Sony SRS-A37 Service Manual Download Page 4

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– 8 –

– 7 –

SECTION 3

EXPLODED VIEW

NOTE :

• -XX,  -X mean standardized parts, so they

may have some difference from the original
one.

• Items marked “ * ”are not stocked since they

are seldom required for routine service. Some
delay should be anticipated when ordering
these items.

• The mechanical parts with no reference

number in the exploded views are not
supplied.

• Hardware (# mark) list and accessories and

packing materials are given in the last of this
parts list.

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

1

X-3378-367-1 CABINET (L) ASSY, FRONT (SRS-A47)

3

3-042-813-01 BUTTON (POWER) (SRS-A47)

4

3-042-814-01 KNOB(VOLUME) (SRS-A47)

5

4-969-872-01 SPACER, VOLUME

* 6

A-4542-622-A AMPLIFIER BOARD, COMPLETE

7

1-559-891-31 CORD(WITH PLUG)

8

3-042-809-01 CABINET (L), REAR (SRS-A47)

9

3-046-628-01 SPRING (A), BATTERY RELAY (SRS-A47)

10

3-046-630-01 SPRING, MINUS BATTERY (SRS-A47)

11

3-046-629-01 SPRING (B), BATTERY RELAY (SRS-A47)

12

4-981-128-01 CUSHION

13

3-042-811-01 LID,BATTERY CASE

14

4-941-496-01 TERMINAL, BATTERY (SRS-A47)

15

1-696-003-41 CORD(WITH PLUG)

16

X-3378-368-1 CABINET (R) ASSY, FRONT (SRS-A47)

17

3-042-810-01 CABINET (R), REAR (SRS-A47)

SP1

1-505-851-11 SPEAKER (L-CH)

SP2

1-505-851-11 SPEAKER (R-CH)

not supplied

not supplied

#1

#1

#2

#2
#2

#1

#1

#2

#2

#2

SP1

SP2

1

3

4

5

6

7

8

9 12

13

10

11

not supplied

not supplied

not supplied

14

15

16

17

NOTE :

• Due to standardization, replacements in the

parts list may be different from the parts
specified in the diagrams or the components
used on the set.

• -XX,  -X mean standardized parts, so they

may have some difference from the original
one.

• RESISTORS

All resistors are in ohms
METAL : Metal-film resistor
METAL OXIDE :Metal oxide-film resistor
F : nonflammable

• Items marked “ * ”are not stocked since

they are seldom required for routine service.
Some delay should be anticipated when
ordering these items.

• SEMICONDUCTORS

In each case, u : 

µ

, for example :

uA.... : 

µ

A.... , uPA.... : 

µ

PA....

uPB.... : 

µ

PB.... , uPC.... : 

µ

PC....

uPD.... : 

µ

PD....

• CAPACITORS

uF : 

µ

F

• COILS

uH : 

µ

H

• Abbreviation

SP

: Singapore

AUS

: Australian

HK

: Hong Kong

C&SA : Central and South America

Les composants identifiés par une
marque 

0

 sont critiques pour la sécurité.

Ne les remplacer que par une pièce
portant le numéro spécifié.

When indicating parts by reference num-
ber, please include the board.

The components identified by mark 

0

or dotted line with mark 

0

 are critical

for safety.
Replace only with part number specified.

SECTION 4

ELECTRICAL PARTS LIST

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

*

A-4542-622-A AMPLIFIER BOARD, COMPLETE

**************************

< CAPACITOR >

C1

1-162-294-31 CERAMIC

0.001uF

10%

50V

C2

1-126-956-91 ELECT

0.1uF

20%

50V

C3

1-162-294-31 CERAMIC

0.001uF

10%

50V

C4

1-126-956-91 ELECT

0.1uF

20%

50V

C5

1-126-964-11 ELECT

10uF

20%

50V

C6

1-126-964-11 ELECT

10uF

20%

50V

C7

1-126-964-11 ELECT

10uF

20%

50V

C8

1-162-294-31 CERAMIC

0.001uF

10%

50V

C9

1-104-665-11 ELECT

100uF

20%

10V

C10

1-104-665-11 ELECT

100uF

20%

10V

C11

1-137-423-11 MYLAR

0.15uF

5%

50V

C12

1-124-239-00 ELECT

6.8uF

20%

10V

C13

1-126-933-11 ELECT

100uF

20%

16V

C14

1-104-665-11 ELECT

100uF

20%

10V

C15

1-104-665-11 ELECT

100uF

20%

10V

C16

1-137-423-11 MYLAR

0.15uF

5%

50V

C17

1-126-935-11 ELECT

470uF

20%

6.3V

C18

1-162-294-31 CERAMIC

0.001uF

10%

50V

C19

1-104-665-11 ELECT

100uF

20%

10V

C20

1-104-665-11 ELECT

100uF

20%

10V

C21

1-137-423-11 MYLAR

0.15uF

5%

50V

C22

1-162-306-11 CERAMIC

0.01uF

30%

16V

C23

1-126-935-11 ELECT

470uF

20%

16V

C24

1-124-239-00 ELECT

6.8uF

20%

10V

C25

1-126-933-11 ELECT

100uF

20%

16V

C26

1-104-665-11 ELECT

100uF

20%

10V

C27

1-104-665-11 ELECT

100uF

20%

10V

C28

1-162-294-31 CERAMIC

0.001uF

10%

50V

C29

1-137-423-11 MYLAR

0.15uF

5%

50V

C30

1-126-935-11 ELECT

470uF

20%

6.3V

C31

1-162-294-31 CERAMIC

0.001uF

10%

50V

< DIODE >

D1

8-719-911-19 DIODE   1SS119

D2

8-719-911-19 DIODE   1SS119

D3

8-719-819-41 LED   LED04HD (POWER)

< IC >

IC1

8-759-512-88 IC   TEA2025B

IC2

8-759-512-88 IC   TEA2025B

< JACK >

JK1

1-566-822-11 JACK (R OUT)

JK2

1-569-966-11 JACK, DC (DC IN 9V)

< TRANSISTOR >

Q1

8-729-205-83 TRANSISTOR   2SC2458L-GR

Q2

8-729-205-83 TRANSISTOR   2SC2458L-GR

< RESISTOR >

R1

1-247-843-11 CARBON

3.3K

5%

1/4W

R2

1-249-430-11 CARBON

12K

5%

1/4W

R3

1-247-838-00 CARBON

2K

5%

1/4W

R4

1-249-407-11 CARBON

150

5%

1/4W

R5

1-249-429-11 CARBON

10K

5%

1/4W

R6

1-249-429-11 CARBON

10K

5%

1/4W

R7

1-247-843-11 CARBON

3.3K

5%

1/4W

R8

1-249-430-11 CARBON

12K

5%

1/4W

R9

1-247-838-00 CARBON

2K

5%

1/4W

R10

1-249-407-11 CARBON

150

5%

1/4W

R11

1-249-429-11 CARBON

10K

5%

1/4W

R12

1-249-417-11 CARBON

1K

5%

1/4W

R13

1-249-422-11 CARBON

2.7K

5%

1/4W

R14

1-249-422-11 CARBON

2.7K

5%

1/4W

R15

1-247-806-11 CARBON

91

5%

1/4W

R16

1-249-385-11 CARBON

2.2

5%

1/6W

R17

1-247-806-11 CARBON

91

5%

1/4W

R18

1-249-385-11 CARBON

2.2

5%

1/6W

R19

1-249-429-11 CARBON

10K

5%

1/4W

< VARIABLE RESISTOR >

RV1

1-227-173-11 RES, VAR (VOLUME)

< SWITCH >

S1

1-692-040-21 SWITCH, PUSH (1 KEY) (POWER)

**************************************************************

AMPLIFIER

MISCELLANEOUS

**************

15

1-696-003-41 CORD (WITH PLUG)

SP1

1-505-851-11 SPEAKER (L-CH)

SP2

1-505-851-11 SPEAKER (R-CH)

**************************************************************

ACCESSORIES & PACKING MATERIALS

********************************

0

1-465-817-31 ADAPTOR, AC (AC-S906) (SRS-A47:AEP,SP)

0

1-467-852-12 ADAPTOR, AC (SRS-A47:AUS)

0

1-473-582-11 ADAPTOR, AC (AC-S911) (SRS-A47:UK,HK)

0

1-693-029-11 ADAPTOR, AC (AC-S906) (SRS-A47:C&SA)
3-044-669-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,

GERMAN,ITALIAN,SPANISH,DUTCH,SWEDISH,

PORTUGUESE) (SRS-A37)

3-044-670-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,

GERMAN,ITALIAN,SPANISH,DUTCH,SWEDISH,

PORTUGUESE) (SRS-A47)

**************************************************************

**************

HARDWARE LIST

**************

#1

7-685-645-79 SCREW +BVTP 3X6 TYPE2 N-S

#2

7-685-648-79 SCREW +BVTP 3X12 TYPE2 N-S

Ref. No.

Part No.

Description

Remark

SRS-A37/A47

9-927-650-11

Sony Corporation

Personal Audio Division Company

2000A0280-1

Printed in Japan  © 2000.1

Published by General Engineering Dept.

The components identified by
mark 

!

 or dotted line with mark

!

 are critical for safety.

Replace only with part number
specified.

Les composants identifiés par une
marque 

!

 sont critiques pour

la sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.

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