Read Sony SA-WVS200 / SA-WVS300 Service Manual online
SA-WVS200/WVS300
4
4
SA-WVS200/WVS300
1-2. SCHEMATIC DIAGRAM – PRI AMP SECTION –
R512
R514
R511
R513
Q401
D404
C402
D401
R401
Q402
D403
D402
R404
R406
R402
R405
R407
R408
R409
R410
C820
C514
C515
IC505(2/2)
C512
C513
R524
R523
D502
D501
R525
R526
IC506(1/2)
R527
R528
IC506(2/2)
R530
R529
R521
R522
R520
R519
R518
VR502
C509
C508
R517
R515
R516
C506
Q501
R509
R508
C505
R507
C504
R505
VR501
R506
R531
R504
IC503(1/2)
C503
R503
C501
R502
R501
J501
IC503(2/2)
IC505(1/2)
R807
D815
C520
R806
D814
BC506
IC504(2/2)
IC504(1/2)
IC501(2/2)
IC501(1/2)
IC502(1/2)
R403
IC502(2/2)
Q403
Q404
Q405
Q804
Q803
C516
C517
C510
C502
C816
C818
C819
C821
C519
C817
S501
S401
C511
BC504
470k
15k
2.2k
2.2k
DTC124ES
1SS133
330
16V
16V
1SS133
100k
2SA1175
1SS133
1SS133
100k
1M
10k
10k
10k
1k
2.2k
2.2k
47
25V
0.1
0.1
BA4558
0.056
0.22
8.2k
8.2k
1SS133
1SS133
15k
2.7k
BA4558
10k
10k
BA4558
2.7k
15k
1k
15k
10k
10k
10k
20KB
0.22
0.22
4.7k
10k
68k
0.047
2SC2785
39k
3.3k
0.22
1k
0.22
1k
5KB
0
6.8k
10k
BA4558
220p
100k
220p
100k
1k
1P
BA4558
BA4558
3.3k
MTZJ-13B
0.1
3.3k
MTZJ-13B
BA4558
BA4558
BA4558
BA4558
BA4558
10k
BA4558
DTC124ES
RELAY DRIVE
DTA124ES
LED DRIVER
DTA124ES
LED DRIVER
2SA1015
-12V REG
2SC1815
+12V REG
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
47
25V
10
50V
10
50V
10
50V
7P
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
5
6
7
8
5
6
7
8
5
6
7
8
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
LEVEL
BASS
BOOST
POWER AMP
BOARD
AUTO POWER
BOARD
LPF
PHASE SWITCH
HPF
LPF
BUFFER
AMP
AMP
DETECT
AUDIO LEVEL
Q401,402
AUTO POWER
CONTROL
LINE IN
PHASE
NORMAL
REVERSE
LIMITTER
(Page6)
(Page6)
For schematic diagrams.
• All capacitors are in
• All capacitors are in
µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specified.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: AUDIO
• Abbreviation
CND : Canadian model
SP
SP
: Singapore model
CH
: Chinese model
KR
: Korea model
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
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