2-1. REAR COVER REMOVAL

l. Loosen the two rear-cover-holding screws

marked @ in fig. Z-t.2. Remove the six scr€ws marked @ in fg. Z-t.3. Remove the rear cover in the direction shown

by the arrow @.4. Remove the two wood screws marked @ in

Fig.2-1.

TI

I

I

I

I

I

t Pvc

2.2. CABINET REMOVAL

l. Remove the four screws markeO @ in l:ig.2-l .

2. Push up the three telescopic antennas'bottom.3. Remove the six screws marked @ and @ in

detail (l) and (3) of Fig. 2-1.4. Unsolder the coaxial cable and the three lead

wires shown in detail (l) and (3) of Fig. 2-1.

5. Loosen the three set screws fixing band selectorknob shown in detail (2) of Fie. 2-l and pullout the band selector knob.

pic wirelORG I

apping@P3x l4 apping eP3x14

tapping @P3xfu

DETA'L 3

@P3x2O

DETAIL 2T---- -----r

sEcTtoN 2DISASSEMBLY

DETAIL I

Ewing eP3x8

Fig. 2-l

-L2-

i RED

I pvc1 BLK

;

---I

I

I

I

.L

caxial cablel

2.3. FRONT PANEL REMOVAL

l. Remove the three TUNING knobs and theCALIBRATOR knob by loosening their set-

screws.

2. Pull out the five control knobs marked x' in Fig.2-2.

3. Remove the six screws marked @ and remove

the main panel and the sub-panel.

*reweRK2.6x6

@

knob,

n\J

2-4. SPEAKER REMOVAL

l. Remove the rear cover and battery case.

2. Remove the three truss head screws marked @in Fig. 2-3.

3. Now, baffle board and two speakers are remov-able as shown in Fie.2-3.

main panel

atb panel Fis. 2-2

N

- 13 -

2-5. FM FRONT END BLOCK REMOVAL

l. Remove the four screws shown in Fig.24.2. .Unsolder the two pvc wires shown in FE.2-4.3. Remove the three shield wire (O, @ -d @)

shown in FiE.2-5.4. Remove the FMI/FM2 selector lever as shown

in Fig. 2-6.

5. Remove the fm front end block in the directionshown by the arrow.

Fig. 2-4

2-6. AM IF CIRCUIT BOARD REMOVAL

l. Remove the two screws shown in Ftg.2-7,2. Loosen the screw marked x in Fig. 2-8 and

remove tlre selectivity switch connector fromthe selectivity switch retaining plate.

3. Remove the circuit board as shown in Fig.2-9.

eP26x6 p

Fis. 2-7

to regulatorboard (BLK)

1 to fm i-fI board'Btrc)

2-5

FMI /FM2selector levei

# 260

c o n n & to r, sel * t iY i ty savi tx h

ir

Fig. 2-6

-t4-

Fis. 2-9

t 2-7. FM IF BLOCK REMOVAL

1. Remove the four screws strown in Fig. 2-10.

2. Remove the screw shown in Fig. 2-ll andremove the fm i-f block in the direction shown

by the atrow.

64p* wire, WHT- from cp bard

ffif-@i3O EXTTOUCH

Fis. 2-lO

Fig. 2-l I

Unsolder all the wires shown in Fig. 2-12 andFig.2-13.Note: When replacing the circuit board, re-

move the three screws shown in Fig.2-14 and unsolder all the wires.

$ield wire,BLKfrom fmfront endHock

pvc wire, WHT/BLUapping *rew@ B3xG

fron cp board

pvc wireBLK

@

puc wire, OBGfrom afc swiEh

pvc wirc,9BNfrom afc swieh

ff?ff&fi**-

shield wire, YELfrom cp board

pvc wire, ORGfrom cp board

@pvc wire, REDfrom cp board

Fig. 2-13

tinnedcopperwrepvc wireWHT

pvc wreGRN

p\rc wreBLU

3.tinnedcoppefwlre

Fis. 2-12

- 15 -

pvc wire RED $ erz.ora

Fis. 2-14

2-8. CP CIRCUIT BOARD REMOVAL

l. Remove the four screws shown in Fig. 2-15.2. Remove the four screws marked @ in fig

2-t6.3. Remove the two screws marked @.4. Remove the sqew marked @.5. Unsolder the two wires at the antenna terminal

panel.

6. Unsolder the six tuning capacitor lead wires.

Fis. 2-15

7. Unsolder the three wires (@ O @) *tti"ttcome from the sw front end as shown in Fig.2-17.

8. Unsolder all the wires shown in Fig. 2-18.9. Remove the circuit board in the direction

shown by the arrow in Fig. 2-16.

@ pvc wire,- 'BLU from

cp board

A pvcnire,- RED from

cp burdpvc wrre,RED fromcp burd

Sw2-19front endblock

@30ext tooth

Fis. 2-17

exttooth

eK2x3 20

unsoldertuningcapacitorlads(three YELand three8LK)bracket,tuningcapacitor

tapping*rew@R 3x8

20

tappingscrew@R 3x6

@

@TD4x8bracket,mutinglevelpotentio-meter

pvc wire,WHT. BLK (9

2.60

@P2.6x4

.d.ffiffiffii*'ffi +s':ti F$trri 4tfr* 5

a' s*q t "s""e

:i:q#liH I f,+5$ r

-,.rd + j"#q

'f#;fu.ffii

;fllat:f T I

Fis. 2-16

- 16 -

Fig. 2-18

v 2-9. BFO BLOCK REMOVAL

l. Remove the two screws shown in Fig.2-19 andpush the bfo block backward.

2. Unsolder the five wires shown nFie.2-2O.3. Remove the two screws and straighten the two

tabs shown nFig.2-21.4. Take out the shield cover in the direction

shown by the arrow O *a @

bfo block

Fig. 2-19

shield wire,WHTshield wire,RED

shield wire, YEL

Fis. 2-20

two tab6

aP2.6x6

2.10. SW FRONT END BLOCK REMOVAL

1. Unsolder the four wires (@ - @l shown inFis.2-22.

2. Remove the four screws shown in Fig.2-22.3. Remove the three screws as shown inFig.2-23

and Frg. 2-24.

4. Loosen the two screws marked x' in Fig.2-25which fix the friction disk.

5. Then sw front end block can be removed in thedirection shown by the arrow n Fie.2-26.

from cp(7)ovcwire boardGRY

@pvc wire,BLU fromcp board A

40a

v40TD 4xB

TD 4x8

Fis. 2-22

Fis. 2-23

@ pr" wire, RED @shield wire, BLKfrom cp board from regulator board

$ *"r,u

shield wire, BLK

CIP

Fis. 2-21

-17-

Fis. 2-24

friction disk

Fis. 2-25

2.11. AF CIRCUIT BOARD REMOVAL

1. Remove the three screws which hold thevolume control mounting plate as shown in Fig.2-27.

2. Remove the screw shown in Fig. 2-28 .

3. Remove the af circuit board as shown in Fig.

2-29.

mounting plate,volume control

"i

tapptng screwe P3x8

Fis. 2-28

Fi9.2-29

2.12. REGULATOR CIRCUIT BOARD REMOVAL

l. Remove the two screws shown in Fig. 2-30.2. Loosen the screw marked : and remove the

sensitivity switch connector.3. Unsolder the three wires on the light switch.4. Remove the circuit board in the direction

shown by the arrow in Fig. 2-30.

a

sensitivity switchconnector

k{,!i;

Fig. 2-3O

<,.1

u

!.jA{i;i4

t\JJ, Y'? ft)r. -*-

(r#i

I

I

I

.x.

Fis. 2-27

18

pvc w,reWHT/ORG 3. Remove the eighteen screws shown in Fig.2-34.

4. Remove the four jack nuts.5. Remove the power supply circuit board as

shown in Frg.2-34.

jack nut

v pvc wlteBLU

pvc wreRED

lightswitch

4

V

2.13. POWER SUPPLY CIRCUIT BOARDREMOVAL

l. Unsolder all the wiers on the terminal stripshown in Fig.2-32.

2. Remove the two screws shown in Fig.2-33.

pvc wire from pilot lamp

BLU RED

pvc wire, WHTfrom ac/dc switch

pvc wire, BLUfrom ac pilot lamp

Fis. 2-32

battery checkswitch Fis. 2-31

IAeK2x4

ir.g

tapping rcrewe 83x10

tapp,ng screw@ R3x6

Fis. 2-34

ryry,i

v

_1)

apptn9@R3x6O@

power switchbracket

.&,*

I

Fig. 2-33

- 19 -

Fis. 2-35

2.14. DIAL CORD STRINGING

Dial cord and dial film is shown in Fig.2-36.dial cord Part No. 7-633-120-52

dial cord lll, I2l: FMI/FM2dial cord [3], t4l : MW/LW/SWldial cord t5l, 16l: SW2-SWI9dial cord t7l , tSl : SW2-SWl9 calibrator

2. ltJlt ULWlSt^,l Dial Cord

1531" (4OOmm) ' diat cord [3Jtt4

I7%" (450mm)----- 1diat

cord [4]

z-etS-tZO-SZ 3 turns start

l

3-827-750 3-827-752film, SW2-5W19 fitm, LWMW/SWI

3827-751film, FMl/FM2

Fis. 2-36

1. FMllFMz Dial Cord

aiat cora [iJ- fif"l"Hsomrt#t

-4___!_-lVi'HOOmm#1

e-------\ .-3 1ur* dial iord [2]

eyelet 1.3x2.5

uning shaftat fully clockwise dia! cord [1]position

3. SW2-$r19 Dial Cord

uning shaft;at fully clockwise cord [5]position /-\.,,/l/'

Q-outtev' P'8

cord [2]dial cord [6]

eyelet 1.3x2.5

tuning shaft; at fullYclukwise position

t3l

16%" H2Omd

start diai cord [6]winding drum

3 turns

drum, tension

Fig. 2-37

-20-

Fis. 2-39

4. S1M-Sil19 Tuning Capacitor Driving Cord

String the cord by removing the SW2-SWI9 front endblock from the chassis.

Dial Film Setting

Slll2-S1lU19 Calibrator Dial Cord

I

dial cord [8J

shafl calibraar,'at fully clekwi* paition

dial cord [8J

dial cord [7Jlever 8Fs'y, calibntot

19/37'(lSmm)

Fis. 241

Set the side mark of the film on the film settingposition. After setting the film you must keepthe film with fingers or adhesive tape so tlatthe film does not move.String the dial cord as shown in Fig.2-42(stepO).

3 atrns

-F

step@

film stting puition

Fis. 242

l-6" (taonm) -t- d' (rsond1I

dial cord 7&?3-r2052eyelet 1,3x25

pulleyPA

dtaft, uningcap*itor CV 3tB-3O5

shaft, tuning

drum;atfullyclekwisepaition

cap*itor CV3O|,3O2

Fig. 240

6. Dial Film Setting

l. Set the top of dial film to the film-drum as

slrown in Fig- 242 (step @).2. Set the other end of dial film in the same way

(steP @;'3. Turn the ratchet-wheel four turns in the direc-

tion shown by the arrow Gtep @ ).

iIi'!

I

I

1

l

l

l

l

4.

5.

7" (raomm) _ |

dial cord [7J I

winding drum

4 frtms

^21 -