Sony SRS-A45 / SRS-PC45 Service Manual ▷ View online
2-2.
SCHEMATIC DIAGRAM
– 7 –
• IC Block Diagrams
IC1
LH4600
IC2
YSS247-EE2
– 9 –
SECTION 3
EXPLODED VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
electrical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(1) CABINET SECTION (L)
1
X-4949-315-1 CABINET (L) ASSY, FRONT (SRS-PC45)
1
X-4949-316-1 CABINET (L) ASSY, FRONT (SRS-A45)
2
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
3
3-555-858-01 CUSHION (25X15X0.5)
4
7-685-648-79 SCREW +BVTP 3X12 TYPE2 N-S
5
4-981-125-01 SPRING, BATTERY COIL
6
4-967-264-01 SPRING (MINUS), BATTERY COIL
7
4-902-509-01 CUSHION, F
8
4-981-121-11 LID, BATTERY CASE (SRS-PC45)
8
4-981-121-31 LID, BATTERY CASE (SRS-A45)
9
4-982-232-01 SHEET, BLIND
10
4-981-119-41 CABINET (L), REAR (SRS-PC45)
10
4-981-119-51 CABINET (L), REAR (SRS-A45)
11
2-143-931-01 TERMINAL, PLUS BATTERY
* 12
1-667-918-12 AMPLIFIER BOARD
13
2-141-216-01 SPACER (VOL)
14
4-981-127-31 BUTTON (BUS)
15
4-981-123-11 KNOB (VOLUME) (SRS-PC45)
15
4-981-123-31 KNOB (VOLUME) (SRS-A45)
16
4-981-124-11 BUTTON (POWER)
(SRS-PC45: Canadian, AEP, UK, E, Singapore,
Hong Kong)
16
4-981-124-31 BUTTON (POWER) (SRS-A45/PC45: US)
17
4-981-856-01 FOOT, RUBBER
18
4-981-128-01 CUSHION
P1
1-559-891-31 CORD (WITH PLUG) (L-CH) (SRS-A45)
P1
1-559-891-41 CORD (WITH PLUG) (L-CH) (SRS-PC45)
SP1
1-505-808-11 SPEAKER (L-CH)
(AEP, UK, Singapore, Hong Kong)
SP1
1-505-813-11 SPEAKER (L-CH) (US, Canadian, E)
2
2
3
9
7
16
14
15
13
12
11
10
18
8
6
5
4
5
17
1
SP1
P1
4
– 10 –
51
X-4949-313-1 CABINET (R) ASSY, FRONT (SRS-PC45)
51
X-4949-317-1 CABINET (R) ASSY, FRONT (SRS-A45)
52
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
53
7-685-648-79 SCREW +BVTP 3X12 TYPE2 N-S
54
4-981-856-01 FOOT, RUBBER
55
4-981-120-41 CABINET (R), REAR (SRS-PC45)
55
4-981-120-51 CABINET (R), REAR (SRS-A45)
P2
1-769-080-11 CORD (WITH PLUG) (R-CH) (SRS-A45)
P2
1-775-692-21 CORD (WITH PLUG) (R-CH) (SRS-PC45)
SP2
1-505-808-11 SPEAKER (R-CH)
(AEP, UK, Singapore, Hong Kong)
SP2
1-505-813-11 SPEAKER (R-CH) (US, Canadian, E)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(2) CABINET SECTION (R)
53
53
55
52
52
SP2
P2
51
54
– 11 –
SECTION 4
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
NOTE:
• Due to standardization, replacements in the
parts list may be different from the parts speci-
fied in the diagrams or the components used
on the set.
fied in the diagrams or the components used
on the set.
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• RESISTORS
All resistors are in ohms.
METAL: Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F: nonflammable
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 order-
ing these items.
Some delay should be anticipated when order-
ing these items.
• SEMICONDUCTORS
In each case, u: µ, for example:
uA. .
uA. .
: µA. .
uPA. . : µPA. .
uPB. .
: µPB. .
uPC. . : µPC. .
uPD. .
: µPD. .
• CAPACITORS
uF: µF
• COILS
uH: µH
Ref. No.
Part No.
Description
Remark
AMPLIFIER
Les composants identifiés par une
marque
marque
! sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le neméro spécifié.
Ne les remplacer que par une pièce
portant le neméro spécifié.
The components identified by
mark
mark
! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
specified.
When indicating parts by reference
number, please include the board.
number, please include the board.
*
1-667-918-12 AMPLIFIER BOARD
****************
1-533-225-12 HOLDER, FUSE (US)
7-685-645-79 SCREW +BVTP 3X6 TYPE2 N-S
7-685-645-79 SCREW +BVTP 3X6 TYPE2 N-S
< CAPACITOR >
C1
1-163-009-11 CERAMIC CHIP
0.001uF
10%
50V
C2
1-126-964-11 ELECT
10uF
20%
50V
C11
1-163-127-00 CERAMIC CHIP
270PF
5%
50V
C12
1-104-550-11 FILM CHIP
0.0082uF 5%
16V
C13
1-107-498-11 FILM CHIP
0.0022uF 2%
50V
C14
1-115-185-11 CERAMIC CHIP
0.033uF
10%
50V
C15
1-126-964-11 ELECT
10uF
20%
50V
C16
1-163-009-11 CERAMIC CHIP
0.001uF
10%
50V
C22
1-163-038-91 CERAMIC CHIP
0.1uF
25V
C23
1-126-966-11 ELECT
33uF
20%
16V
C24
1-126-964-11 ELECT
10uF
20%
50V
C25
1-126-964-11 ELECT
10uF
20%
50V
C27
1-126-933-11 ELECT
100uF
20%
16V
(SRS-PC45)
C26
1-126-767-11 ELECT
1000uF
20%
16V
C28
1-163-017-00 CERAMIC CHIP
0.0047uF 5%
50V
C29
1-126-962-11 ELECT
3.3uF
20%
50V
C51
1-126-942-61 ELECT
1000uF
20%
25V
C53
1-163-038-91 CERAMIC CHIP
0.1uF
25V
C54
1-104-665-11 ELECT
100uF
20%
25V
C55
1-126-964-11 ELECT
10uF
20%
50V
C56
1-124-252-00 ELECT
0.33uF
20%
50V
C57
1-126-956-91 ELECT
0.1uF
20%
50V
C58
1-126-964-11 ELECT
10uF
20%
50V
C59
1-126-964-11 ELECT
10uF
20%
50V
C60
1-163-038-91 CERAMIC CHIP
0.1uF
25V
C61
1-163-038-91 CERAMIC CHIP
0.1uF
25V
C62
1-104-664-11 ELECT
47uF
20%
25V
C63
1-163-038-91 CERAMIC CHIP
0.1uF
25V
C64
1-163-038-91 CERAMIC CHIP
0.1uF
25V
C66
1-163-038-91 CERAMIC CHIP
0.1uF
25V
C101
1-163-009-11 CERAMIC CHIP
0.001uF
10%
50V
C102
1-126-964-11 ELECT
10uF
20%
50V
C111
1-163-127-00 CERAMIC CHIP
270PF
5%
50V
C112
1-104-550-11 FILM CHIP
0.0082uF 5%
16V
C113
1-107-498-11 FILM CHIP
0.0022uF 2%
50V
C114
1-115-185-11 CERAMIC CHIP
0.033uF
10%
50V
C115
1-126-964-11 ELECT
10uF
20%
50V
C116
1-163-009-11 CERAMIC CHIP
0.001uF
10%
50V
C122
1-163-038-91 CERAMIC CHIP
0.1uF
25V
C123
1-126-966-11 ELECT
33uF
20%
16V
C124
1-126-964-11 ELECT
10uF
20%
50V
C125
1-126-964-11 ELECT
10uF
20%
50V
C126
1-126-767-11 ELECT
1000uF
20%
16V
C127
1-126-933-11 ELECT
100uF
20%
16V
(SRS-PC45)
C128
1-163-017-00 CERAMIC CHIP
0.0047uF 5%
50V
C129
1-126-962-11 ELECT
3.3uF
20%
50V
< DIODE >
D1
8-719-800-76 DIODE 1SS226
D2
8-719-812-26 LED TLR226 (POWER)
D51
8-719-105-57 DIODE RD3.9M-B1
D101
8-719-800-76 DIODE 1SS226
< FUSE >
FU1
1-532-744-11 FUSE 2.5A 125V (US)
< IC >
IC1
8-759-452-80 IC LA4600
IC2
8-759-488-25 IC YSS247-EE2
IC3
8-759-708-05 IC NJM78L05A
< JACK >
JK1
1-566-822-21 JACK (OUTPUT R)
JK2
1-695-619-11 JACK, DC (DC IN 15V)
JK3
1-566-822-21 JACK (INPUT 2) (SRS-PC45)
JK4
1-566-822-21 JACK (AUDIO OUTPUT) (SRS-PC45)
< CHIP CONDUCTOR >
JW1
1-216-295-00 CONDUCTOR (CHIP)
JW101
1-216-295-00 CONDUCTOR (CHIP)
< TRANSISTOR >
Q1
8-729-230-49 TRANSISTOR 2SC2712-YG
Q101
8-729-230-49 TRANSISTOR 2SC2712-YG
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