CFD-V20 (serv.man3) - Sony Audio Service Manual (repair manual). Page 2

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The main board, SW board, power board, AC inlet board, mega bass board, REC SW board, M/B SW board and BATT board have
been changed.
Printed wiring boards and schematic diagram of new type, and changed parts list are described in this Supplement-1.
Refer to original service manual (9-923-135-41) previously issued for the other information.

– MAIN BOARD (Component side) –

– BATT BOARD –
 (Component side) 

– MEGA BASS BOARD –

 (Component side) 

– REC SW BOARD –

 (Component side) 

– M/B SW BOARD –

(Component side) 

– AC INLET BOARD –
 (Component side) 

– POWER BOARD –
 (Component side) 

1-665-558-

13 

(C&SA model)

1-665-558-

 (AUS, SP model)

1-665-564-

       

(C&SA model)

1-665-564-

     (AUS, SP model)

1-665-563-

       

(C&SA model)

1-665-563-

     (AUS, SP model)

1-665-559-

13 

          (C&SA model)
1-665-559-

      (AUS, SP model)

1-665-562-

13 

          (C&SA model)
1-665-562-

      (AUS, SP model)

1-665-561-

          (C&SA model)
1-665-561-

      (AUS, SP model)

1-665-560-

13 

         (C&SA model)
1-665-560-

      (AUS, SP model)

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21

22

23

24

25

26

27

28

29

30

2

3

5

4

6

7

8

9

10

1

11

12

13

14

15

16

17

18

19

20

31

32

BIAS

13.3K

13.3K

13.3K

13.3K

LEVEL SHIFT

LEVEL SHIFT

LEVEL SHIFT

LEVEL SHIFT

REGULATOR

BIAS

T.S.D.

MONITOR

T.S.D

OP-AMP

VCC

VCC

D.BUF

D.BUF

D.BUF

D.BUF

D.BUF

D.BUF

D.BUF

10K

10K

10K

10K

10K

50K

50K

REGULATOR

100

DRIVER

MUTE

GND

VCC

FIN

F+

F–

VREF

SPI

SPO

GND

SP+

SP–

SPIN

GND

NC

NC

VCC

TIN

T–

T+

GND

VREF

COM5V

MUTE

REG

SL+

SL–

SLIN

RST

GND

• Abbreviation

AUS : Australian
SP

: Singapore

C&SA : Central & South America

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