SA-WM40 — Sony Audio Service Manual (repair manual). Page 7

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7
7
SA-WM40
R505
R504
R503
R506
R553
R554
R502
R507
R508
C501
C502
R501
D504
D506
D505
D503
R512
C504
D502
R547
R548
R513
C505
D501
R510
R539
R537
IC501(1/2)
IC502(1/2)
C507
R608
R610
R602
C601
C603 R605
R604
C604
R603
Q603
Q606
R618
C618
R601
C602
R609
Q602
Q601
Q604
Q605
R617
R646
R647
R643
Q607
R621
R622
R623
R624
R613
R614
C605
R612
Q609
Q614
Q613
Q612
R662
R661
C623
R6
58
C615
C621
R640
R641
R645
C620
R649
R652
IC507(2/2)
R648
R651
R650
R657
C616
C808
D822
C809
D821
C807
C803
R655
R654
R656
C611
C619
D819
D820
C801
D803
D804
D817
D818
D802
D801
C524
IC505(2/2)
R538
D510
R541
C525
IC505(1/2)
R544
R511
C517
C508
R517
R515
C509
C510
R518
C513
R523
R522
IC504(2/2)
R528
R529
R530
R532
D507
D508
C526
R525
C527
C802
R660
D606
BC804
CN804
BC803
CN803
D810
C812
C811
BC806
BC851
BC551
BC503
D553
R561
R562
R560
R625
IC508(1/2)
R533
IC506(2/2)
R616
R653
R514
C514
TM501
R509
BC603
CN603
R611
IC502(2/2)
C506
R549
IC501(2/2)
CN501
VR501
R516
C515
SW501
C518
IC503(2/2)
IC506(1/2)
R531
R519
VR502
R543
R545
D509
Q503
Q505
R555
Q611
IC507(1/2)
R606
R615
C608
R607
Q608
C617
SP601
R659
F801
D
605
S851
BC802
T801
T851
Q557
Q558
D552
Q802
Q801
R803
R804
C503
C512
C511
R527
IC508(2/2)
BC501
R521
IC504(1/2)
R557
R556
RLY601
JK501
RLY801
CN801
BC801
R540
C516
R520
Q504
S502
R542
D601
D602
R663
R642
BC602
IC503(1/2)
C519
Q610
R526
C852
C851
C810
C804
R644
R546
4.7k
1/2W
10k
10k
4.7k
1/2W
2.2k
2.2k
10k
1k
1k
10
50V
220p
10k
1SS133T
1SS133T
1SS133T
1SS133T
680
220p
1SS133T
15k
22k
6.8k
220p
1SS133T
39k
1k
10k
4558
4558
0.01
22k
100k
47k
0.12
2200p 180
15k
100p
330
2SA1175
2SA1145
47k
4p
4.7k
1
50V
1k
2SA1174
2SA1174
2SC2785
2SC2785
10
10k
15k
10k
2SC1815
0.39
2W
0.39
2W
0.39
2W
0.39
2W
1k
330
1000p
2.7k
MN2488
DTC124ES
2SC2785
2SC2784
2.7k
10k
0
.01
22k
220
6.3V
0.047
0.39
2W
0.39
2W
1.8k
1000p
4.7k
16k
4558
2.2k
10k
10k
22k
4.7
25V
10
35V
MTZJ138
10
35V
MTZJ138
10
35V
220
25
100k
56k
100k
0.047
0.1
1SR139
1SR139
6800
71V
1N5402
1N5402
1SR139
1SR139
1N5402
1N5402
22
25V
4558
470k
1SS133T
1M
220
16V
4558
1M
68k
0.01
10
50V
10k
10k
0.27
0.27
5.6k
0.033
6.8k
6.8k
4558
10k
10k
10k
10k
1SS133T
1SS133T
0.22
15k
0.1
6800
71V
12k
1SS133T
2P
2P
3P
3P
1SS133T
0.047
0.047
2P
2P
3P
3P
1SS133T
2.2k
2.2k
1k
10 1/2W
4558
10k
4558
10
22k
39k
0.82
47k
6P
6P
150
4558
0.01
33k
4558
5P
20K
10k
10
50V
0.01
4558
4558
10k
56k
20K
100k
10k
1SS
133T
DTC124ES
DTC124
22k
2SC2785
4558
180
47
47
10V
180
2SC2705
100
35V
1.8k
2W
T1AL
250V
1SS
133T
2P
DTA124ES
DTA124ES
SML7242CTH8F
2SA1015
2SC1815
2.2k
2.2k
220p
0.39
0.39
100
4558
5P
15k
4558
4.7k
4.7k
3P
3P
220k
10
50V
15k
2SA1175
100k
1SS133
1SS133
1k
680
2P
4558
10
50V
MP1620
1k
0.01
250V
0.01
250V
10
35V
220
25V
2k
10k
(CHASSIS)
SPEAKER
IN
OUT
L
R
IN
OUT
LINE
FINAL
DRIVE
BIAS
1
3
2
4
5
6
8
7
(2/2)
BUFFER
(1/2)
LINE AMP
(1/2)
MIX AMP
LIMITER AMP
(2/2)
6
5
7
4
1
2
3
8
LEVEL
3
1
2
2
3
1
4
PHASE
NORMAL
REVERSE
6
5
8
7
8
3
2
1
6
5
4
7
6
5
4
7
8
1
3
2
8
1
3
2
4
7
5
6
FILTER AMP
FILTER AMP
(2/2)
(1/2)
BUFFER
BASS BOOST AMP
(1/2)
(2/2)
HIGH-PASS FILTER
3
4
5
1
2
OUT OFF FREQ
VR502
6
5
8
7
4
1
3
2
POWER SAVE
SWITCH
DETECT
AUDIO SIGNAL
LEVEL SHIFT
(1/2)
(2/2)
COMPARATOR
RELAY DRIVE,
SELECT
LED COLOR
POWER SAVE
OFF
AUTO
DRIVE
RELAY
POWER ON
MUTING
Q613,614
OVER LOAD
DETECT
BUFFER
4
1
3
2
6
5
8
7
Q604,605
CURRENT MIRROR
REGULATOR
CURRENT
Q601,602
PRE DRIVE
REGULATOR
CURRENT
Q603,606
POWER
AC IN
POWER TRANSFORMER
POWER TRANSFORMER
LED DRIVE
(GREEN)
LED DRIVE
(RED)
POWER
+12V REGULATOR
-12V REGULATOR
FILTER
LOW-PASS
FINAL DRIVE
2-5.
SCHEMATIC  DIAGRAM (Except US, Canadian models)
 See page 3 for Note on Schematic Diagram.
The components identified by mark 
0
 or dotted
line with mark 
0
 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque 
0
 sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
Ver 1.2
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