir
on tip
whe
nus
ing le
ad-fr
ee so
lder:
•Kee
p th
e iro
n tin
ned
at a
ll tim
es.
•Use
the
corre
ct tip
size
for b
est h
eat t
rans
fer.
The
conic
al tip
is th
em
ost c
omm
only
used
.
•Tur
n of
f iro
n wh
en n
ot in
use
or r
educ
e te
mpe
ratu
re s
ettin
g wh
enus
ing a
solde
ring
statio
n.
•Tips
shou
ld be
clea
ned f
requ
ently
to re
move
oxida
tion b
efore
it be
come
sim
poss
ible
to re
move
. Use
Dry
Tip C
leane
r (El
enco
®#S
H-10
25) o
r Tip
Clea
ner (
Elen
co®
#TTC
1). If
you u
se a
spon
ge to
clea
n you
r tip,
then u
sedis
tilled
wate
r (tap
wate
r has
impu
rities
that
acce
lerate
corro
sion)
.
Safety Proce
dures
•Always w
ear s
afety g
lasses or s
afety g
oggles to
protect
your eye
s wh
en w
orking
with
tools or solde
ring iro
n,an
d du
ring all p
hase
s of te
sting.
•Be
sure
ther
e is ad
equa
te ven
tilation
when
solde
ring.
•Loc
ate
solde
ring
iron
in an
are
a wh
ere
you
do n
ot h
ave
to g
o ar
ound
it or
reac
h ov
er it
. Kee
p it
in a
safe
are
a aw
ay fr
om th
e re
ach
ofch
ildre
n.•D
o no
t hold so
lder in
you
r mou
th.S
older
is a
toxic
sub
stanc
e.W
ash
hand
s tho
roug
hly a
fter h
andli
ng so
lder.
Asse
mble Co
mpo
nents
In a
ll of t
he fo
llowi
ng a
ssem
bly st
eps,
the
com
pone
nts m
ust b
e ins
talle
don
the
top
side
of th
e PC
boa
rd u
nless
oth
erwi
se in
dicat
ed. T
he to
pleg
end s
hows
whe
re ea
ch co
mpo
nent
goes
. The
lead
s pas
s thr
ough
the
corre
spon
ding
holes
in th
e bo
ard
and
are
solde
red
on th
e fo
il side
.Us
e on
ly ro
sin co
re solde
r.DO
NOT
USE
ACID CO
RE SOL
DER!
-48-
CIRC
UIT DE
SCRIPT
ION - D
IGITA
L SE
CTION
THE DA
TA SWITCH
ESTh
ere
are
eight
dat
a sw
itche
s lab
eled
SW1
thro
ugh
SW8.
The
circ
uit is
ver
y sim
ple.
To p
erfo
rm th
e de
sired
func
tions
, ther
e is a
doub
le th
row
doub
le po
le sw
itch,
wire
d as a
sing
le po
le do
uble
thro
w. O
ne en
d is c
onne
cted
to th
e 5V
, the
oth
er to
gro
und
and
the
cent
er lu
g is
conn
ecte
d to
the
outp
ut.
THE LO
GIC SW
ITCH
ESTh
e log
ic sw
itche
s ar
e als
o DP
DT s
witch
es w
ired
as S
PST
switc
hes.
The
logic
swi
tches
per
form
the
sam
efu
nctio
n as
the
data
switc
hes.
Tha
t is, t
hey p
rodu
ce h
igh o
r low
stat
es.
But t
here
is o
ne b
ig dif
fere
nce.
Whe
nsw
itchin
g th
e da
ta sw
itche
s, m
any p
ulses
may
be
prod
uced
due
to b
ounc
ing o
f the
cont
acts.
In th
e log
ic sw
itche
s, on
ly on
e pu
lse is
pro
duce
d at
the
IC o
utpu
t no
mat
ter h
ow m
any t
imes
the c
onta
cts bo
unce
. This
is ex
trem
ely im
porta
ntif
you
are
prod
ucing
puls
es fo
r cou
nting
circ
uits.
Figu
re R
sho
ws th
ewi
ring
of th
e log
ic sw
itch.
The
two
NAND
gat
es a
re c
onne
cted
so th
atwh
en th
e X
input
is g
roun
ded,
the
X ou
tput
goe
s hig
h. O
penin
g an
dclo
sing
the
grou
nd a
t X w
ill no
t cha
nge
the
outp
ut.
Only
when
X is
grou
nded
will
the
outp
ut ch
ange
to lo
w. T
hus,
only
one
outp
ut ch
ange
ispr
oduc
ed w
ith on
e mov
emen
t of th
e X sw
itch.
The
re ar
e two
outp
uts f
rom
each
logic
switc
h, X
and
X o
r Y a
nd Y.
THE LO
GIC INDICA
TORS
Ther
e ar
e eig
ht lo
gic in
dicat
ors.
Figu
re S
show
s the
circ
uit.
It co
nsist
s of a
74HC
04 IC
. W
hen
the
input
is o
ver 2
.8V,
the
outp
ut o
f the
IC w
ill be
low,
draw
ing c
urre
nt th
roug
h th
e LE
D ind
icato
r. T
he 1
20W
resis
tor l
imits
the
curre
nt in
the
LED
to le
ss th
an 2
0mA.
Whe
n th
ere
is no
conn
ectio
n to
the
input
of t
he lo
gic in
dicat
ors,
the
two
100kW
resis
tor b
ias th
e inp
ut to
GND
.Th
is ins
ures
that
the
LED
will b
e of
f.
Figu
re R
XIC
7
XX
X6
541 23
IC7
100k
100k
120
74HC
04LE
D5V
Figu
re S
-4-
INTR
ODUC
TION
The
XK-7
00K
Digit
al/An
alog T
raine
r is d
ivide
d int
o fo
ur se
para
te ki
ts: B
B-70
0-A,
PS-
700-
B, A
N-70
0-C
and
DG-
700D
. Eac
h ba
g of
par
ts is
clear
ly ide
ntifie
d. O
pen
only
the
kit ca
lled
for i
n yo
ur p
roce
dure
. DO
NOT
open
any
othe
r bag
at t
his tim
e. T
he fir
st kit
is th
e BB
-700
-A w
hich
cont
ains o
nly th
e br
eadb
oard
. The
bre
adbo
ard
will b
eas
sem
bled
to th
e fro
nt p
anel
of th
e tra
iner d
uring
the
asse
mbly
of t
he P
S-70
0-B
Powe
r Sup
ply. R
ead
your
instru
ction
s car
efull
y.Po
wer S
upply
The
XK-7
00K
has
five
built-
in po
wer s
uppli
es w
hich
will s
atify
mos
t des
ign n
eeds
. This
inclu
des
two
varia
blepo
wer s
uppli
es gi
ving u
p to +
20 vo
lts an
d –20
volts
at 0.
5 am
p. B
elow
15V,
the c
urre
nt av
ailab
le is
1 am
p. T
hree
fixed
pow
er s
uppli
es g
ive y
ou +
12VD
C, –
12VD
C or
+5V
DC a
t 1 a
mp
each
. The
se fi
xed
volta
ges
are
the
mos
tco
mm
only
used
volta
ges f
or d
esign
wor
k. Al
l sup
plies
are
regu
lated
to w
ithin
150m
V. T
his m
eans
that
you
can
incre
ase
the
curre
nt d
raw
from
no
load
to 0
.5 a
mp
and
the
volta
ge w
ill ch
ange
less
than
150
mV.
All s
uppli
es a
reals
o sh
ort c
ircuit
pro
tecte
d by
usin
g int
egra
ted
circu
it reg
ulato
r dev
ices.
Analog
Trainer Sec
tion Fu
nctio
n Ge
nerator
The
analo
g tra
iner c
onta
ins a
com
plete
func
tion
gene
rato
r cap
able
of p
rodu
cing
sine,
squ
are
and
trian
glewa
vefo
rms.
The
frequ
ency
of t
he g
ener
ator
is co
ntinu
ously
varia
ble fr
om o
ne h
ertz
to o
ver 1
00,0
00 h
ertz
in fiv
este
ps. A
fine
tunin
g co
ntro
l mak
es th
e se
lectio
n of
any
freq
uenc
y eas
y. Th
e ou
tput
volta
ge a
mpli
tude
is va
riable
betw
een
0 to
15V
pp. T
he o
utpu
t impe
danc
e is
appr
oxim
ately
330
ohm
s.Digital Trainer Sec
tion
The
digita
l train
er h
as th
e ne
cess
ary f
uncti
ons t
o do
your
digi
tal e
xper
imen
ts. T
hey c
onsis
t of a
cloc
k gen
erat
or,
two
no-b
ounc
e sw
itche
s, eig
ht L
ED in
dicat
or la
mps
and
eigh
t dat
a sw
itche
s.
POWER
SUP
PLY SP
ECIFICAT
IONS
Powe
r Sup
plies:
• 0V
to 2
0VDC
@ 0
.5 a
mp
(0V
to 1
5V @
1 a
mp)
.• 0
V to
-20V
DC @
0.5
am
p (0
V to
–15
V @
1 a
mp)
.• +
12V
+5%
@ 1
am
p.• –
12V
+5%
@ 1
am
p.• +
5V +
5% @
1 a
mp.
• 30V
AC ce
nter
tapp
ed @
1 a
mp.
• Loa
d re
gulat
ion -
all D
C su
pplie
s les
s tha
n 0.
2V n
o loa
d to
0.5
A.• L
ine re
gulat
ion -
all D
C su
pplie
s les
s tha
n 0.
2V 1
05 to
135
V.• H
um a
nd ri
pple
- all D
C su
pplie
s les
s tha
n 0.
01V
RMS.
• Sho
rt pr
otec
tion
- all D
C su
pplie
s-int
erna
l IC th
erm
al cu
toff.
• Fus
e 1.
25A
250V
.Va
riable Re
sistan
ce (u
nded
icated
):• 1
kWPo
tent
iomet
er• 1
00kW
Pote
ntiom
eter
USER
S DE
SCRIPT
ION OF
FRO
NT PAN
EL CON
TROL
S1)
On/Off Sw
itch
- Allo
ws p
ower
to b
e ap
plied
to a
ll out
puts.
Swi
tch w
illlig
ht w
hen
on.
2)Fu
se Holde
r- E
asy a
cces
s for
repla
cem
ent o
f 1.2
5A fu
se.
3)Po
wer O
utpu
t Terminals
- This
pro
vides
30V
AC ce
nter
tapp
ed a
t15
VAC
; also
pro
vides
out
put t
erm
inal fo
r pos
itive
and
nega
tive
varia
ble vo
ltage
s.4)
Varia
ble Po
sitiv
e Vo
ltage
Con
trol-
Var
ies p
ositiv
e vo
ltage
from
0V
to 2
0V a
t indic
ated
out
put c
onne
ctor p
in.5)
Varia
ble Ne
gativ
e Vo
ltage
Con
trol-
Var
ies n
egat
ive vo
ltage
from
0V to
–20
V at
indic
ated
out
put c
onne
ctor p
in.6)
Powe
r Outpu
t Bredb
lox
- Out
put t
erm
inals
for G
ND, –
12, +
12, a
nd +
5.7)
Outp
ut te
rmina
ls fo
r 1k a
nd 1
00k u
nded
icate
d po
tent
iomet
ers.
8)1kW
unde
dicat
ed p
oten
tiom
eter
.9)
100kW
unde
dicat
ed p
oten
tiom
eter
.
123457
89
6
-47-
INST
ALL CO
MPL
ETED
UNIT INTO
CAS
Er
Plac
e th
e str
ain re
lief o
nto
the
line
cord
as s
hown
in F
igure
N.
rSq
ueez
e the
two s
ectio
ns to
geth
er w
ith pl
iers a
s sho
wn in
Figu
re O
. The
n, in
sert
the s
train
relie
f into
the h
ole.
rLa
y the
train
er in
side
of th
e ca
se a
s sho
wn in
Figu
re P
.r
Align
the
holes
in th
e bo
ttom
cas
e wi
th th
ose
in th
e tra
iner a
nd s
ecur
e it
into
place
with
four
#6
x 1/
2” A
Bsc
rews
and
four
#6
wash
er a
s sho
wn in
Figu
re Q
.
Figu
re P
Figu
re Q
Figu
re N
Figu
re O
#6 x
1/2”
AB
Scre
w#6
Was
her
Back
Pan
elBa
ck Pan
el
-5-
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
Start H
ere
S1 -
5-pin
conn
ecto
r(s
ee F
igure
A)
L-br
acke
t(s
ee F
igure
B)
VR4
- 100
kWpo
tVR
3 - 1
kWpo
t(s
ee F
igure
C)
S3 -
3-pin
conn
ecto
rS2
- 3-
pin co
nnec
tor
(see
Figu
re A
)L-
brac
ket
(see
Figu
re B
)C8
- 0.
1mF
myla
r (10
4)(s
ee F
igure
D)
Botto
m le
ft co
rner
of P
C bo
ard
Top
left c
orne
r of P
C bo
ard
Figu
re C
Mou
nt do
wn flu
sh w
ith P
C bo
ard.
The
value
may
be
mar
ked
on th
e on
the
back
side
of p
ot.
Cut
off
exce
ss
lead
lengt
h af
ter
solde
ring.
Figu
re B
Note
: On
e sid
e of
the
brac
ket
is lon
ger.
Mou
nt th
is sid
e to
the
PC
boar
d.
Mou
nt
the
brac
ket t
o th
e to
p leg
end
side
of th
e PC
boa
rd w
ith a
4-4
0 x
1/4”
scre
w an
d fib
er w
ashe
r.
Figu
re A
Mou
nt th
e con
necto
r as s
hown
and s
older
the p
insof
the
conn
ecto
r.
Figu
re D
Bend
the
capa
citor
at a
45O
angle
bef
ore
solde
ring.
Cut
off
exce
ss le
ads.
Cut o
ff ta
b
4-40
x 1/
4”Sc
rew
Top
legen
dsid
e of
PC b
oard
Fibe
rwa
sher
Brac
ket
PC b
oard
-46-
FINA
L AS
SEMBL
Yr
Faste
n th
e fro
nt p
anel
inpla
ce w
ith fo
ur #
6 x
3/8”
thre
ad c
uttin
g sc
rews
, as
show
n in
Figu
re I.
rFa
sten t
he P
C bo
ard t
o the
spac
er o
n th
e fro
nt p
anel
with
a fi
ber w
ashe
r and
a4-
40 x
1/4
” sc
rew
(from
Powe
r Su
pply
Secti
on)
from
the
foil s
ide o
f the
PC
boar
d,
in th
e loc
ation
show
n in
Figu
re J.
rFa
sten t
he po
ts to
the f
ront
pane
l with
an 8m
m w
ashe
ran
d a
7mm
nut
, as
show
nin
Figu
re I.
rTu
rn th
e sh
afts
on th
e tw
osw
itche
s fu
lly
coun
ter-
clock
wise
. Pus
h th
e kn
obs
onto
the
shaf
ts so
that
the
line
on th
e kn
ob is
in li
newi
th th
e “S
quar
ewav
e” o
nth
e wa
vefo
rm c
ontro
l and
“10”
on
th
e Co
arse
Freq
uenc
y co
ntro
l (s
eeFi
gure
K).
If th
e kn
obs
are
loose
on
the
shaf
ts,
inser
t a
scre
wdriv
er i
nto
the
slot
and e
xpan
d the
slot
sligh
tly(s
ee F
igure
M).
rTu
rn th
e sha
fts on
the p
ots f
ully c
ount
er-c
lockw
ise. P
ush t
he kn
obs o
nto t
he sh
afts
so th
at th
e line
on th
e kno
bis
in lin
e wi
th th
e en
d of
the
circle
on
the
front
pan
el, a
s sho
wn in
Figu
re L
.If t
he kn
obs a
re lo
ose o
n the
shaft
s, ins
ert a
scre
wdriv
er in
to the
slot
and e
xpan
d the
slot
sligh
tly (s
ee F
igure
M).
Knob
sNu
t 7m
m
Nuts
7mm
Was
hers
8m
m
Was
her 8
mm
#6 x
3/8”
Thr
ead
cuttin
g sc
rews
#6 x
3/8”
Thr
ead
cuttin
g sc
rews
Figu
re I
Was
hers
9m
mNu
ts 8m
m
Figu
re J
4-40
x 1/
4” S
crew
Figu
re M
1010
01k
10k 10
0k
Figu
re K
WAV
E FO
RM C
OARS
E FR
EQ
Figu
re L
Fibe
r was
her
Figu
re G
Diod
es h
ave
polar
ity.
Mou
nt th
emwi
th th
e ba
nd a
s sh
own
on th
e to
pleg
end.
-6-
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
R1 -
120W
5% 1
/4W
resis
tor
(bro
wn-re
d-br
own-
gold)
J28
- Jum
per w
ire(s
ee F
igure
F)
J6 -
Jum
per w
ire(s
ee F
igure
F)
D12
- 1N4
001
diode
D11
- 1N4
001
diode
(see
Figu
re G
)C1
4 - 1
00m
F 25
V lyt
icC1
7 - 1
00m
F 25
V lyt
ic(s
ee F
igure
E)
R2 -
120W
5% 1
/4W
resis
tor
(bro
wn-re
d-br
own-
gold)
J2 -
Jum
per w
ire(s
ee F
igure
F)
J3 -
Jum
per w
ire(s
ee F
igure
F)
Figu
re F
Cut a
piec
e of
the
#22
bare
wire
long
enou
gh s
o th
at 1
/4”
of w
irepa
sses
thro
ugh e
ach h
ole in
the P
Cbo
ard
afte
r the
wire
is fo
rmed
.
Band
Botto
m le
ft co
rner
of P
C bo
ard
Figu
re E
Thes
e cap
acito
rs ar
e pola
rized
. Be
sure
to m
ount
them
with
the “
+” le
adin
the c
orre
ct ho
le as
mar
ked o
n the
PC bo
ard.
Mou
nt th
e cap
acito
r lying
flat
on t
he P
C bo
ard
as s
hown
below
.
Warning
:If
the
capa
citor
is c
onne
cted
with
incor
rect
polar
ity, it
may
hea
t up
and
eithe
r lea
kor
caus
e th
e ca
pacit
or to
exp
lode.
(+)
(–)
Start H
ere
TEST
ING TH
E LO
GIC INDICA
TOR FU
NCTION
Ther
e ar
e eig
ht lo
gic in
dicat
ors
which
you
will
bech
eckin
g ou
t. Pu
t a w
ire to
the
5V p
ower
supp
ly an
dto
uch
the
“A” l
ogic
indica
tor t
est p
in. T
he “A
” LED
shou
ld lig
ht up
. Rem
ove t
he w
ire an
d the
LED
shou
ldgo
out
. Do
the
sam
e fo
r the
B, C
, D, E
, F, G
and
Hpin
s.
TEST
ING TH
E LO
GIC SW
ITCH
ESTh
ere
are
two
logic
switc
hes
and
four
con
dition
s to
be ch
ecke
d ou
t. Co
nnec
t a w
ire fr
om th
e “X
” tes
t pin
to th
e “A”
logic
indic
ator
test
pin. C
onne
ct an
othe
r wire
to th
e “X
” tes
t pin
to th
e “B
” tes
t pin.
Apply
pow
er a
nd n
ote
that
the
“A”
LED
indica
tor
shou
ld be
lit w
hen t
he lo
gic sw
itch i
s in t
he “X
” pos
ition
and t
he “B
” LED
shou
ld lig
ht an
d the
“A” L
ED no
t ligh
t.Ch
eck t
he “Y
” log
ic sw
itch
in th
e sa
me
man
ner.
TEST
ING TH
E DA
TA SWITCH
ESTh
ere
are
eight
dat
a sw
itche
s to
be
chec
ked.
The
outp
ut of
the s
witch
es ar
e 5V
or gr
ound
depe
nding
onth
e po
sition
. Con
nect
a wi
re to
the
SW1
test
pin a
ndth
e “A
” tes
t pin.
The
“A” L
ED sh
ould
light
whe
n th
esw
itch
is pla
ced
towa
rd th
e to
p of
the
case
. Rep
eat
the
sam
e te
st on
SW
2, S
W3,
SW
4, S
W5,
SW
6, S
W7
and
SW8.
rUn
plug
the un
it fro
m th
e AC ou
tlet.
-45-
TEST
ING TH
E DIGITA
L SE
CTION
PROB
LEM
POSS
IBLE
CAU
SENo
+5V
on
data
switc
h te
rmina
ls.1.
Mea
sure
for a
DC
volta
ge o
f +5V
acr
oss R
15.
A. C
heck
R15
, J19
, J23
and
J13.
B. S
witch
shor
ted
to g
roun
d.LE
D do
esn’t
light
1. C
heck
that
the
LED
is in
corre
ctly.
2. C
heck
the
input
and
out
put r
esist
ors.
3. M
easu
re in
put f
or +
5V a
nd o
utpu
t at g
roun
d.A.
Sho
rt to
gro
und
or d
efec
tive
IC.
LED
alway
s on
1. M
easu
re fo
r zer
o vo
ltage
volta
ge a
t inpu
t pin.
A. P
in sh
orte
d or
def
ectiv
e IC
2. M
easu
re vo
ltage
to o
utpu
t pin
for +
5V.
A. P
in sh
orte
d or
def
ectiv
e IC
.Lo
gic sw
itch
term
inal a
lway
s high
1. C
heck
that
inpu
t res
istor
is g
roun
ded.
A. B
ad g
roun
d co
nnec
tion
or sw
itch.
2. M
easu
re fo
r +5V
on
R16
- R19
.A.
Che
ck re
sisto
r.3.
Def
ectiv
e IC
.
DIGITA
L TR
OUBL
ESHO
OTING CH
ART
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
VR1
- 2kW
pot
VR2
- 2kW
pot
(see
Figu
re H
)B1
- 4-
pin b
redb
loxB2
- 4-
pin b
redb
loxB3
- 4-
pin b
redb
loxB4
- 4-
pin b
redb
lox(s
ee F
igure
I)C1
2 - 1
00m
F 25
V lyt
ic(s
ee F
igure
E)
J26
- Jum
per w
ireJ7
- Ju
mpe
r wire
(see
Figu
re F
)
D15
- 1N4
001
diode
D14
- 1N4
001
diode
D13
- 1N4
001
diode
(see
Figu
re G
)C1
5 - 1
00m
F 25
V lyt
icC1
6 - 1
00m
F 25
V lyt
ic(s
ee F
igure
E)
J4 -
Jum
per w
ireJ1
- Ju
mpe
r wire
(see
Figu
re F
)R5
0 - 1
.2kW
1/2W
resis
tor
R51
- 1.2
kW1/
2W re
sisto
r(re
d-re
d-re
d-go
ld)(s
ee F
igure
H)
Botto
m le
ft co
rner
of P
C bo
ard
-7-
Figu
re I
Hold
the b
read
block
down
flush
to th
e PC
boa
rd fr
om th
e to
pleg
end
side
and
solde
r th
em
etal
pins i
n pla
ce. T
hen,
melt
the
plasti
c pin
s wi
th
your
solde
ring i
ron t
o hold
the p
lastic
block
s in
place
, as s
hown
.
Start H
ere
Plas
tic p
ins
Melt
pins
Figu
re H
1.VR
1 and
VR2
- Be
fore
insta
lling t
he po
tint
o the
PC
boar
d, be
nd th
e cen
ter le
adov
er to
the r
ight le
ad an
d sold
er. C
ut of
fth
e ex
cess
lead
s.
2.In
stall t
he po
ts flu
sh w
ith th
e PC
boar
d.Th
e va
lue m
ay b
e m
arke
d on
the
back
of t
he p
ot.
Cut
off
the
exce
ss le
adlen
gth
afte
r sold
ering
.
3.Pl
ace
the
3/4”
tubin
g ov
er o
ne le
ad o
fth
e 1.
2kW
5% 1
/2W
(red
-red-
red-
gold)
resis
tor.
Posti
on th
e re
sisto
r as s
hown
.So
lder t
he re
sisto
r fro
m th
e bot
tom
hole
of C
10 t
o th
e rig
ht le
ad o
f VR
1 as
show
n.So
lder a
1.2
kW5%
1/2
W (r
ed-re
d-re
d-go
ld) re
sisto
r fro
m ju
mpe
r J1 t
o the
right
lead
of V
R2 a
s sho
wn.
Caution:
Mak
e su
rere
sisto
r lea
d do
es n
otsh
ort t
o jum
per w
ire.
VR1
VR2
Cut o
ff ta
b
R50R5
1
J1
Solde
r
-44-
VOLTAG
E AN
ALYS
IS OF DIGITA
L SE
CTION
Plug
the
powe
r sup
ply in
to a
117
volt p
ower
sour
ce. T
he value
s give
n be
low are ap
prox
imate.
From
ToSw
itch Po
sitio
nVo
ltsVo
lts Mea
sured
XGN
DIn
up
posit
ion5V
XGN
DIn
up
posit
ionles
s tha
n 1V
YGN
DIn
up
posit
ion5V
YGN
DIn
up
posit
ionles
s tha
n 1V
SW1
GND
In u
p po
sition
5VSW
2GN
DIn
up
posit
ion5V
SW3
GND
In u
p po
sition
5VSW
4GN
DIn
up
posit
ion5V
SW5
GND
In u
p po
sition
5VSW
6GN
DIn
up
posit
ion5V
SW7
GND
In u
p po
sition
5VSW
8GN
DIn
up
posit
ion5V
XGN
DIn
dow
n po
sition
less t
han
1VX
GND
In d
own
posit
ion5V
YGN
DIn
dow
n po
sition
less t
han
1VY
GND
In d
own
posit
ion5V
SW1
GND
In d
own
posit
ionles
s tha
n 1V
SW2
GND
In d
own
posit
ionles
s tha
n 1V
SW3
GND
In d
own
posit
ionles
s tha
n 1V
SW4
GND
In d
own
posit
ionles
s tha
n 1V
SW5
GND
In d
own
posit
ionles
s tha
n 1V
SW6
GND
In d
own
posit
ionles
s tha
n 1V
SW7
GND
In d
own
posit
ionles
s tha
n 1V
SW8
GND
In d
own
posit
ionles
s tha
n 1V
High
Pos
ition
s
SW1-
8X
XY
Y
LOGIC SW
DATA
SWITCH
ES
XX
YY
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
Figu
re K
Diod
es ha
ve po
larity
. Mou
nt th
emwi
th th
e ban
d as s
hown
on th
e top
legen
d.
Figu
re J
Thes
e lyt
ics m
ust
be m
ount
edho
rizon
tal t
o th
e PC
boa
rd.
Bend
the
leads
at r
ight a
ngles
and
then
inser
t the
lead
s int
o th
e PC
boa
rdwi
th th
e ne
gativ
e (–
) lea
d an
d th
epo
sitive
(+)
lea
d in
the
corre
ctho
les a
s mar
ked
on th
e PC
boa
rd.
Warning
:If
the
capa
citor
is
conn
ecte
d with
inco
rrect
polar
ity, it
may
hea
t up
and
eithe
r lea
k or
caus
e th
e ca
pacit
or to
exp
lode.
-8-
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
C2 -
1,00
0mF
35V
lytic
C4 -
1,00
0mF
35V
lytic
C1 -
1,00
0mF
35V
lytic
C5 -
1,00
0mF
35V
lytic
(see
Figu
re J)
Continue
L-br
acke
t(s
ee F
igure
B)
C7 -
.1m
F m
ylar (
104)
(see
Figu
re D
)J5
- Ju
mpe
r wire
*(s
ee F
igure
F)
C9 -
.1m
F (1
04) m
ylar
(see
Figu
re D
)L-
brac
ket
(see
Figu
re B
)
D1 -
1N40
01 d
iode
D2 -
1N40
01 d
iode
D3 -
1N40
01 d
iode
D4 -
1N40
01 d
iode
D5 -
1N40
01 d
iode
D6 -
1N40
01 d
iode
D7 -
1N40
01 d
iode
D8 -
1N40
01 d
iode
D9 -
1N40
01 d
iode
D10
- 1N4
001
diode
(see
Figu
re K
)
Botto
m ri
ght c
orne
r of P
C bo
ard
C3 -
2200
mF
lytic
Mou
nt o
n fo
il side
of P
C bo
ard
Note th
e po
larity
(see
Figu
re J)
Top
right
corn
er o
f PC
boar
d
* Lef
tove
r wire
will
be u
sed
in fu
ture
secti
ons.
Band
+ –
Start H
ere
Continue
Start H
ere
You
need
to in
stall
four
diod
es o
n th
e so
lder s
ide o
fth
e PC
boa
rd fo
r VR1
and
VR2
.
VR1 & VR
21.
Conn
ect th
e ano
de si
de of
one d
iode t
o the
cath
ode
side
of a
noth
er b
y tw
isting
the
leads
toge
ther
as
show
n in
Figu
re L
.2.
Cut t
he u
ntwi
sted
lead
to 1
/4” l
engt
h (s
ee F
igure
L).
3.Ta
ck s
older
the
diode
s ac
ross
the
left l
ead
and
the
cent
er h
ole o
f VR1
& V
R2 a
s sh
own
in Fi
gure
M.
Mak
e su
re th
e dio
des
are
facin
g in
the
corre
ctpo
sition
.4.
Solde
r the
twist
ed le
ads a
nd th
en cu
t off t
he ex
cess
leads
.
Figu
re L
VR2
Note diode
polarity.
VR1
Note diode
polarity.
Figu
re M
VR1
VR2
-43-
RESIST
ANCE
ANA
LYSIS OF
DIGITA
L SE
CTION
Plac
e th
e to
p pa
nel o
nto
the
unit.
Sta
tic te
sting
of t
he d
igita
l sec
tion
circu
its. D
o no
t plug
the
powe
r sup
ply in
toa 1
17 vo
lt pow
er so
urce
until
all of
the r
esist
ance
read
ings c
heck
out. T
he va
lues given
below
are a
pproximate.
From
ToSw
itch Po
sitio
nOh
ms
Resistan
ce Mea
sured
SW1
GND
In d
own
posit
ionles
s tha
n 1W
SW2
GND
In d
own
posit
ionles
s tha
n 1W
SW3
GND
In d
own
posit
ionles
s tha
n 1W
SW4
GND
In d
own
posit
ionles
s tha
n 1W
SW5
GND
In d
own
posit
ionles
s tha
n 1W
SW6
GND
In d
own
posit
ionles
s tha
n 1W
SW7
GND
In d
own
posit
ionles
s tha
n 1W
SW8
GND
In d
own
posit
ionles
s tha
n 1W
SW1
GND
In u
p po
sition
grea
ter t
han
3kW
SW2
GND
In u
p po
sition
grea
ter t
han
3kW
SW3
GND
In u
p po
sition
grea
ter t
han
3kW
SW4
GND
In u
p po
sition
grea
ter t
han
3kW
SW5
GND
In u
p po
sition
grea
ter t
han
3kW
SW6
GND
In u
p po
sition
grea
ter t
han
3kW
SW7
GND
In u
p po
sition
grea
ter t
han
3kW
SW8
GND
In u
p po
sition
grea
ter t
han
3kW
SW1
+5V
In u
p po
sition
less t
han
300W
SW2
+5V
In u
p po
sition
less t
han
300W
SW3
+5V
In u
p po
sition
less t
han
300W
SW4
+5V
In u
p po
sition
less t
han
300W
SW5
+5V
In u
p po
sition
less t
han
300W
SW6
+5V
In u
p po
sition
less t
han
300W
SW7
+5V
In u
p po
sition
less t
han
300W
SW8
+5V
In u
p po
sition
less t
han
300W
LOGIC SW
DATA
SWITCH
ES
XX
YY
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
-9-
MOU
NTING TH
E PC
BOA
RDNo
te:
The
holes
in th
e tw
o sid
e pa
nels
have
bee
n pu
nche
d dif
fere
ntly.
Be
sure
that
you
hav
e th
e co
rrect
side
pane
l whe
n m
ount
ing th
em to
the
PC b
oard
.IMPO
RTAN
T: Pus
h the P
C bo
ard up
as fa
r as p
ossib
le be
fore tigh
tening
the s
crew
s, as
show
n in Figure O
.r
Mou
nt th
e PC
boa
rd to
the
side
pane
ls wi
th fo
ur 4
-40
x 1/4
” scr
ews (
see
Figu
re N
). Do
not
tight
en th
e sc
rews
.
rPl
ace t
he to
p pan
el on
to th
e unit
and a
lign t
he co
mpo
nent
s with
the h
oles i
n the
top p
anel.
Pus
h the
PC
boar
dup
unt
il the
com
pone
nts c
ome
thro
ugh
the
top
pane
l and
tight
en th
e sc
rews
.
Figu
re O
Figu
re N
4-40
x 1/
4” sc
rews
Top
legen
d sid
e of
PC
boar
d
Note:F
rom
the f
oil si
de of
the P
C bo
ard,
inspe
ct th
e ed
ges
to b
e su
re th
at th
ere
are
no co
mpo
nent
lead
s sho
rting
aga
inst
the
side
pane
ls.
Adjus
t the
PC
boar
dhe
ight w
ith a
4-4
0 x
1/4”
scre
w4-
40 x
1/4”
scre
ws
Figu
re F
Mou
nt th
e sw
itch
onto
the
legen
d sid
eof
the
PC b
oard
as
show
n. F
lip th
ebo
ard
over
and
sold
er th
e pa
rt int
opla
ce.
Be s
ure
to k
eep
the
thre
eso
ldere
d se
ts of
lead
s se
para
te a
ssh
own.
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
INST
ALL CO
MPO
NENT
S TO
FRO
NT PAN
ELr
Inte
rlock
the
brea
dboa
rd to
the
botto
m e
dge
of th
e ex
isting
bre
adbo
ard
on th
e to
p pa
nel a
s sho
wn in
Figu
re H
.Fa
sten
the
brea
dboa
rds i
n pla
ce w
ith tw
o #4
x 1/
4” A
B bla
ck sc
rews
from
the
back
side
of t
he p
anel.
Use
the
holes
on
the
9426
bre
adbo
ard
as s
hown
in F
igure
G. C
AUTION
:Do
not
rem
ove
the
pape
r bac
king
from
the
brea
dboa
rd.
Use
thes
e ho
les
Figu
re G
Figu
re H
-42-
SW4
- Slid
e sw
itch
SW7
- Slid
e sw
itch
SW10
- Sl
ide sw
itch
SW5
- Slid
e sw
itch
SW8
- Slid
e sw
itch
SW11
- Sl
ide sw
itch
SW6
- Slid
e sw
itch
SW9
- Slid
e sw
itch
SW12
- Sl
ide sw
itch
(see
Figu
re F
)SW
13 -
Slide
switc
hStart H
ere
B7 -
4-pin
Bre
dblox
B11
- 4-p
in Br
edblo
xB1
5 - 4
-pin
Bred
blox
B8 -
4-pin
Bre
dblox
B12
- 4-p
in Br
edblo
xB1
6 - 4
-pin
Bred
blox
B9 -
4-pin
Bre
dblox
B13
- 4-p
in Br
edblo
xB1
7 - 4
-pin
Bred
blox
B10
- 4-p
in Br
edblo
xB1
4 - 4
-pin
Bred
blox
B18
- 4-p
in Br
edblo
x(s
ee F
igure
E)
Continue
Figu
re E
Hold
the
bred
blox
down
flus
h to
the
PCbo
ard f
rom
the t
op le
gend
side
and s
older
the
met
al pin
s int
o pla
ce. T
hen,
melt
the
plasti
c pins
with
your
solde
ring i
ron t
o hold
the
plasti
c bloc
ks in
plac
e as
show
n.
Note:
The
9418
and
the
powe
r stri
p 94
08 m
ake
up th
e 94
26 b
read
boar
d.
Switc
hLe
gend
side
of P
C bo
ard
Foil
side
ofPC
boa
rd Solde
r 9830
9426
Top
pane
l
Brea
dboa
rds
#4 x
1/4”
Scr
ews
Plas
tic P
ins
Melt
Pins
MOU
NT COM
PONE
NTS TO
THE
SIDE PA
NELS
Mou
nt U
1, U
3 an
d U5
to th
e lef
t side
pan
el as
show
n in
Figu
re Q
. Ins
ert t
he p
ins o
f eac
h IC
into
the
holes
of t
hePC
boa
rd. T
hen,
with
the
hard
ware
sho
wn in
Figu
re P
, atta
ch e
ach
IC to
the
side
pane
l. So
lder t
he p
ins o
f the
ICs t
o th
e PC
boa
rd.
rU3
- LM
7805
rU1
- LM
317
rU5
- LM
337
-10-
6-23
Nut
IC
* Silic
one
grea
se
Side
pan
elIn
sulat
or w
ashe
r
6-32
x 5/
16” S
crew
* Tak
e a
small
am
ount
of s
ilicon
e gr
ease
from
the
pack
et a
nd a
pply
it with
a to
othp
ick o
nto
the
back
of
the
ICs.
Figu
re P
Mica
Figu
re Q
U3 7805
U1 LM31
7
U5 LM33
7
Left Side
-41-
Continue
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
Start H
ere
U9 -
IC so
cket
14-
pinU9
- 74
HC04
IC(s
ee F
igure
D)
Continue
D25
- LED
and
Spa
cer
(see
Figu
re B
)J2
7 - J
umpe
r Wire
(see
Figu
re C
)D2
4 - L
ED a
nd S
pace
r(s
ee F
igure
B)
D23
- LED
and
Spa
cer
(see
Figu
re B
)D2
2 - L
ED a
nd S
pace
r(s
ee F
igure
B)
D21
- LED
and
Spa
cer
(see
Figu
re B
)D2
0 - L
ED a
nd S
pace
r(s
ee F
igure
B)
D19
- LED
and
Spa
cer
(see
Figu
re B
)D1
8 - L
ED a
nd S
pace
r(s
ee F
igure
B)
R19
- 1kW
5% 1
/4W
Res
istor
(bro
wn-b
lack-
red-
gold)
R16
- 1kW
5% 1
/4W
Res
istor
(bro
wn-b
lack-
red-
gold)
R17
- 1kW
5% 1
/4W
Res
istor
(bro
wn-b
lack-
red-
gold)
U8 -
14-p
in IC
sock
etU8
- 74
HC04
IC(s
ee F
igure
D)
J19
- Jum
per W
ire(s
ee F
igure
C)
R15
- 220
W5%
1/4
WRe
sisto
r(re
d-re
d-br
own-
gold)
J22
- Jum
per W
ire(s
ee F
igure
C)
J21
- Jum
per W
ire(s
ee F
igure
C)
J20
- Jum
per W
ire(s
ee F
igure
C)
R18
- 1kW
5% 1
/4W
Res
istor
(bro
wn-b
lack-
red-
gold)
U7 -
IC so
cket
14-
pinU7
- 74
03 IC
(see
Figu
re D
)J2
4 - J
umpe
r Wire
(see
Figu
re C
)
Figu
re C
Cut a
piec
e of
bar
e wi
re lo
ngen
ough
so
that
1/4
” of
wire
pass
es th
roug
h ea
ch h
ole in
the
PC b
oard
afte
r the
wire
isfo
rmed
(p
rovid
ed
in th
ese
cond
pac
kage
).
Figu
re B
Mou
nt sp
acer
and
LED
flush
to th
e PC
boa
rd,
with
the
flat
side
of
the
LED
in th
e sa
me
direc
tion a
s the
mar
king o
n the
top l
egen
d side
of th
e PC
boa
rd.
Flat
Spac
er
Figu
re D
Inse
rt th
e IC
soc
ket i
nto
the
PCbo
ard
with
th
e no
tch
in th
edir
ectio
n sh
own
on th
e to
p leg
end.
Solde
r th
e IC
soc
ket i
nto
place
.In
sert
the
IC in
to th
e so
cket
with
the
notch
in th
e sa
me
direc
tion
asth
e no
tch o
n th
e so
cket
.
IC so
cket
IC
Notch
Top
legen
d sid
e of
PC
boar
d
Flat
Top
legen
d sid
e of
PC
boar
d
Jum
per w
ire
-11-
WIRE TH
E TR
ANSF
ORMER
TO TH
E PC
BOA
RDSo
lder t
he w
ires t
o th
e PC
boa
rd st
artin
g wi
th th
e to
p ye
llow
wire
as s
hown
in F
igure
U.
rYe
llow
wire
to p
oint F
on
the
PC b
oard
rBl
ue w
ire to
poin
t A o
n th
e PC
boa
rdr
Red
wire
to p
oint C
on
the
PC b
oard
rW
hite
wire
to p
oint E
on
the
PC b
oard
rRe
d wi
re to
poin
t D o
n th
e PC
boa
rdr
Blue
wire
to p
oint B
on
the
PC b
oard
rYe
llow
wire
to p
oint G
on
the
PC b
oard
Mou
nt U
2 an
d U4
to th
e rig
ht si
de p
anel
as sh
own
in Fi
gure
S.
Inse
rt th
e pins
of ea
ch IC
into
the h
oles i
n the
PC
boar
d. T
hen,
with
the h
ardw
are s
hown
in F
igure
R, a
ttach
each
IC to
the s
idepa
nel.
Solde
r the
pins
of t
he IC
s to
the
PC b
oard
.r
U4 -
LM79
12r
U2 -
LM78
12M
ount
the t
rans
form
er w
ith th
e blac
k wire
s as s
hown
in F
igure
S.
Use
the
two
8-32
x 3/
8” sc
rews
, #8
lockw
ashe
rs, a
nd 8
-32
nuts.
rTr
ansfo
rmer
mou
nted
Righ
t Side
Figu
re S
Note:
Mak
e su
re th
atth
e tra
nsfo
rmer
doe
sno
t tou
ch U
4.
#8 L
ockw
ashe
rs
#8-3
2 x 3
/8” S
crew
s
8-32
Nut
s
Tran
sform
er
Blac
k wire
s
U4 7912
U2 7812
Yello
w (F
)Bl
ue (A
)Re
d (C
)W
hite
(E)
Red
(D)
Blue
(B)
Yello
w (G
)
Figu
re U
Yello
w (G
)
Blue
(B)
Blue
(A)
Red
(D)
Whit
e (E
)
Yello
w (F
)
Red
(C)
6-23
Nut
IC
* Silic
one
Grea
se
Side
Pan
elIn
sulat
or W
ashe
r
6-32
x 5/
16” S
crew
* Tak
e a sm
all am
ount
of si
licon
e gre
ase f
rom
the p
acke
t and
apply
it wi
th a
toot
hpick
ont
o th
e ba
ck o
f the
ICs.
Mica
Figu
re R
Figu
re A
Mou
nt th
e con
necto
r as s
hown
and s
older
the p
insof
the
conn
ecto
r.
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
R43
- 120
W5%
1/4
W R
esist
or(b
rown
-red-
brow
n-go
ld)R4
2 - 1
20W
5% 1
/4W
Res
istor
(bro
wn-re
d-br
own-
gold)
S5 -
4-pin
conn
ecto
r(s
ee F
igure
A)
R41
- 120
W5%
1/4
W R
esist
or(b
rown
-red-
brow
n-go
ld)R4
0 - 1
20W
5% 1
/4W
Res
istor
(bro
wn-re
d-br
own-
gold)
R39
- 120
W5%
1/4
W R
esist
or(b
rown
-red-
brow
n-go
ld)R3
8 - 1
20W
5% 1
/4W
Res
istor
(bro
wn-re
d-br
own-
gold)
S4 -
4-pin
conn
ecto
r(s
ee F
igure
A)
R37
- 120
W5%
1/4
W R
esist
or(b
rown
-red-
brow
n-go
ld)R3
6 - 1
20W
5% 1
/4W
Res
istor
(bro
wn-re
d-br
own-
gold)
-40-
Start H
ere
PC B
oard
HOW TO INST
ALL CO
NNEC
TORS
ONT
O TR
ANSF
ORMER
WIRES
A co
nnec
tor w
ill be
plac
ed o
nto
the
prim
ary w
ires o
f the
tran
sform
er. T
his w
ill all
ow yo
u to
rem
ove
the
top
pane
lfro
m th
e tra
iner.
Foll
ow th
e pr
oced
ures
belo
w.r
Cut a
six i
nch
lengt
h of
f of e
ach
black
prim
ary w
ire.
rSt
rip th
e ins
ulatio
n of
f of e
ach
end
of th
e six
inch
wire
s to
expo
se 1
/4” o
f bar
e wi
re.
rPl
ace
one
wire
ont
o th
e fe
male
pin
and
crim
p th
e ou
ter c
rimp
tabs
with
plie
rs o
ver t
he in
sulat
ion a
s sho
wn in
Figu
re 1
A.r
Crim
p th
e inn
er ta
bs w
ith p
liers
ont
o th
e ba
re w
ire a
s sho
wn in
Figu
re 1
B.r
Solde
r the
wire
to th
e pin
as s
hown
in F
igure
1C.
rCo
nnec
t the
oth
er fe
male
pin
to th
e ot
her w
ire u
sing
the
sam
e pr
oced
ures
abo
ve.
rIn
sert
the t
wo pi
n/wi
re as
sem
blies
into
the f
emale
hous
ing as
show
n in F
igure
2. P
ull on
the w
ire to
chec
k tha
tth
e pin
is ins
erte
d all t
he w
ay in
. It sh
ould
not p
ull ou
t of th
e hou
sing.
The
lock
ing ta
bs sh
ould
be be
nt ou
twar
dto
hold
the
pin in
the
hous
ing. Figu
re 1
Figu
re 2
Tran
sformer W
ires
rSt
rip th
e ins
ulatio
n of
f of e
ach
of th
e bla
ck p
rimar
y wire
s to
expo
se 1
/4” o
f bar
e wi
re.
rPl
ace
the
wire
ont
o th
e m
ale p
in an
d cr
imp
the
oute
r crim
p ta
bs w
ith p
liers
ove
r the
insu
lation
as
show
n in
Figu
re 3
A.r
Crim
p th
e inn
er ta
bs w
ith p
liers
ont
o th
e ba
re w
ire a
s sho
wn in
Figu
re 3
B.r
Solde
r the
wire
to th
e pin
as s
hown
in F
igure
3C.
rCo
nnec
t the
oth
er m
ale p
in to
the
othe
r prim
ary w
ire u
sing
the
sam
e pr
oced
ures
abo
ve.
rIn
sert
the
two
pin/w
ire a
ssem
blies
into
the
male
hou
sing
as sh
own
in Fi
gure
4. P
ull o
n th
e wi
re to
chec
k tha
tth
e pin
is in
serte
d all
the
way i
n. It
shou
ld no
t pull
out
of t
he h
ousin
g.r
Conn
ect t
he m
ale a
nd fe
male
hou
sing
as sh
own
in Fi
gure
5. N
ote
that
the
conn
ecto
r only
fits t
oget
her o
ne w
ay.
rTo
det
ach
the
conn
ecto
r, pu
sh d
own
on th
e en
d of
the
lock a
rm a
nd p
ull th
e tw
o ap
art.
Figu
re 3
Figu
re 4
Lock
ing Ta
b
Male Pin
Solde
rOu
ter
Crim
p Ta
bIn
ner
Crim
p Ta
b
Figu
re 5
-12-
Female Pin
Female Ho
using
AB
Lock
ing Ta
b
Solde
rOu
ter
Crim
p Ta
bIn
ner
Crim
p Ta
b
C
AB
C
Male Ho
using
Lock
Arm
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
Start H
ere
R34
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R35
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R33
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R32
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R28
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R27
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R30
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R31
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R29
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R26
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R20
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R22
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R24
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R21
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R23
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
R25
- 100
kW5%
1/4
W R
esist
or(b
rown
-blac
k-ye
llow-
gold)
-39-
MOU
NT COM
PONE
NTS TO
PAN
ELr
Push
the
illum
inate
d sw
itch
into
the
hole
in th
e to
ppa
nel w
ith th
e lug
s as s
hown
in F
igure
V.
rIn
stall t
he fu
se h
older
with
the
side
lug in
the
posit
ionsh
own
in Fi
gure
V. F
aste
n th
e fu
se h
older
in p
lace
with
the
nut a
s sh
own
in Fi
gure
V. U
nscr
ew th
e ca
p an
dins
ert t
he fu
se in
to th
e ho
lder.
rTh
ere i
s a ra
ised a
rea o
n the
back
side
of th
e top
pane
l.Sc
rew
the s
pace
r to t
he ra
ised a
rea b
y ins
ertin
g a 4-
40x
1/4”
flat
hea
d sc
rew
into
the
hole
in th
e ra
ised
area
from
the
top
side
of th
e pa
nel (
see
Figu
re W
).r
Whe
n m
ount
ing th
e br
eadb
oard
, use
the
holes
sho
wnin
Figu
re X
. Mou
nt th
e br
eadb
oard
with
two
#4 x
1/4
”AB
blac
k scr
ews f
rom
the
back
side
of t
he to
p pa
nel a
ssh
own
in Fi
gure
W. T
he n
egat
ive (b
lue) s
tripe
sho
uldbe
on
top
and
the
num
bers
read
ing fr
om le
ft to
righ
tsh
ould
start
with
num
ber 1
(see
Figu
re Y
). CA
UTION:
Do not re
mov
e the pa
per b
acking
from
the ba
ck of
the
brea
dboa
rds.
Do n
ot o
ver-t
ighte
n th
e bla
cksc
rews
.
Figu
re X
-13-
Spac
er
4-40
x 1/
4”Fl
at h
ead
scre
w
Top
pane
l
Brea
dboa
rd
#4 x
1/4”
AB
scre
ws
Figu
re W
ae bcdfj ghi1
5
10
Figu
re Y
Back
Side - L
ower
Righ
t Corne
r
Figu
re V
Side
lug
Illum
inate
d sw
itch
Top
pane
l
Plas
tic w
ashe
r
Fuse
hold
er
Nut
-38-
USER
S DE
SCRIPT
ION OF
FRO
NT PAN
EL
1.Ou
tput Te
rminals
- For
all f
uncti
ons a
s sta
ted.
4 p
ins p
er b
lock.
2.Tw
o Lo
gic Sw
itche
s- T
hese
are
no
boun
ce lo
gic sw
itche
s. Gi
ve o
ne si
gnal
state
chan
ge p
er m
ovem
ent o
fsw
itch.
3.Inpu
t Terminals for L
ogic In
dica
tor L
EDs
- “A”
inpu
t cor
resp
onds
with
“A” l
amp,
etc.
4.Lo
gic Indictators
- Eigh
t LED
s.5.
Eigh
t Data Sw
itche
s- L
ets o
utpu
t of 5
V or
0V
depe
nding
on
posit
ion.
6.Ou
tput Te
rminal
- For
all f
uncti
ons a
s sta
ted.
4 p
ins p
er b
lock.
7.Brea
dboa
rd- O
ne b
read
boar
d co
ntain
ing 7
30 tie
poin
ts.
12
3 4 5 6 7
XK-700
DIGITA
L KIT (DG-70
0-D) PAR
TS LIST
RESIST
ORS
Qty.
Symbo
lVa
lue
Color C
ode
Part #
r8
R36
- R43
120W
5% 1
/4W
brow
n-re
d-br
own-
gold
1312
00r
1R1
522
0W5%
1/4
Wre
d-re
d-br
own-
gold
1322
00r
4R1
6 - R
191kW
5% 1
/4W
brow
n-bla
ck-re
d-go
ld14
1000
r16
R20
- R35
100kW
5% 1
/4W
brow
n-bla
ck-y
ellow
-gold
1610
00
SEMICON
DUCT
ORS
Qty.
Symbo
lVa
lue
Desc
riptio
nPa
rt #
r1
U7SN
7403
Inte
grat
ed ci
rcuit
(IC)
3374
03r
8D1
8 - D
25Lig
ht e
mitti
ng d
iode
(LED
), re
d35
0002
r2
U8, U
974
HC04
Inte
grat
ed ci
rcuit
(IC)
39HC
04
MISCE
LLAN
EOUS
Qty.
Symbo
lDe
scrip
tion
Part #
r10
SW4
- SW
13Sl
ide sw
itch
SPDT
5410
09r
2S4
, S5
Conn
ecto
r 4-p
in59
1042
r8
Spac
er 1
/4” #
862
4124
r2
Scre
w64
2430
r3
U7 -
U9So
cket
IC 1
4-Pi
n66
4014
r12
B7 -
B18
Brea
dboa
rd66
5204
r1
Bred
blox
9942
6
INTR
ODUC
TION
The
Digit
al Se
ction
is th
e fo
urth
pac
kage
of t
he X
K-70
0K k
it th
at y
ou a
re b
uildin
g. T
he D
igita
l Sec
tion
of y
our
traine
r con
tains
all o
f the
nec
essa
ry fu
nctio
ns to
do
your
digi
tal d
esign
s. Th
ey co
nsist
of a
cloc
k gen
erat
or, t
wono
bou
nce
logic
switc
hes,
8 LE
D ind
icato
r lam
ps a
nd 8
dat
a sw
itche
s. W
e ha
ve a
lso a
dded
a 7
30 ti
e po
intBr
eadb
lox to
your
alre
ady e
xistin
g 83
0 tie
poin
ts, g
iving
you
a to
tal o
f 156
0 tie
poin
ts to
han
dle co
mple
x circ
uitde
signs
.
SPEC
IFICAT
IONS
• Dat
a sw
itche
s, eig
ht D
PDT,
Hi 5
V, lo
w 0V
.• L
ogic
switc
hes,
two
no b
ounc
e wi
th co
mple
men
tary
out
put.
“On”
volta
ge le
vel 2
.8V
min.
, “Of
f” vo
ltage
leve
l 1V
max
.In
put im
peda
nce
100kW.
• Eigh
t LED
read
outs,
100
kWinp
ut im
peda
nce.
• Cloc
k fre
quen
cy, 1
Hz to
100
kHz i
n 5
steps
cont
inuou
sly va
riable
.• C
lock a
mpli
tude
, 5Vp
p sq
uare
wave
.• C
lock r
ise tim
e, b
ette
r tha
n 10
0 ns
ec.
• Bre
adbo
ard
730
tie p
oints.
DG-700
-D
-37-
WIRE SW
ITCH
AND
FUS
E HO
LDER
(see
Figure Z)
Line
Cord
rSl
ide th
e lin
e co
rd th
roug
h th
e fra
me
as sh
own.
rSp
read
the
thre
e lin
e co
rd w
ires a
part
6” fr
om th
e en
d.r
Mou
nt th
e so
lder l
ug to
the
side
pane
l usin
g a
6-32
x 5/
16” s
crew
and
6-3
2 nu
t.Fu
ser
Strip
the
insula
tion
off o
f bot
h en
ds o
f the
6” r
ed w
ire to
exp
ose
1/4”
of b
are
wire
. Pas
s th
e wi
re th
roug
h th
e1/
2” d
iamet
er sh
rink t
ubing
. Atta
ch o
ne e
nd to
the
side
lug o
n th
e fu
se h
older
and
then
solde
r int
o pla
ce.
rPa
ss th
e sm
ooth
edge
d line
cord
wire
thro
ugh t
he 1/
2” di
amet
er sh
rink t
ubing
and a
ttach
to th
e end
lug o
n the
fuse
hold
er, s
older
into
plac
e.r
Slide
the
shrin
k tub
ing o
ver t
he fu
se h
older
cove
ring
both
lugs
. Shr
ink th
e tu
bing
for a
snug
fit.
You
may
use
a hair
drye
r, hea
t gun
(at lo
west
settin
g or y
ou w
ill m
elt th
e tub
ing) o
r the
heat
emitti
ng fr
om yo
ur so
lderin
g iro
n(d
o no
t tou
ch th
e tu
bing
or th
e wi
res w
ith th
e iro
n).
Switc
hDi
scon
nect
the
conn
ecto
r for
the
trans
form
er.
rPa
ss th
e 6”
stri
p of
red
wire
(lea
ding
from
the
side
lug o
f the
fuse
hold
er),
the
(A) a
nd (B
) blac
k tra
nsfo
rmer
wire
, and
the
ribbe
d lin
e co
rd w
ire th
roug
h th
e 3/
4” d
iamet
er p
iece
of sh
rink t
ubing
.r
Cut t
he 2
” sec
tion
of 3
/16”
dia
met
er sh
rink t
ubin
g in
hal
f to
crea
te tw
o 1”
sect
ions
. Slid
e a
3/16
” dia
met
erpi
ece
of s
hrin
k tu
bing
ove
r the
loos
e en
d of
the
red
wire
. Atta
ch th
e re
d wi
re to
lug
1 on
the
switc
h an
dth
en s
olde
r int
o pl
ace.
rPa
ss th
e bla
ck tr
ansfo
rmer
wire
labe
led (B
) thr
ough
a 3
/16”
diam
eter
piec
e of
shr
ink tu
bing.
Atta
ch th
e wi
reto
lug
2 on
the
switc
h an
d th
en so
lder i
nto
place
.r
Slide
the
shrin
k tub
ing o
ver l
ug 1
and
lug
2 on
the
switc
h. S
hrink
the
tubin
g int
o pla
ce.
rSt
rip th
e ins
ulatio
n of
f of t
he b
lack t
rans
form
er w
ire (A
) and
the
ribbe
d ed
ged
line
cord
wire
to e
xpos
e 1/
2” o
fba
re w
ire. T
wist
the
two
bare
wire
s tog
ethe
r. Pa
ss th
e wi
res t
hrou
gh th
e 1/
4” d
iamet
er p
iece
of sh
rink t
ubing
.At
tach
the
wire
s to
lug 3
on
the
switc
h an
d so
lder i
nto
place
. Slid
e th
e tu
bing
over
the
lug. S
hrink
the
tubin
gint
o pla
ce.
rSl
ide th
e 3/
4” d
iamet
er sh
rink t
ubing
ove
r the
switc
h an
d sh
rink i
nto
place
.r
Reco
nnec
t the
conn
ecto
r for
the
trans
form
er.
-14-
Fuse
hold
er6-
32 N
ut
Side
lug
6” R
ed w
ire
1/2”
Dia.
shrin
k tub
ing3/
16” D
ia.sh
rink t
ubing
(B) B
lack
trans
form
er w
ire
Fem
ale co
nnec
tor
Smoo
th lin
eco
rd w
ire
Ribb
ed lin
e co
rd w
ire
Gree
n lin
eco
rd w
ire
Solde
r lug
3/4”
Dia.
shrin
k tub
ing1/
4” D
ia. sh
rink t
ubing
Switc
hFigu
re Z
Switc
h Pin-ou
t1
23
(A) B
lack
trans
form
er w
ire
6-32
x 5/
16”
Scre
w
-15-
RESIST
ANCE
ANA
LYSIS OF
POW
ER SUP
PLY
Stat
ic te
sting
of t
he p
ower
sup
ply c
ircuit
s. Do no
t plug the po
wer s
upply into th
e 12
0VAC
pow
er sup
ply
source
until all res
istanc
e read
ings
che
ck out. Th
e va
lues
given
below
are app
roximate.
See Figu
re AA for loc
ations
of tes
ting po
ints.
Resistan
ceFrom
ToCircuit
Ohms
Mea
sured
1Ri
ght S
ide P
anel
Earth
Gro
und
less t
han
1W2
3On
/Off
Switc
h, F
use
Infin
ite (S
W1
Off)
23
On/O
ff, F
use
7W(S
W1
On)
45
12V
Seco
ndar
y1.
5W6
75V
Sec
onda
ry1.
2W8
9Va
riable
Volt
age
1.6W
10GN
D 5-
pin co
nnec
tor
+12V
Reg
ulato
r Inp
utgr
eate
r tha
n 20
kW11
(com
)GN
D (VW
) (5-p
in conn
ector)
–12V
Reg
ulato
r Inp
utgr
eate
r tha
n 20
kW12
GND
(B1)
+5V
Regu
lator
Inpu
tgr
eate
r tha
n 20
kW13
GND
(B1)
+Var
iable
Regu
lator
Inpu
tgr
eate
r tha
n 20
kW14
(com
)GN
D (VW
) (5-p
in conn
ector)
–Var
iable
Regu
lator
Inpu
tgr
eate
r tha
n 20
kW25
(com
)GN
D (VW
) (5-p
in conn
ector)
Volta
ge A
DJ +
20V
Regu
lator
CCW
<1W
CW >1
.4kW
26GN
D (VW
) (5-p
in conn
ector)
Volta
ge A
DJ -2
0V R
egula
tor
grea
ter t
han
1.4kW
27GN
D (5
-pin
conn
ecto
r)+5
V Re
gulat
or G
NDles
s tha
n 1W
28GN
D (5
-pin
conn
ecto
r)+1
2V R
egula
tor G
NDles
s tha
n 1W
29GN
D (5
-pin
conn
ecto
r)–1
2V R
egula
tor G
NDles
s tha
n 1W
1015
+12V
Reg
ulato
r Inp
utles
s tha
n 1W
1116
–12V
Reg
ulato
r Inp
utles
s tha
n 1W
1217
+5V
Regu
lator
Inpu
tles
s tha
n 1W
1318
+Var
iable
Regu
lator
Inpu
tles
s tha
n 1W
1419
–Var
iable
Regu
lator
Inpu
tles
s tha
n 1W
2014
Volta
ge A
DJ +
20V
Regu
lator
CCW
1.2kW
CW 3.
3kW
20+2
0 (5
-pin
conn
ecto
r)+V
ariab
le Re
gulat
or O
utpu
tles
s tha
n 1W
2013
Volta
ge A
DJ –
20V
Regu
lator
CCW
1.2kW
CW 3.
3kW
21–2
0 (5
-pin
conn
ecto
r)–V
ariab
le Re
gulat
or O
utpu
tles
s tha
n 1W
22GN
D (5
-pin
conn
ecto
r)+5
V Re
gulat
or O
utpu
tgr
eate
r tha
n 5kW
22B4
+5V
Regu
lator
Out
put
less t
han
1W23
GND
(5-p
in co
nnec
tor)
+12V
Reg
ulato
r Out
put
grea
ter t
han
5kW
23B3
+12V
Reg
ulato
r Out
put
less t
han
1W24
GND
(5-p
in co
nnec
tor)
–12V
Reg
ulato
r Out
put
grea
ter t
han
5kW
24B2
–12V
Reg
ulato
r Out
put
less t
han
1W5
15VA
C (5-p
in con
necto
r righ
t)15
VAC
less t
han
1W4
15VA
C (5-p
in co
nnec
tor le
ft)15
VAC
less t
han
1W+3
0%
Not
e: m
eter
lead
pola
rity
C
CW -
Coun
ter C
lockw
ise
CW -
Cloc
kwise
VR
1 &
VR2 A
djustm
ent
20A
2ACO
MVW
VW COM
SCHE
MAT
IC DIAGR
AM - AN
ALOG
SEC
TION
-36-
-16-
Loca
tions
for T
estin
g Po
ints
•••
211926
•••
182025
•••
222717
5-pin
conn
ecto
r lef
t5-
pin co
nnec
tor +
20
5-pin
conn
ecto
r righ
t5-
pin co
nnec
tor –
20GN
D
Ground
•••
291624
•••
152823
9
87
6
5
4 10
1112
13
14
+20VPot
Figu
re AA
B1
LM-781
2LM
-791
2
LM-780
5LM
-317
LM-337
On te
st po
ints
4 - 1
4us
e th
e lea
ds o
f the
diode
s.
Plug
of li
ne co
rd 1
3
2
–20VPot
-35-
CIRC
UIT DE
SCRIPT
ION
The
func
tion
gene
rato
r fre
quen
cies
are
prod
uced
by
an X
R220
6int
egra
ted
circu
it. Th
is IC
is ca
pable
of p
rodu
cing
high
quali
ty sin
e,sq
uare
and
trian
gle w
avef
orm
s of
high
sta
bility
and
acc
urac
y. Th
eou
tput
wav
efor
m c
an b
e bo
th a
mpli
tude
and
freq
uenc
y m
odula
ted
by a
n ex
tern
al vo
ltage
. Figu
re P
sho
ws th
e blo
ck d
iagra
m o
f the
XR22
06 IC
.Th
e XR
2206
is c
ompr
ised
of f
our
func
tions
bloc
ks,
a vo
ltage
cont
rolle
d os
cillat
or (V
CO),
an a
nalog
mult
iplier
and
sine
shap
er, a
unity
gain
buf
fer a
mpli
fier,
and
a se
t of c
urre
nt sw
itche
s.Th
e VC
O ac
tuall
y pro
duce
s an
outp
ut fr
eque
ncy p
ropo
rtion
al to
an
input
curre
nt. A
cros
s pins
5 a
nd 6
, a tim
ing ca
pacit
or is
switc
hed
into
give
5 dif
fere
nt ra
nges
of fr
eque
ncies
via C
OARS
E FR
EQ sw
itch.
On p
in 7,
the
FINE
FRE
Q AD
J var
iable
resis
tor c
ontro
ls th
e ac
tual
frequ
ency
out
put.
Thes
e tw
o co
mpo
nent
s for
m th
e RC
time
cons
tant
s for
the
oscil
lator
freq
uenc
y.Th
e VC
O pr
oduc
es a
squa
re w
ave
signa
l. This
squa
re w
ave
is se
nt to
a sh
aper
and
conv
erte
d int
o a
sine
wave
.
QUIZ - AN
ALOG
SEC
TION
INST
RUCT
IONS
: Co
mple
te th
e fo
llowi
ng e
xam
inatio
n an
d ch
eck y
our a
nswe
rs ca
refu
lly.
1.Th
e an
alog
mult
iplier
is p
art o
f . .
.r
A. th
e vo
ltage
cont
rolle
d os
cillat
or.
rB.
unit
y gain
buf
fer a
mpli
fier.
rC.
four
func
tion
block
s.r
D. tim
ing ca
pacit
or ci
rcuit
.2.
Incr
easin
g th
e cu
rrent
of t
he V
CO w
ill ef
fect
the
. . .
rA.
am
plitu
de.
rB.
DC
offse
t.r
C. A
M m
odula
tion.
rD.
freq
uenc
y.3.
The
RC tim
e co
nsta
nt is
det
erm
ined
by .
. .r
A. p
ins 5
and
6.
rB.
volta
ge co
ntro
lled
oscil
lator
.r
C. p
in 7
and
a va
riable
resis
tor.
rD.
com
pone
nts o
n pin
s 5, 6
, and
7.
4.W
hat p
ins o
n th
e 22
06 IC
are
use
d to
chan
ge th
esin
e wa
ve to
a sa
w wa
ve?
rA.
5, 6
rB.
15,
16
rC.
13,
14
rD.
4, 1
25.
Adjus
ting
P4 fr
om +
12V
to –
12V
effe
cts .
. .r
A. si
ne w
ave
ampli
tude
.r
B. m
odula
tion.
rC.
freq
uenc
y sta
bility
.r
D. D
C of
fset.
6.Co
arse
freq
uenc
y is s
et b
y . .
.r
A. P
6.r
B. ca
pacit
or C
11 th
roug
h C1
5.r
C. C
21.
rD.
P1
and
SW9.
7.A
1 vo
lt DC
level
on th
e FM
inpu
t will
. . .
rA.
shift
the
frequ
ency
1kH
z.r
B. sh
ift th
e fre
quen
cy to
DC.
rC.
hav
e no
effe
ct.r
D. sh
ift th
e fre
quen
cy 1
MHz
.8.
The
squa
re w
ave
and
CLK
outp
ut a
re 1
80O
out
of p
hase
bec
ause
. . .
rA.
Q2
inver
ts th
e CL
K ou
tput
.r
B. Q
1 inv
erts
the
squa
re w
ave
outp
ut.
rC.
a n
egat
ive vo
ltage
is a
pplie
d to
P5.
rD.
pin
12 is
tied
to –
12V.
9.Cl
ipping
of
the
sine
wave
out
puts
can
beco
rrecte
d by
. . .
rA.
P5.
rB.
the
DC o
ffset
pot
.r
C. lo
werin
g th
e +5
V po
wer s
upply
.r
D. n
one
of th
e ab
ove.
10.T
he sy
nc o
utpu
t pro
duce
s . .
.r
A. a
sine
wav
e.r
B. a
saw
wave
.r
C. vo
ltage
spike
s.r
D. a
squa
re w
ave.
Func
tiona
l Block
Diagram
Figu
re P
116
215
314
413
512
611
710
89
Sym
met
ryAD
J.
Wav
efor
mAD
J.
Grou
nd
Sync
Outp
ut
Bypa
ss
FKS
Inpu
t
Timing
Resis
tor
Timing
Capa
citorV+
Mult
. Out
Sine
/Saw
Outp
ut
AM In
put
+1M
ultipl
ieran
dSi
neSh
aper
VCO
Curre
ntSw
itche
s
Answers:1. C; 2. D; 3. D; 4. C; 5. D; 6. B; 7. C; 8. A; 9. D; 10. D
VOLTAG
E AN
ALYS
IS OF PO
WER
SUP
PLY
Proc
eed with th
e vo
ltage
ana
lysis on
ly if th
e resistan
ce re
adings
were sa
tisfactory.
Plac
e the
top pa
nel o
n the u
nit. If an
y cap
acito
rs ar
e ins
erted ba
ckwa
rds, th
e pan
el will sh
ield yo
u if they
explod
e.M
ake
sure
that
the
ON/O
FF s
witch
is in
the OF
Fpo
sition
. Plug
the
line
cord
into
the
120V
AC p
ower
sour
ce. T
urn
the
unit o
n an
d let
it sit
for a
few
minu
tes.
Turn
OFF
the
ON/O
FF sw
itch
and
rem
ove
the
top
pane
l,pla
cing
it alon
g th
e lef
t side
of t
he tr
ainer
. Tur
n ON
the
ON/O
FF sw
itch
and
mea
sure
the
volta
ge p
oint a
s list
edin
the
char
t belo
w. The
value
s give
n are ap
prox
imate.
See Figu
re AA for loc
ations
of the
testing po
ints.
From
ToCircuit
Volts
Volts
Mea
sured
15GN
D+1
2V R
egula
tor I
nput
+21V
B3GN
D+1
2V R
egula
tor O
utpu
t+1
2V16
GND
–12V
Reg
ulato
r Inp
ut–2
1VB2
GND
–12V
Reg
ulato
r Out
put
–12V
17GN
D+5
V Re
gulat
or In
put
+12.
5VB4
GND
+5V
Regu
lator
Out
put
+5V
18GN
D+2
0V R
egula
tor I
nput
+28V
+20
5-pin
conn
ecto
rGN
DVo
ltage
ADJ
+20
V Re
gulat
orCC
W 0
V C
W +
20V
+20
5-pin
conn
ecto
rGN
D+2
0V O
utpu
tCC
W +
1.25V
CW
+20
V19
GND
–20
Regu
lator
Inpu
t–2
8V–2
0 5-
pin co
nnec
tor
GND
Volta
ge A
DJ -2
0V R
egula
tor
CCW
0V
CW
–20
V–2
0 5-
pin co
nnec
tor
GND
–20V
Out
put
CCW
–1.
25V
CW
–20
V15
VAC
15VA
C30
VAC
30VA
C5-
pin5-
pinco
nnec
tor
conn
ecto
rlef
trig
ht+3
0%CC
W -
Coun
ter-C
lockw
ise C
W -
Cloc
kwise
rTu
rn unit o
ff.
-17-
FUSE
REP
LACE
MEN
T1.
Turn
the
traine
r off
and
unplu
g it f
rom
120
VAC
powe
r sou
rce.
2.Un
scre
w fu
se h
older
cap
and
rem
ove
fuse
.3.
Use on
ly a 1.25A
fuse
. Large
r fus
es or o
ther fu
se byp
ass will vo
id th
ewa
rranty of th
e tra
iner.
4.Pl
ace
the
new
fuse
into
the
fuse
hold
er ca
p an
d sc
rew
it bac
k int
o th
e ho
lder.
5.Pl
ug tr
ainer
into
120
VAC
powe
r sou
rce
and
turn
the
unit o
n.
Plac
e the top pa
nel o
n top of th
e un
it.
FINA
L AS
SEMBL
YIf yo
u are immed
iately going
to build th
e rem
aining
section, do no
t con
tinue
with
the ins
tructions
on this
page
, proce
ed to
pag
e 35
.r
Faste
n th
e fro
nt p
anel
inpla
ce w
ith f
our
#6 x
3/8
”th
read
cut
ting
scre
ws,
assh
own
in Fi
gure
K.
rFa
sten
the
PC b
oard
to th
esp
acer
on
the
front
pan
elwi
th a
fiber
was
her a
nd a
4-
40 x
1/4”
scre
w fro
m th
e fo
ilsid
e of
the
PC b
oard
, in th
eloc
ation
show
n in
Figu
re L
.
rFa
sten
the
pots
to th
e fro
ntpa
nel w
ith a
n 8m
m w
ashe
ran
d a 7m
m nu
t, as s
hown
inFi
gure
K.
rTu
rn th
e sh
afts
on th
e tw
osw
itche
s fu
lly
coun
ter-
clock
wise
. Pus
h th
e kn
obs
onto
the
shaf
ts so
that
the
line
on th
e kn
ob is
in li
newi
th th
e “S
quar
ewav
e” o
nth
e wa
vefo
rm c
ontro
l and
“10”
on
th
e Co
arse
Freq
uenc
y co
ntro
l (s
eeFi
gure
M).
If the
knob
s are
loos
e on t
hesh
afts,
inse
rt a
scre
wdriv
erint
o th
e slo
t and
exp
and
the
slot s
light
ly (s
ee F
igure
O).
rTu
rn th
e sha
fts on
the p
ots f
ully c
ount
er-c
lockw
ise. P
ush t
he kn
obs o
nto t
he sh
afts
so th
at th
e line
on th
e kno
bis
in lin
e wi
th th
e en
d of
the
circle
on
the
front
pan
el, a
s sho
wn in
Figu
re N
.If t
he kn
obs a
re lo
ose o
n the
shaf
ts, in
sert
a scr
ewdr
iver in
to th
e slot
and e
xpan
d the
slot
sligh
tly (s
ee F
igure
O).
-34-
Figu
re L
4-40
x 1/
4” S
crew
Figu
re O
1010
01k
10k 10
0k
Figu
re M
WAV
E FO
RM C
OARS
E FR
EQ
Figu
re N
AMPL
ITUD
E
Fibe
r was
her
Knob
sNu
t 7m
m
Nuts
7mm
Was
hers
8m
m
Was
her 8
mm
#6 x
3/8”
Thr
ead
cuttin
g sc
rews
#6 x
3/8”
Thr
ead
cuttin
g sc
rews
Figu
re K
Was
hers
9m
mNu
ts 8m
m
-18-
POWER
SUP
PLY TE
STING
PROB
LEM
POSS
IBLE
CAU
SESw
itch
does
n’t lig
ht.
1.Ch
eck f
use
and
line
cord
.Fu
se b
lows w
hen
the
unit i
s tur
ned
on.
1.Vo
ltage
sup
ply s
horte
d to
GND
. Us
e re
sista
nce
analy
sisch
art t
o fin
d sh
ort.
No o
r low
volta
ge a
t pos
itive
varia
ble1.
Mea
sure
for a
n AC
volta
ge o
f 18V
AC a
t ano
de o
f D7
& D9
.ou
tput
.A.
Tran
sform
er
and/
or
seco
ndar
y co
nnec
tion
to
PCbo
ard
defe
ctive
2.M
easu
re fo
r a D
C vo
ltage
of 2
8VDC
at p
in 3
of U
1 LM
317.
A.Di
odes
D7,
D9
in ba
ckwa
rds o
r def
ectiv
e, ch
eck
capa
citor
C1.
3.Se
t th
e vo
ltage
fo
r m
inim
um
and
mea
sure
pin
2
of U
1.A.
Volta
ge a
djusts
only
fro
m 7
.8 -
9.8
V R1
ope
n or
defe
ctive
.B.
Volta
ge 2
7V, c
heck
VR1
conn
ectio
ns.
No o
r low
volta
ge a
t pos
itive
varia
ble1.
Chec
k tha
t cap
acito
r C1
1000
mF
is ins
erte
d in
the
corre
ctou
tput
with
load
.po
larity
.2.
Chec
k ripp
le on
pin
3 of
U1.
8VP
-P M
ax.
A.Ca
pacit
or C
1, a
nd/o
r diod
es D
7, D
9 de
fecti
ve.
Plug
the
traine
r int
o a
120V
AC o
utlet
and
swi
tch to
the
“ON”
pos
ition
(the
powe
r swi
tch s
hould
ligh
t).W
ith a
digita
l volt
met
er, m
easu
re th
e volt
age o
utpu
tsat
the
powe
r blo
cks.
The
+12V
sho
uld m
easu
rebe
twee
n 11
.4 a
nd 1
2.6
volts
. The
5V
supp
ly sh
ould
read
bet
ween
4.7
5 an
d 5.
25 vo
lts. T
he –
12V
supp
lysh
ould
read
bet
ween
–11
.4 a
nd 1
2.6
volts
.Do
not sho
rt the 15
VAC ou
tput to
groun
d.Sh
ort t
he +
12V,
–12
V an
d +5
V su
pply
to g
roun
d.Th
ey s
hould
turn
off
and
reco
ver w
hen
the
shor
t is
rem
oved
. If y
ou h
ave
a 25
W10
wat
t res
istor
, plac
e it
acro
ss th
e ou
tput
term
inal (
2 wa
tt re
sisto
r will
work
,bu
t use
it on
ly fo
r a fe
w se
cond
s). T
he o
utpu
t of t
he
12V
supp
ly sh
ould
not c
hang
e m
ore
than
0.2
0 vo
lts.
Do th
e sa
me
on th
e 5V
sup
ply u
sing
a 10
W5
watt
resis
tor.
Again
, the
out
put s
hould
not
cha
nge
mor
eth
an 0
.20
volts
. In
mak
ing th
is te
st, th
e vo
ltmet
erlea
ds s
hould
be
clipp
ed to
the
term
inal d
irectl
y an
dno
to th
e loa
d lea
ds. T
his is
to p
reve
nt e
rrors
due
tovo
ltage
dro
p fro
m co
ntac
t res
istan
ce o
f the
load
.Ch
eck
the
varia
ble v
oltag
e su
pplie
s in
the
sam
em
anne
r. Set
the o
utpu
t volt
age b
etwe
en 10
-15 v
olts.
Plac
e th
e 25
W10
wat
t res
istor
acr
oss
the
outp
utte
rmina
l. The
volta
ge sh
ould
stay w
ithin
0.20
volts
ofth
e no
load
volta
ge.
TROU
BLES
HOOT
ING CH
ART
This
char
t lists
the
cond
ition
and
poss
ible
caus
es o
f sev
eral
malf
uncti
ons.
If a
parti
cular
par
t is m
entio
ned
as a
poss
ible
caus
e, ch
eck t
hat p
art t
o se
e if i
t was
insta
lled
corre
ctly.
Also
, che
ck it
and
the
parts
conn
ecte
d to
it fo
rgo
od so
lder c
onne
ction
s. No
te:
The
value
s give
n in
this
troub
lesho
oting
char
t are
an
appr
oxim
ation
.
-33-
5.Se
t VR8
fully
coun
ter-c
lockw
ise.
6.Ad
just t
he D
C OF
FSET
knob
unt
il the
met
er re
ads 0
volts
DC.
7.Se
t th
e m
eter
to
the
20 v
olts
AC r
ange
and
slow
ly tu
rn V
R8clo
ckwi
se u
ntil t
he m
eter
read
s 5.8
volts
AC.
Note:
Adjus
ting
the
DC o
ffset
will
affe
ct th
e VA
C re
ading
s.
TEST
ING TH
E TR
IANG
LE W
AVEF
ORM
1.Sw
itch
the
WAV
EFOR
M kn
ob to
its tr
iangle
wav
e se
tting.
2.W
ith th
e m
eter
set t
o th
e 20
volts
AC
rang
e, yo
u sh
ould
read
abo
ut6.
3 vo
lts A
C.
TEST
ING TH
E SQ
UARE
WAV
EFOR
M1.
Switc
h th
e W
AVEF
ORM
knob
to its
squa
re w
ave
settin
g.2.
Set y
our m
eter
to th
e 20
volts
AC
rang
e, yo
u sh
ould
now
read
abo
ut 1
2.5
volts
AC.
Turn th
e un
it off a
nd unp
lug it fro
m th
e AC ou
tlet.
TROU
BLES
HOOT
ING CH
ART
This
char
t lists
the
cond
ition
and
poss
ible
caus
es o
f sev
eral
malf
uncti
ons.
If a
parti
cular
par
t is m
entio
ned
as a
poss
ible
caus
e, ch
eck t
hat p
art t
o se
e if i
t was
insta
lled
corre
ctly.
Also
, che
ck it
and
the
parts
conn
ecte
d to
it fo
rgo
od so
lder c
onne
ction
s.
PROB
LEM
POSS
IBLE
CAU
SENo
wav
e fo
rm a
t FRE
Q1.
Che
ck vo
ltage
at p
ins 4
(+12
V) a
nd 1
2 (–
12V)
of U
6.2.
Che
ck fo
r wav
e fo
rms a
t pin
2 of
U6
and
pin 3
of U
10.
A. C
heck
R3-
4, R
7, R
13, C
18-2
2, C
24, S
W2-
3, V
R5 &
VR7
.3.
Mea
sure
volta
ge a
t pins
7 (+
12V)
and
4 (–
12V)
of U
10.
4. C
heck
R8,
R9,
R11
, R14
, R44
-48,
D16
, D17
, Q1
and
Q2.
No si
ne, t
riang
le or
low
ampli
tude
1. C
heck
U6
pin 2
for w
ave
form
.A.
Che
ck V
R8, v
oltag
e to
IC.
Saw
wave
in si
ne p
ositio
n1.
R5
wron
g va
lue.
Wav
e fo
rms c
lip to
p or
bot
tom
1. M
easu
re vo
ltage
at p
ins 7
(+12
V) a
nd 4
(–12
V).
2. A
djust
VR8.
3. C
heck
R7,
R9,
R11
, R14
, R44
-49,
D16
-17
and
Q2-3
.No
CLK
wav
e ou
tput
or l
ow a
mpli
tude
1. C
heck
pin
11 o
f U6
for s
quar
e wa
ve.
A. C
heck
Q2
shor
ted
to g
roun
d.B.
Che
ck R
10, R
12 a
nd Q
3.C.
Def
ectiv
e IC
.No
squa
re w
ave
or lo
w am
plitu
de1.
Che
ck p
in 11
of U
6 fo
r squ
are
wave
.(F
REQ
outp
ut)
A. C
heck
Q2
shor
ted
to g
roun
d.B.
Che
ck R
3, R
49, S
W3.
C. D
efec
tive
IC.
Outp
uts w
rong
freq
uenc
y1.
Che
ck C
18-2
2, C
24, R
13, S
W2
and
VR7.
DC o
ffset
not
wor
king
1. C
heck
volta
ge o
n VR
6 fo
r +12
V an
d –1
2V; c
heck
R8.
Trim
pot
adju
stmen
t
-19-
PROB
LEM
POSS
IBLE
CAU
SENo
volta
ge a
t neg
ative
varia
ble o
utpu
t.1.
Mea
sure
for a
n AC
volta
ge o
f 18V
AC a
t cat
hode
of D
8, D
10.
A.Tr
ansfo
rmer
and
/or s
econ
dary
conn
ectio
n to
PC
boar
dde
fecti
ve.
2. M
easu
re D
C vo
ltage
of –
28VD
C at
pin
2 of
U5
LM33
7.3.
Set
volta
ge fo
r mini
mum
and
mea
sure
pin
3 of
U5.
A.Vo
ltage
adju
sts o
nly fr
om –
7.8
to –
9.8V
R2
open
or
defe
ctive
.B.
Volta
ge –
27V,
chec
k VR2
conn
ectio
ns.
No o
r low
volta
ge a
t neg
ative
varia
ble1.
Che
ck to
see
if cap
acito
r C5
1000
mF
is ins
erte
d in
the
outp
ut w
ith lo
ad.
corre
ct po
larity
.2.
Che
ck ri
pple
on p
in 2
of U
5. 6
VP-P
max
.A.
Cap
acito
r C5
and/
or d
iodes
D8,
D10
def
ectiv
e.No
+12
V at
out
put.
1. M
easu
re a
n AC
volta
ge o
f 15V
AC a
t ano
de o
f D1,
D3.
A.Tr
ansfo
rmer
and
/or s
econ
dary
conn
ectio
n to
PC
boar
dde
fecti
ve.
2. M
easu
re fo
r a D
C vo
ltage
of 2
1VDC
at p
in 1
of U
2 LM
7812
.A.
Diod
es D
1, D
3 in
back
ward
s or d
efec
tive,
chec
kca
pacit
or C
1.3.
Mea
sure
for a
DC
volta
ge o
f 12V
DC o
n pin
3 o
f U2.
A. U
2 LM
7812
def
ectiv
e or
ope
n gr
ound
.No
+12
V at
out
put w
ith lo
ad.
1. C
heck
capa
citor
C2
1000
mF
is ins
erte
d in
the
corre
ctpo
larity
.2.
Che
ck ri
pple
on p
in 1
of U
2. 7
VP-P
Max
.A.
Capa
citor
C2
or d
iodes
D1,
D3
defe
ctive
.No
–12
V at
out
put.
1. M
easu
re a
n AC
volta
ge o
f 15V
AC a
t ano
de o
f D2,
D4.
A. T
rans
form
er a
nd/o
r sec
onda
ry co
nnec
tion
to P
C bo
ard
defe
ctive
.2.
Mea
sure
for a
DC
volta
ge o
f -21
VDC
at p
in 2
of U
4 LM
7912
.A.
Diod
es D
2, D
4 in
back
ward
s or d
efec
tive,
chec
kca
pacit
or C
4.3.
Mea
sure
for a
–12
VDC
volta
ge o
n pin
3 o
f U4.
A.U4
LM
7912
def
ectiv
e or
ope
n gr
ound
.No
–12
V at
out
put w
ith lo
ad.
1. C
heck
capa
citor
C4
is ins
erte
d in
the
corre
ct po
larity
.2.
Che
ck ri
pple
on p
in 2
of U
3. 7
VP-P
Max
.A.
Cap
acito
r C4
and/
or d
iodes
D1,
D3
defe
ctive
.No
+5V
DC a
t out
put
1. M
easu
re a
n AC
volta
ge o
f 9VA
C at
ano
de o
f D5,
D6.
A.Tr
ansfo
rmer
and
/or s
econ
dary
conn
ectio
n to
PC
boar
dde
fecti
ve.
2. M
easu
re fo
r a D
C vo
ltage
of 1
2VDC
at p
in 1
of U
3 LM
7805
.A.
Diod
es D
5, D
6 in
back
ward
s or d
efec
tive,
chec
kca
pacit
or C
3.3.
Mea
sure
for a
5VD
C vo
ltage
on
pin 3
of U
3 LM
7805
.A.
U3 L
M78
05 d
efec
tive
or o
pen
grou
nd.
No +
5VDC
at o
utpu
t with
load
.1.
Che
ck th
at ca
pacit
or C
3 is
inser
ted
in th
e co
rrect
polar
ity.
2. C
heck
ripp
le on
pin
1 of
U3.
4VP
-P M
ax.
A.Ca
pacit
or C
3 an
d/or
diod
es D
5, D
6 de
fecti
ve.
VOLTAG
E AN
ALYS
IS OF AN
ALOG
SEC
TION
Proc
eed w
ith th
e volt
age a
nalys
is on
ly if t
he re
sista
nce r
eadin
gs w
ere s
atisf
acto
ry. The
values
given
below
are
approx
imate.
The
follo
wing
mea
sure
men
ts wi
ll be
take
n fro
m th
e co
pper
side
of t
he P
C bo
ard.
Tur
n th
e un
it on
and
plac
e it
upsid
e do
wn.
See Figu
re J fo
r loc
ations
of the
testing po
ints.
From
ToCircuit
Volts
Volts
Mea
sured
Pin
4 (U
6)GN
D (B
1)U6
Vcc
+12V
Pin
12 (U
6)GN
D (B
1)U6
GND
–12V
Pin
7 (U
10)
GND
(B1)
U10
Vcc
+12V
Pin
4 (U
10)
GND
(B1)
U10
Vcc–
–12V
TEST
ING TH
E FU
NCTION
GEN
ERAT
ORNo
te:
Use
the
knob
s whe
n tu
rning
the
switc
hes.
TEST
ING TH
E SINE
WAV
E
1.Se
t you
r met
er to
the
200m
V DC
rang
e.
2.Co
nnec
t the
red
met
er le
ad to
the
4-pin
bre
adblo
ck m
arke
d FR
EQ a
nd th
e bla
ck le
ad w
ire to
the
4-pin
brea
dbloc
k mar
ked
GND.
3.Se
t the
WAV
EFOR
M kn
ob to
SIN
E, C
OARS
E FR
EQUE
NCY
knob
to 1
k and
the
FINE
ADJ
and
AM
PLIT
UDE
knob
s full
y cloc
kwise
.
4.Se
t the
DC
offse
t to
the
midd
le po
sition
. The
n, tu
rn o
n th
e tra
iner.
Turn unit right side up
. Figu
re J
-32-
1 2 3 4 5 6 7 810 9111213141516
1 2 3 4
8 7 6 5
U10
GND
U6
124
7
4
Figu
re DD
FINA
L AS
SEMBL
YIf yo
u are immed
iately going
to build th
e rem
aining
sections
, do no
t con
tinue
with
the ins
tructions
on this
page
and
proce
ed to
pag
e 22
.
rFa
sten
the
front
pan
el in
place
with
fou
r #6
x 3
/8”
thre
ad c
uttin
g sc
rews
, as
show
n in
Figu
re B
B.
rFa
sten
the
PC b
oard
to th
esp
acer
on
the
front
pan
elwi
th a
fiber
was
her a
nd a
4-
40
x 1/
4”
scre
w (fr
omPo
wer
Supp
ly Se
ctio
n)fro
m th
e fo
il side
of t
he P
Cbo
ard,
in
th
e lo
catio
nsh
own
in Fi
gure
CC.
rFa
sten
the
pots
to th
e fro
ntpa
nel w
ith a
n 8m
m w
ashe
ran
d a 7m
m nu
t, as s
hown
inFi
gure
BB.
rTu
rn th
e sh
afts
on th
e tw
osw
itche
s fu
lly c
ount
er-c
lock-
wise
. Pus
h th
e kn
obs
onto
the sh
afts s
o tha
t the
line
onth
e kn
ob is
in li
ne w
ith th
een
d of
the c
ircle
on th
e fro
ntpa
nel (s
ee F
igure
DD)
. If th
ekn
ob is
loos
e on
the
shaf
t,ins
ert a
scr
ewdr
iver i
nto
the
slot
and
expa
nd t
he s
lotsli
ghtly
(see
Figu
re E
E).
-20-
Figu
re CC
4-40
x 1/
4” S
crew
Figu
re EE
Knob
sNu
ts 7m
m
Nuts
7mm
Was
hers
8m
m
Was
hers
8m
m
#6 x
3/8”
Thr
ead
Cuttin
g Sc
rews
#6 x
3/8”
Thr
ead
Cuttin
g Sc
rews
Figu
re BB
Fibe
r Was
her
RESIST
ANCE
ANA
LYSIS OF
ANA
LOG SE
CTION
Stat
ic te
sting
of t
he a
nalog
circ
uits.
Do not plug in th
e po
wer s
upply into 120
VAC po
wer s
ource un
til all
resistan
ce re
adings
che
ck out. T
he value
s give
n be
low are ap
prox
imated
.
SET SW
3 TO
SQU
ARE WAV
E(re
fer t
o to
p pa
nel)
From
ToCircuit
Ohms
Resistan
ce Mea
sured
Pin
11 (U
6)Pi
n 3
(U10
)Sq
uare
Wav
eVR
5 CC
W 1
2.3kW
Pin
11 (U
6)Pi
n 3
(U10
)Sq
uare
Wav
eVR
5 CW
6.7
kW
SET SW
3 TO
TRIAN
GLE WAV
E
From
ToCircuit
Ohms
Resistan
ce Mea
sured
Pin
2 (U
6)Pi
n 3
(U10
)Tr
iangle
Wav
eVR
5 CC
W 1
4.7kW
Pin
2 (U
6)Pi
n 3
(U10
)Tr
iangle
Wav
eVR
5 CW
4.7
kWPi
n 13
(U6)
Pin
14 (U
6)Tr
iangle
Wav
eGr
eate
r tha
n 1kW
SET SW
3 TO
SINE WAV
E
From
ToCircuit
Ohms
Resistan
ce Mea
sured
Pin
2 (U
6)Pi
n 3
(U10
)Si
ne W
ave
VR5
CCW
14.
7kW
Pin
2 (U
6)Pi
n 3
(U10
)Si
ne W
ave
VR5
CW 4
.7kW
Pin
13 (U
6)Pi
n 14
(U6)
Sine
Wav
e20
0WPi
n 3
(U6)
GND
(B1)
Mult
VR8
CCW
< 1
0WPi
n 3
(U6)
GND
(B1)
Mult
VR8
CW 1
00kW
Pin
4 (U
6)+1
2V (B
3)VC
CLe
ss th
an 3W
Pin
7 (U
6)–1
2V (B
2)Fi
ne F
req A
djVR
7 CC
W 1
08.2
kWPi
n 7
(U6)
–12V
(B2)
Fine
Fre
q Adj
VR7
CW 8
.2kW
Pin
12 (U
6)–1
2V (B
2)GN
DLe
ss th
an 3W
30%
CCW
- Co
unte
r-Cloc
kwise
CW
- Cl
ockw
ise
VR8
U10
U6
-31-
1 2 3 4
1 2 3 4
8 7 6 55 6 7 8
10 9111213141516
-21-
INST
ALL CO
MPL
ETED
UNIT INTO
CAS
Er
Plac
e th
e str
ain re
lief o
nto
the
line
cord
as s
hown
in F
igure
FF.
rSq
ueez
e the
two s
ectio
ns to
geth
er w
ith pl
iers a
s sho
wn in
Figu
re G
G. T
hen,
inse
rt th
e stra
in re
lief in
to th
e hole
.r
Lay t
he tr
ainer
insid
e of
the
case
as s
hown
in F
igure
HH.
rAl
ign th
e ho
les in
the
botto
m c
ase
with
thos
e in
the
traine
r and
sec
ure
it int
o pla
ce w
ith fo
ur #
6 x
1/2”
AB
scre
ws a
nd fo
ur #
6 wa
sher
as s
hown
in F
igure
II.
Figu
re HH
Figu
re II
Figu
re FF
Figu
re GG
#6 x
1/2”
AB
Scre
w#6
Was
her
Back
pan
elBa
ck pan
el
-30-
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
Start H
ere
J18
- Jum
per W
ire(s
ee F
igure
A)
R13
- 8.2
kW5%
1/4W
Res
istor
(gra
y-re
d-re
d-go
ld)J1
7 - J
umpe
r Wire
(see
Figu
re A
)C1
8 - .
001m
F (1
02) M
ylar
(see
Figu
re E
A)R6
- 12
kW5%
1/4
W R
esist
or(b
rown
-red-
oran
ge-g
old)
Figu
re H
Mou
nt d
own
flush
with
PC b
oard
. Th
e va
luem
ay b
e m
arke
d on
the
back
side
of p
ot.
Cut
off
exce
ss
lead
lengt
h af
ter s
older
ing.
Potentiometers
Switc
hes
Figu
re I
Mou
nt d
own
flush
with
PC
boar
d.No
te:
SW2
has 1
2 pin
s and
SW
3ha
s 16
pins.
VR6
- 100
kWPo
t(s
ee F
igure
H)
VR5
- 10kW
Pot
(see
Figu
re H
)VR
7 - 1
00kW
Pot
(see
Figu
re H
)SW
2 - S
W R
otar
y 12-
Pin
(see
Figu
re I)
SW3
- SW
Rot
ary 1
6-Pi
n(s
ee F
igure
I)
Continue
C21
- 1m
F 50
V El
ectro
lytic
(see
Figu
re D
)C2
2 - 1
0mF
25V
Elec
trolyt
ic(s
ee F
igure
D)
C20
- .1m
F (1
04) M
ylar
(see
Figu
re E
A)C1
9 - .
01m
F (1
03) M
ylar
(see
Figu
re E
A)
Cut o
ffta
b
Cut o
ffta
b
-22-
CIRC
UIT DE
SCRIPT
ION
The p
ower
supp
ly fe
atur
es tw
o var
iable
outp
ut vo
ltage
s and
thre
e fixe
d 12V
, –12
V an
d 5V
varia
ble ou
tput
volta
ges
are
0V to
20V
and
0 to
–20
V at
up
to 1
am
pere
max
imum
curre
nt. A
ll sup
plies
are
regu
lated
to b
ette
r tha
n 0.
2Vwh
en go
ing fr
om no
load
to fu
ll loa
d. V
aryin
g the
inpu
t AC
volta
ge fr
om 10
5 to 1
35V
will h
ave p
racti
cally
no ef
fect
on th
e ou
tput
volta
ges.
This
is be
caus
e of
the
spec
ially
desig
ned
ICs u
sed
in th
e XK
-700
Digi
tal/A
nalog
Tra
iner.
Seve
re o
verlo
ading
or e
ven
shor
ting
the
outp
ut ci
rcuit
s will
not d
amag
e th
e su
pplie
s. Sp
ecial
turn
-off
circu
its in
the
ICs s
ense
the
over
load
and
turn
off
the
outp
ut.
THE PO
SITIVE
0 TO 20
V PO
WER
SUP
PLY
Figu
re 1
show
s a si
mpli
fied c
ircuit
diag
ram
of th
e pos
itive s
upply
. It co
nsist
s of a
powe
r tra
nsfo
rmer
, a D
C re
ctifie
rsta
ge a
nd th
e re
gulat
or st
age.
TRAN
SFOR
MER
The t
rans
form
er T
1 ser
ves t
wo pu
rpos
es. F
irst, i
t red
uces
the 1
20VA
C inp
utto
17V
AC to
allo
w th
e pr
oper
volta
ge to
ent
er th
e re
ctifie
r sta
ges.
Seco
nd,
it iso
lates
the p
ower
supp
ly ou
tput
from
the 1
20VA
C lin
e. T
his pr
even
ts th
eus
er fr
om d
ange
rous
volta
ges s
hould
he
or sh
e be
stan
ding
in a
grou
nded
area
.
AC TO DC
CON
VERT
ERTh
e AC
to D
C co
nver
ter c
onsis
ts of
diod
es D
1, D
3 an
d ca
pacit
or C
1.Tr
ansfo
rmer
T1
has t
wo se
cond
ary w
inding
s whic
h ar
e 18
0 de
gree
s out
of
phas
e. T
he o
utpu
t at e
ach
wind
ing is
show
n in
Figu
re 2
A an
d 2B
.
Diod
es a
re s
emico
nduc
tor d
evice
s th
at a
llow
curre
nt to
flow
in o
nly o
nedir
ectio
n. T
he a
rrow
in Fi
gure
3 p
oints
to th
e dir
ectio
n th
at th
e cu
rrent
will
flow.
Only
whe
n the
tran
sform
er vo
ltage
is po
sitive
will
curre
nt flo
w th
roug
hth
e diod
es. F
igure
3 sh
ows t
he si
mple
st po
ssibl
e rec
tifier
circ
uit. T
his ci
rcuit
is kn
own
as a
half
-wav
e re
ctifie
r. He
re th
e dio
de co
nduc
ts on
ly ha
lf of t
hetim
e whe
n the
AC
wave
is po
sitive
as sh
own i
n Figu
re 2C
. Use
of th
is cir
cuit
is sim
ple b
ut in
effic
ient.
The
big g
ap b
etwe
en c
ycles
requ
ire m
uch
mor
efilt
ering
to o
btain
a sm
ooth
DC
volta
ge.
By th
e add
ition o
f a se
cond
diod
e and
tran
sform
er w
inding
we c
an fil
l in th
ega
p be
twee
n cy
cles
as s
hown
in F
igure
4. T
his c
ircuit
is c
alled
full-w
ave
recti
ficat
ion.
Each
diod
e co
nduc
ts wh
en th
e vo
ltage
is p
ositiv
e. B
y add
ingth
e tw
o ou
tput
s, th
e vo
ltage
pre
sent
ed to
cap
acito
r C1
is m
ore
com
plete
,th
us e
asier
to fi
lter,
as s
hown
in F
igure
2E.
Whe
n us
ed in
60
cycle
s AC
input
pow
er, t
he o
utpu
t of a
full w
ave
recti
fier w
ill be
120
cycle
s.
Capa
citor
C1
is us
ed to
stor
e th
e cu
rrent
char
ges,
thus
smoo
thing
the
DCvo
ltage
. The
larg
er th
e cap
acito
r, the
mor
e cur
rent
is st
ored
. In th
is de
sign,
1000
mF
capa
citor
s ar
e us
ed, w
hich
allow
s ab
out 5
volt
s AC
ripple
whe
non
e am
p is
draw
n.
Figu
re 1
Sim
plifie
d dia
gram
of p
ositiv
e po
wer s
upply
120V
AC
input
17VA
C28
VDC
0 - 2
0V
Regu
lated
outp
ut
Tran
sform
er12
0V to
17V
AC to
DC
conv
erte
rVo
ltage
regu
lator
Figu
re 2
Figu
re 3
Figu
re 4
Volta
ge W
aveform fo
r Sup
ply
A)Tr
ansfo
rmer
wind
ing A
B
B)Tr
ansfo
rmer
wind
ing B
C
C)Ou
tput
of
diode
D1.
D)Ou
tput
of
diode
D2.
E)To
tal o
f diod
esD1
& D
2.
20V
F)Ou
tput
of c
apac
itor C
1Ri
pple
depe
nds o
n loa
dcu
rrent
(exp
ande
d).
Half w
ave
recti
fier
Full w
ave
recti
fier
Figu
re G
Diod
es h
ave
polar
ity. M
ount
with
band
in th
e dir
ectio
n sh
own
on th
ePC
boa
rd.
Figu
re F
Hold
the
bred
blox d
own
flush
to th
e PC
boa
rd fr
om th
e to
p leg
end
side
and
solde
r the
met
al pin
s in
place
. The
n, m
elt th
e pla
stic p
ins w
ith yo
urso
lderin
g iro
n to
hold
the
bred
blox d
own
as sh
own.
Re-
tin th
e so
lder t
ipaf
terw
ards
.
Continue
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
Start H
ere
B6 -
4-pin
Bre
dblox
(see
Figu
re F
)D1
6 - 1
N414
8 Di
ode
(see
Figu
re G
)R1
4 - 1
00W
5% 1
/4W
Res
istor
(bro
wn-b
lack-
brow
n-go
ld)B5
- 4-
pin B
redb
lox(s
ee F
igure
F)
R12
- 1kW
5% 1
/4W
Res
istor
(bro
wn-b
lack-
red-
gold)
R44
- 100
W5%
1/4
W R
esist
or(b
rown
-blac
k-br
own-
gold)
D17
- 1N4
148
Diod
e( s
ee F
igure
G)
J23
- Jum
per W
ire(s
ee F
igure
A)
R48
- 22kW
5% 1
/4W
Res
istor
(red-
red-
oran
ge-g
old)
Q1 -
2N39
04 T
rans
istor
(see
Figu
re C
)R4
7 - 3
30W
5%1/4
W R
esist
or(o
rang
e-or
ange
-bro
wn-g
old)
R46
- 330
W5%
1/4
W R
esist
or(o
rang
e-or
ange
-bro
wn-g
old)
R45
- 22kW
5% 1
/4W
Res
istor
(red-
red-
oran
ge-g
old)
J16
- Jum
per W
ireJ1
5 - J
umpe
r Wire
J14
- Jum
per W
ire(s
ee F
igure
A)
Q2 -
2N39
06 T
rans
istor
(see
Figu
re C
)
Figu
re E
Mou
nt t
he t
rim p
ot t
o th
e PC
boa
rd a
ssh
own
below
.
Figu
re EA
Bend
the
capa
citor
s at
a 4
5oan
gle b
efor
eso
lderin
g it t
o th
e PC
boa
rd.
-29-
Band
Plas
tic P
ins
Melt
Pins
In p
racti
ce, t
he c
urre
nt th
roug
h th
e dio
des
is no
t as
show
n in
Figu
re 2
C. B
ecau
se c
apac
itor C
1 ha
s a
char
ge a
fter t
he fir
st cy
cle, t
he d
iode
will n
ot co
nduc
tun
til th
e po
sitive
AC
volta
ge e
xcee
ds th
e po
sitive
char
ge in
the
capa
citor
. Figu
re 5
sho
ws a
bet
ter
pictu
re o
f wha
t the
cur
rent
flow
look
s lik
e as
sum
ingno
loss
in th
e dio
de. I
t tak
es a
few
cycle
s fo
r the
volta
ge to
build
up on
the c
apac
itor.
This
depe
nds o
nth
e re
sista
nce
of th
e wi
nding
and
the
diode
. Afte
r the
initia
l sta
rt-up
, the
re w
ill be
a c
harg
e an
d dis
char
geon
the
capa
citor
dep
endin
g on
the
curre
nt d
rawn
by
the
outp
ut l
oad.
Rem
embe
r, cu
rrent
only
flow
sth
roug
h th
e dio
de w
hen
the
anod
e is
mor
e po
sitive
than
the
cath
ode.
Thu
s, cu
rrent
will
flow
in sh
ort
burs
ts as
show
n in
Figu
re 5
.
The
DC lo
ad c
urre
nt m
ay b
e on
e am
pere
, but
the
peak
diod
e cu
rrent
may
be
thre
e tim
es t
hat.
Ther
efor
e, t
he d
iode
ratin
g m
ust
be s
uffic
ient
toha
ndle
the
peak
cur
rent
. The
1N4
001
has
a pe
akcu
rrent
ratin
g of
10
amps
.
REGU
LATO
R CIRC
UIT
The r
egula
tor c
ircuit
in th
e pow
er su
pply
cons
ists o
f aLM
-317
int
egra
ted
circu
it. T
his I
C is
spec
ially
desig
ned
to p
erfo
rm th
e re
gulat
ion fu
nctio
n. F
igure
6sh
ows a
sim
plifie
d circ
uit of
how
the L
M-3
17 IC
wor
ks.
Tran
sisto
rs Q
1 an
d Q2
form
a c
ircuit
kno
wn a
s a
diffe
rent
ial a
mpli
fier.
The
base
of t
rans
istor
Q1
isco
nnec
ted
to a
sta
ble 1
.5V
refe
renc
e vo
ltage
. The
base
of Q
2 is c
onne
cted t
o the
regu
lator
outp
ut ci
rcuit
thro
ugh
a vo
ltage
divi
der n
etwo
rk. T
he c
ollec
tor o
ftra
nsist
or Q
2 is
conn
ecte
d to
a c
urre
nt s
ourc
e. T
his
basic
ally
is a
PNP
trans
istor
bias
ed to
dra
w ab
out
1mA
of cu
rrent
. Tra
nsist
or Q
2 see
s the
curre
nt so
urce
as a
ver
y hig
h re
sisto
r of a
bout
1 m
eg o
hms.
Thus
,th
e ga
in of
tran
sisto
r Q2
is ex
trem
ely h
igh.
Tran
sisto
r Q5
is ca
lled
the
pass
tran
sisto
r. It
cont
rols
the c
urre
nt re
achin
g the
outp
ut. T
rans
istor
Q3 a
nd Q
4ar
e em
itter
follo
wers
. The
ir fu
nctio
n is
to ra
ise th
eim
peda
nce o
f the p
ass t
rans
istor
. Not
e tha
t tran
sisto
rsQ2
, Q3,
Q4,
Q5
and
resis
tor R
1 fo
rm a
clos
ed lo
op.
Also
, not
e th
at th
e fe
edba
ck to
the
base
of Q
2 is
nega
tive,
that
is, w
hen
the
base
of Q
2 go
es p
ositiv
e,th
e ou
tput
at e
mitte
r Q5
goes
neg
ative
. Now
if th
e 2
volt
outp
ut v
oltag
e go
es d
own
beca
use
of c
urre
ntdr
ain a
t the
out
put,
the
base
of Q
2 wi
ll dro
p, fo
rcing
the
colle
ctor v
oltag
e to
go
highe
r. Th
is wi
ll brin
g th
eou
tput
volta
ge b
ack t
o 2
volts
. This
is th
e ba
sis o
f all
nega
tive
feed
back
regu
lator
s.
Anot
her f
eatu
re o
f the
LM
-317
regu
lator
if to
pro
tect
the
IC a
gains
t ove
rload
and
out
put s
horts
. If t
he IC
isov
erloa
ded,
the
juncti
on o
f an
over
load
trans
istor
will
over
heat
. A tr
ansis
tor w
ill se
nse
this
over
heat
ing a
ndsh
ut d
own
trans
istor
Q5.
The
LM-3
17 IC
is b
asica
lly a
1.2
5 vo
lt re
gulat
or. T
obe
able
to v
ary
the
outp
ut fr
om 0
V to
20V
, you
sta
ckth
e IC
on
the
nega
tive
1.25
VDC
volta
ge a
s sho
wn in
Figu
re 7
. Whe
n VR
1 eq
uals
0, th
e ou
tput
volta
ge is
0vo
lts.
THE NE
GATIVE
VOL
TAGE
REG
ULAT
OR
The
theo
ry o
f the
neg
ative
regu
lator
is th
e sa
me
asth
e pre
vious
ly dis
cuss
ed po
sitive
regu
lator
. The
basic
diffe
renc
e is
that
diod
es D
1 an
d D3
are
reve
rsed
,pr
oduc
ing a
neg
ative
volt
age
acro
ss c
apac
itor C
1.Th
e LM
-317
IC is
desig
ned t
o ope
rate
from
a ne
gativ
esu
pply.
-23-
Figu
re 5
Figu
re 6
Figu
re 7
A)Tr
ansfo
rmer
wind
ing
B)Vo
ltage
C1
C)Cu
rrent
thro
ugh
diode
s
20V
Peak
20V
2VOu
tput
R1 R2
Divid
er
Q1
Q2
1.5V
Q3Q4
Q5Cu
rrent
sour
ceeq
ualiz
edto
1 m
eg.
0V -
20V
R1 VR1
LM-3
17
–DC
Figu
re B
Inse
rt th
e IC
sock
et in
to th
e PC
boar
d wi
th t
he n
otch
in
the
direc
tion
show
n on
the
top
legen
d.
Solde
r the
IC s
ocke
tint
o pla
ce. I
nser
t the
IC in
to th
eso
cket
with
the
not
ch i
n th
esa
me
direc
tion
as th
e no
tch o
nth
e so
cket
.
Figu
re C
Mou
nt th
e tra
nsist
orwi
th th
e fla
t side
inth
e dir
ectio
n sh
own
on th
e to
p leg
end.
Continue
INST
ALL CO
MPO
NENT
S TO
PC BO
ARD
Start H
ere
J9 -
Jum
per W
ire(s
ee F
igure
A)
C25
- .00
22m
F (2
22) D
iscap
J10
- Jum
per W
ireJ2
5 - J
umpe
r Wire
(see
Figu
re A
)VR
8 - 1
00kW
Trim
Pot
(see
Figu
re E
)C2
6 - 2
2pF
(22)
Disc
apC2
3 - 1
00pF
(101
) Disc
apJ1
1 - J
umpe
r Wire
J12
- Jum
per W
ireJ1
3 - J
umpe
r Wire
(see
Figu
re A
)U1
0 - I
C so
cket
8-p
inU1
0 - L
M31
8 IC
(see
Figu
re B
)R8
- 51
kW5%
1/4
W R
esist
or(g
reen
-bro
wn-o
rang
e-go
ld)R1
1 - 4
.7kW
5%1/
4W R
esist
or(y
ellow
-viol
et-re
d-go
ld)C2
7 - 5
pF (5
) Disc
ap
R5 -
200W
5% 1
/4W
Res
istor
(red-
black
-bro
wn-g
old)
J8 -
Jum
per W
ire(s
ee F
igure
A)
R3 -
6.8kW
5% 1
/4W
Res
istor
(blue
-gra
y-re
d-go
ld)R4
- 22
kW5%
1/4
W R
esist
or(re
d-re
d-or
ange
-gold
)U6
- IC
sock
et 1
6-pin
U6 -
XR22
06 IC
(see
Figu
re B
)R4
9 - 2
kW5%
1/4
W R
esist
or(re
d-bla
ck-re
d-go
ld)Q3
- 2N
3904
Tra
nsist
or(s
ee F
igure
C)
R10
- 10kW
5% 1
/4W
Res
istor
(bro
wn-b
lack-
oran
ge-g
old)
C24
- 10m
F 25
V Ly
tic(s
ee F
igure
D)
R7 -
4.7kW
5% 1
/4W
Res
istor
(yell
ow-v
iolet
-red-
gold)
R9 -
47kW
5% 1
/4W
Res
istor
(yell
ow-v
iolet
-ora
nge-
gold)
Figu
re A
Cut a
piec
e of
bar
e wi
re lo
ngen
ough
so
that
1/4
” of
wire
pass
es th
roug
h ea
ch h
ole in
the
PC b
oard
afte
r the
wire
isfo
rmed
(p
rovid
ed
in th
ese
cond
pac
kage
).So
cketIC
Notch
-28-
Figu
re D
Elec
trolyt
ics h
ave
a po
larity
mar
king
on t
hem
indic
ating
the n
egat
ive (–
) lead
. The
PC
boar
d is
mar
ked
to s
how
the
lead
posit
ions.
Mou
nt t
he c
apac
itors
hor
i-zo
ntal
to th
e PC
boar
d.Be
nd th
e lea
dsat
righ
t an
gles
and
then
inse
rtth
e lea
ds
into
the
PC b
oard
.
Flat
(+)
(–)
Polar
ity m
ark
-24-
SCHE
MAT
IC DIAGR
AM - PO
WER
SUP
PLY SE
CTION
-27-
INTR
ODUC
TION
- AN
ALOG
SEC
TION
USER
S DE
SCRIPT
ION OF
FRO
NT PAN
EL CON
TROL
S
12
34
5
67
SPEC
IFICAT
IONS
Wav
efor
ms -
Sine
, squ
are,
trian
gle a
nd co
mple
men
tary
squa
re.
Freq
uenc
y - 1
Hz to
100
kHz i
n 5
steps
cont
inuou
sly va
riable
.Fi
ne fr
eque
ncy a
djust
- 10:
1 ap
prox
imat
e.Am
plitu
de va
riable
0-1
5 Vp
p.Ou
tput
impe
danc
e 33
0 oh
ms:
shor
t pro
tecte
d.DC
offs
et ch
ange
10V
from
zero
cros
sing.
The
Analo
g Se
ction
of
your
tra
iner
cont
ains
aco
mple
te fu
nctio
n ge
nera
tor c
apab
le of
pro
ducin
gsin
e, sq
uare
, and
trian
gle w
avef
orm
s. Th
e fre
quen
cyof
this
gene
rato
r can
be
cont
inuou
sly v
aried
from
1he
rtz to
ove
r 100
,000
her
tz in
five
steps
: 10,
100
, 1k,
10k,
and
100k
. A
fine
frequ
ency
con
trol
mak
esse
lectio
n of
any
freq
uenc
y in
betw
een
easy
. The
ampli
tude
of t
he w
avef
orm
s ar
e ad
justa
ble fr
om 0
-15
Vpp.
A w
avef
orm
of f
uncti
on g
ener
ator
cap
able
of
prod
ucing
sine
, squ
are a
nd tr
iangle
wav
efor
m ou
tput
sha
s a
wide
ran
ge o
f ap
plica
tions
in
electr
ical
mea
sure
men
ts an
d lab
orat
ory
instru
men
tatio
n. T
hisco
mple
te fu
nctio
n ge
nera
tor s
yste
m is
suit
able
for
expe
rimen
tatio
n and
appli
catio
ns by
the s
tude
nt. T
heen
tire f
uncti
on ge
nera
tor is
com
prise
d of a
sing
le XR
-22
06 m
onoli
thic
IC a
nd a
limite
d nu
mbe
r of p
assiv
ecir
cuit c
ompo
nent
s.
1.WAV
EFOR
M- S
elects
squ
are,
trian
gle o
r sine
wave
form
at t
he F
REQ
outp
ut.
2.CO
URSE
FRE
QUEN
CY- S
elects
five
rang
es o
ffre
quen
cies 1
0, 1
00, 1
k, 10
k and
100
k her
tz.3.
FINE
FRE
QUEN
CY- A
llows
eas
y se
lectio
n of
desir
ed f
requ
ency
acc
ordin
g to
the
fre
quen
cyra
nge.
4.AM
PLITUD
E-
Cont
rols
the
ampli
tude
of
the
FREQ
out
put s
ignal
from
0-1
5Vpp
.5.
DC OFF
SET
- Con
trols
the
DC le
vel o
f the
FRE
Qou
tput
sign
al. T
he D
C lev
el m
ay be
varie
d 10 v
olts
from
zero
leve
l.
6.CL
K- A
4-pin
outp
ut bl
ock f
or fu
nctio
n gen
erat
or’s
squa
re w
ave.
The
am
plitu
de o
f the
sign
al is
5Vpp
and
frequ
ency
is
depe
nden
t on
WAV
EFOR
Mse
lectio
n.7.
FREQ
- A
4-pin
ou
tput
blo
ck
for
func
tion
gene
rato
r’s s
ignals
, ou
tput
is
depe
nden
t on
WAV
EFOR
M s
electi
on a
nd fr
eque
ncy
is se
t by
COUR
SE F
REQ
cont
rol.
The
ampli
tude
of t
heou
tput
is va
riable
from
0-1
5Vpp
.
-25-
QUIZ - PO
WER
SUP
PLY SE
CTION
INST
RUCT
IONS
- Co
mple
te th
e fo
llowi
ng e
xam
inatio
n an
d ch
eck y
our a
nswe
rs ca
refu
lly.
1.AC
volta
ge is
supp
lied
to th
e re
ctifie
r sta
ges b
y the
. . .
rA.
step
-up
trans
form
er.
rB.
step
-dow
n tra
nsfo
rmer
.r
C. 1
to 1
tran
sform
er.
rD.
AC
to D
C tra
nsfo
rmer
.2.
The
seco
ndar
y wind
ings o
f the
tran
sform
er a
re .
. .r
A. 9
0Oou
t of p
hase
.r
B. 1
80O
out o
f pha
se.
rC.
270
Oou
t of p
hase
.r
D. 3
20O
out o
f pha
se.
3.Di
odes
allo
w cu
rrent
to flo
w . .
.r
A. w
hen
the
anod
e is
mor
e ne
gativ
e th
an th
e ca
thod
e.r
B. w
hen
the
cath
ode
is m
ore
posit
ive th
an th
e an
ode.
rC.
in o
ne d
irecti
on.
rD.
whe
n a
nega
tive
or p
ositiv
e vo
ltage
is o
n th
e an
ode.
4.W
hat c
ircuit
is m
ore
effic
ient f
or re
ctifyi
ng A
C to
DC?
rA.
Har
tley o
scilla
tor.
rB.
Half
-wav
e.r
C. S
chm
itt tri
gger
.r
D. F
ull w
ave.
5.Th
e DC
volta
ge is
smoo
thed
by u
sing
a . .
.r
A. h
alf-w
ave
recti
ficat
ion ci
rcuit
.r
B. sm
all va
lue ca
pacit
or w
ith a
high
volta
ge va
lue.
rC.
Lar
ge va
lue ca
pacit
or.
rD.
90O
out o
f pha
se.
6.An
inef
ficien
t rec
tifica
tion
circu
it usu
ally c
onta
ins .
. .r
A. la
rge
gaps
bet
ween
cycle
s.r
B. tw
ice th
e AC
volta
ge n
eede
d.r
C. m
ore
diode
s.r
D. a
ll of t
he a
bove
.7.
The
max
imum
curre
nt th
at a
diod
e ca
n ha
ndle
is de
term
ined
by .
. .A.
the
trans
form
er’s
curre
nt ra
ting.
B. th
e am
ount
of A
C rip
ple.
C. th
ree
times
the
diode
ratin
g.D.
pea
k cur
rent
ratin
g.8.
The
LM-3
17 w
ill sh
ut d
own
when
. . .
rA.
the
outp
ut vo
ltage
is to
o hig
h.r
B. n
o cu
rrent
is b
eing
draw
n.r
C. th
e jun
ction
ove
rhea
ts.r
D. th
e ou
tput
volta
ge d
rops
to 1
.25V
.9.
The
LM-3
17 re
gulat
or co
ntain
s . .
.r
A. a
pas
s tra
nsist
or.
rB.
a co
nsta
nt cu
rrent
sour
ce.
rC.
a d
iffere
ntial
am
plifie
r.r
D. a
ll of t
he a
bove
.10
.The
LM
-317
is b
asica
lly .
. .r
A. a
1.2
5V re
gulat
or.
rB.
a 6
.25V
regu
lator
.r
C. a
2.5
V re
gulat
or.
rD.
a n
egat
ive vo
ltage
regu
lator
.
Answers:1. B; 2. B; 3. C; 4. D; 5. C; 6. D; 7. D; 8. C; 9. D; 10. A
AN-700
-CXK
-700
ANA
LOG KIT (AN-70
0-C) PAR
TS LIST
RESIST
ORS
Qty.
Symbo
lVa
lue
Color C
ode
Part #
r2
R14,
R44
100W
5% 1
/4W
brow
n-bla
ck-b
rown
-gold
1310
00r
1R5
200W
5% 1
/4W
red-
black
-bro
wn-g
old13
2000
r2
R46,
R47
330W
5% 1
/4W
oran
ge-o
rang
e-br
own-
gold
1333
00r
1R1
21kW
5% 1
/4W
brow
n-bla
ck-re
d-go
ld14
1000
r1
R49
2kW
5% 1
/4W
red-
black
-red-
gold
1420
00r
2R7
, R11
4.7kW
5% 1
/4W
yello
w-vio
let-re
d-go
ld14
4700
r1
R36.
8kW
5% 1
/4W
blue-
gray
-red-
gold
1468
00r
1R1
38.
2kW
5% 1
/4W
gray
-red-
red-
gold
1482
00r
1R1
010
kW5%
1/4
Wbr
own-
black
-ora
nge-
gold
1510
00r
1R6
12kW
5% 1
/4W
brow
n-re
d-or
ange
-gold
1512
00r
3R4
, R45
, R48
22kW
5% 1
/4W
red-
red-
oran
ge-g
old15
2200
r1
R947
kW5%
1/4
Wye
llow-
violet
-ora
nge-
gold
1547
00r
1R8
51kW
5% 1
/4W
gree
n-br
own-
oran
ge-g
old15
5100
r1
VR8
100kW
Trim
Pot
1916
10r
1VR
510
kWPo
t19
2531
r2
VR6,
VR7
100kW
Pot
1926
12
CAPA
CITO
RSQty.
Symbo
lVa
lue
Desc
riptio
nPa
rt #
r1
C27
5pF
(5)
Disc
ap20
5010
r1
C26
22pF
(22)
Disc
ap21
2210
r1
C23
100p
F (1
01)
Disc
ap22
1017
r1
C18
.001
mF
(102
)M
ylar
2310
17r
1C2
5.0
022m
F (2
22)
Disc
ap23
2216
r1
C19
.01m
F (1
03)
Myla
r24
1019
r1
C20
.1m
F (1
04)
Myla
r25
1017
r1
C21
1mF
50V
Elec
trolyt
ic26
1047
r2
C22,
C24
10m
F 25
VEl
ectro
lytic
2710
45
SEMICON
DUCT
ORS
Qty.
Symbo
lVa
lue
Desc
riptio
nPa
rt #
r2
D16,
D17
1N41
48Di
ode
3141
48r
2Q1
, Q3
2N39
04Tr
ansis
tor P
NP32
3904
r1
Q22N
3906
Tran
sisto
r NPN
3239
06r
1U1
0LM
318
Inte
grat
ed ci
rcuit
3303
18r
1U6
XR22
06In
tegr
ated
circ
uit33
2206
MISCE
LLAN
EOUS
Qty.
Symbo
lDe
scrip
tion
Part #
r1
SW2
Switc
h ro
tary
12-
pin54
2206
r1
SW3
Switc
h ro
tary
16-
pin54
2405
r5
Knob
pus
h-on
6220
09r
3Nu
t 7m
m64
4101
r2
Nut 9
mm
6441
02r
3W
ashe
r flat
8m
m64
5101
r2
Was
her f
lat 9
mm
6451
03r
1U1
0IC
sock
et 8
-pin
6640
08r
1U6
IC so
cket
16-
pin66
4016
r2
B5, B
64-
Pin
Bred
blox
6652
04r
1So
lder l
ead-
free
9LF9
9-26-
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