1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 10-Apr-2002 Sheet of File: E:\PCB\Protel PCBS\9351_4.Ddb Drawn By:

HCM65R Preamp

9351 41 19351_4.Sch

Rich Thompson

SK1

MJACK

SK3SJACK

C14N7 100V

C4

47P

50V

R110K

R101MGG

G

G G

U1ATL072

U1BTL072

R16

22K

R144K7

G

+15v

-15V

C9

10N 100V

C12

100N 63V

R24

100K

1 2

147

U5A

CD4069UBE

Q12N3819

R25100K

C13

10N 100V

G

R35

47K

R11

1M

3 4

U5B

CD4069UBE

VR1A

100K

A6S

D

VR1B

100KA6SD

C14100N 63V

C15100N 63V

C23

22N 100V

G

R1747K

R12

1M

R26

220K5 6

U5C

CD4069UBE

9 8

U5D

CD4069UBE

R13

1M

C5

47P 50V

C11

3N3 50V

R383K3

C29

220N 63V

C32

220N 63V

C20

100N 63V

VR6

22KB6S

VR2

100KA6S

VR9

2K2B6S

G

U2ATL072

-15V

+15V

R210K

R3

10KSW1B

2P2WPS

G

SW1A2P2WPS

R5

10KR6

10K

R4010K

R1515K

R4515K

R1822K

C24100N 63V

C254N7

100V

U2BTL072

G G

C1647N 100V

VR3100KA6S

G

R46

220K

R47

220K

C6

47P 50V

U4ATL072

Q22N3819

+15V

-15V

G

R33

100K

R28

100K

C7

47P 50V

U4BTL072

G

Bot

Top

G

SK2

PHONOSTV

R19

22K

D2

1N4148

D3

1N4148

+15V

-15V

D51N4148

D11N4148

G

R29100K

R710K

R21

33K

C10

3N3 50V

R393K3

C31

220N 63V

C30

220N 63V

C17

100N 63V

VR7

22KB6S

VR4

100KA6S

VR8

2K2B6S

G

G

G

C18

100N 63V C331N 100V

VR5

100KA6S

R32

220K

Q32N3819

G D41N4148

C21100N 63V

R31

100KR30100K

R50

470K

R910K

R41

1KD73V9 ZD0.5W

SW2B2P2WPS

SW2A2P2WPS

G

-15V R492K2

TS1BC307

TS2BC307

D6LED3MMG

-15V

G

G

C19100N 63V

G

G

G

G

R20

22K

G

R810K

-15V

U3ATL072 U3B

TL072

R48

100R

R37

100K

R421K

C34

270P 250V

C2622N 100V

R5139K

G G

12

HD1

HD

2WL 1

2

HD2

HD

2WLG

G

R2222K

R23

10K

C3

4N7

100V

R431K

C351U 63V

C22100N 63V

R441KVR104K7B6S

GG

G

G

R52

330K

C28

2N2 100V

12

34

56

HD3

HD6WL R53

560R 5WR54

560R 5WD9

15V ZD1.3W

D815V ZD1.3W

C3647U 50V

C3747U 50V

+15V

-15V

G G

G G

G

+15V

-15V

D101N4148

D11

1N41

48

+15V

-15V

C8

2U2 63V

R55

150K

R57

1K

C392U2 63V

R56100K

G

C38270P 250V

Input

Clean Channel

Treble

Mid

Bass

Drive Channel

Treble

Bass

Mid

Tape/CD In

Max On/Off

Master Volume

Reverb Spring Line

Reverb Level

To PCB 9353Output PCB

FootSwitch

Channel Select

Drive On

SK4MJACK

SK5MJACK

G

G

Send

Return

FX Loop

R584K7

-15V

R364K7

D12LED3MMR

G Power

LN10R0

LN20R0

+15V

R3001K

D3005V1 ZD0.5W

G

C300470U 16V

G

VDD

VDD

G

LN50R0

LN90R0

LN100R0

LN110R0

LN120R0

LN130R0

LN140R0

C400100N 63V

C401100N 63V

G

G

C200

1N 100V

NOTE: All capacitors to be rated at 16V or higher

NOTE: All resistors to be 1/4W unless otherwise stated

R2006K8

LN15

1 2 3 4 5 6 7 8

A

B

C

D

87654321

D

C

B

A

Title

Number RevisionSize

A3

Date: 10-Apr-2002 Sheet of File: E:\PCB\Protel PCBS\9353_2.ddb Drawn By:

65W Output PCB

9353 21 19353_2.sch

Rich Thompson

BLTIndustries

D3

1N5404D4

1N5404

D6

1N5404

D5

1N5404

D21N4007

P7PAD3P8PAD3P9PAD3

C133300U 50V

C143300U 50V

R51K

G

Chassis

+28V

-28V

R114K7

R12

47KD1

1N4148C54U7 63V

C7100U 25V

R1522K

R14

10K

G

G

R2

1KR1310K

R3

10K

R1

100R

C222UF 50V

C9100N 100V

C10100N 100V

-28V

+28V

R1710R 2W5

G

C11100N 100V

SK2MJACK

R4

2K2

R6

47R

G

G

SK1SJACK

R747RC4

47N 100V

G G

SP2SPADE4.8

SP1SPADE4.8

Fit on HCM65R Only

LN10R0

G

Fit on HCM65B Only

12

34

56

HD1

HD6WL

C6

1U 63V

R9100K

HC

M65

B O

nly+28V-28V

To Preamp PCB

To Loudspeaker +V

To Loudspeaker -V

External Loudspeaker

HeadPhones

+VI +VP

-VI -VP

-IN+INGIN

STBYMUTEMSGND

BS

OUT

1109

432

7 13

14

6

U1

TDA7294

LN20R0

LN30R0

Link to chassis

LN40R0

LN50R0

LN80R0

C310N 100V

R10

470R

0.5

W

R80R47 5WFPC

h1

h2

hs1

Gi

Gi GiGi

Gi

Gi

Gi

LN100R0

h8

C8470P 250V

C1

47U 50V

Gmu

Gmu

LN110R0

Note:HCM65B, R4=47R, C3=2µ2FHCM65R, R4=2K2, C3=10nF

TX

TRANS4

F1

FUSE

Mains SwitchMains In

Brown

Green/Yellow

BlueChassis

Transformer Primary

AC Line(Live) (White)

AC Input (Neutral) (Black)

These items not on pcb

IEC Inlet

Fuse Integral to IEC

230V = F1A L115V = T2A L

(Red)

(Red)

(Black)

FP Flame proof resisterMust only be replaced with same type and rating

Indicates safety critical componentMust only be replaced with approved type

No:5600-003147