Sony SA-WM40 Service Manual page 6

SA-WM40
Ver 1.2
2-4. PRINTED WIRING BOARDS (Except US, Canadian models) •
1
• Semiconductor
Location
Ref. No. Location
A
D501 A-2
MAIN BOARD
D502 B-2
D503 D-2
D504 C-2
D505 C-2
C501
D506 C-2
JK501
R507
D507 B-8
LINE
C502
D508 B-9
IN OUT R508
D509 E-2 B
D510 F-2
D552 D-11
D553 B-11
D601 F-2
D602 E-3
D605 F-4
D504
D606 G-2
D801 I-3
C
D802 I-3
TM501
C503
D803 I-2
SPEAKER
D804 I-2
D810 H-11 IN OUT
D817 B-4
D818 B-4
D819 B-4
+ +
D820 B-4
D821 B-4
D
L
D822 B-4
TM501
– –
IC501 C-2
IC502 B-2
IC503 B-7
IC504 C-7
IC505 E-2 – –
IC506 B-8
E
IC507 C-4
R
IC508 C-8
+ +
Q503 E-2
Q504 F-2
Q505 E-2
Q557 B-11
Q558 B-11
C525
Q601 E-4
F
Q602 E-4
Q603 E-4
Q604 E-3
SW502
SW502
Q605 E-3
POWER SAVE
Q606 F-3
AUTO
Q607 D-7
OFF
Q608 F-3
Q609 D-8
Q610 D-9 G
Q611 G-3
Q612 G-3
Q613 G-3
Q614 G-3
R660
Q801 B-3
Q802 B-4
H
(CHASSIS)
3
I
2 3 4
R509
D501
3 1
1 5
CN501 BC803
C519
D820
D817
D502
+
4 5
D818
D819
1 8 C803 C804
C524 + +
JW5
R510
D821 D822
B B Q802
JW6
R539
C C
Q801
R537
R514 C807
+ +
D506
C808
E E
R547
R512
C809 C810
R661
+ +
4 5
R513 JW2
C623
IC507
1 8
R504
R651
IC501 4 5
D505
R503
1 8
D503
R652
C621
R647
R553
JW14
R554
JW3
C602
JW15
Q505
R602
R601
E B
C
C601
JW7
C608
Q601
R555 R609
E E
Q605 B B
4 5
C C
R543
C C
IC505
B B
E E
Q604
Q602
1 8
Q503 D602
B
D509
Q603
R538 C
E C B
Q504
E
C611
C604
B C E D601
R542
R541
R540 C R611
B
E B E
D510
C
JW4
Q606
Q608
R659
RLY601
R658
JW8
Q614
D605
E B
Q613
C C
C615
B E
R641
R654
B
B
6 1
C
CN603
C
JW18 E
R655
E
R640
Q612
C616
Q611
D606 +
C617
C802
C801
1 CN801
JW11
1
D803 D801
1 2 2
CN804
BC602
JW27
D804 D802
BC503
5 1
1-686-498-
See page 3 for Note on Printed Wiring Boards. • See page 3 for Circuit Boards Location.
5 6 7
CONTROL BOARD
VR501
LEVEL
VR501
3 1
R516
C508
C515 C517
R515 C513
R523
C509
8 1
R522
C518
R518
5 4 8
+
C510
C516
R519
C511
BC501 5
5 1 R521
JW17 JW12
POWER TR BOARD
C
E B
Q610
Q607
R622
JW23
R624
6
PS BOARD
BC801
3 POWER TRANSFORMER
C811
1
C812
SP601
11
(11)
6 6
8 9 10
SW501 VR502
PHASE CUT OFF FREQ
SW501 VR502
5 1
R556
R528
IC506
D507
8 1 D508
R532
R531
R529
R530
R526
5 4
1 C526
R527
8 1
R557
R525
11
4
C527
5 4
(11)
1-677-925-
IC508
D552, S851
POWER
C
B
E
C E B
Q609
JW21
R621
JW22
JW20
11
R623
BC603
1
(11)
1-677-927-
T801
JW24
JW26
JW25
1 2
BC802
2 1
BC806
AC IN
11 12
POWER SW CE BOARD
B C E E C B
3
Q558 Q557
1
BC551
D553
2
BC851
C852
1
S851
R560
11
D552
(11)
T851
POWER TRANSFORMER
1
3
CN803
RLY801
2
1
BC804
D810
C851
11
F801
(11)
1-686-501-