Sony SA-VE345 Manuale di servizio - Pagina 4
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- 1. Table of Contents
- 1. 1 Diagrams
- 1. Circuit Boards Location (SA-WMS345)
- 1. Printed Wiring Boards (SA-WMS345)
- 1. Schematic Diagram (SA-WMS345)
- 1. Q705
- 2. Leakage Test
- 2. 2 Exploded Views
- 2. Front Panel Section (SA-WMS345)
- 2. Rear Panel Section (SA-WMS345)
- 2. Center Speaker Section (SS-CN345)
- 2. Front and Surround Speakers Section (SS-V345)
- 3. 3 Electrical Parts List
- 3. Power Switch
SA-VE345/WMS345/SS-CN345/V345
Ver 1.1
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
specified.
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
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.
• A : B+ Line.
• B : B- Line.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: AUDIO
• Abbreviation
CND : Canadian model.
AUS : Australian model.
SP
: Singapore model.
MY
: Malaysia model.
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Abbreviation
CND : Canadian model.
AUS : Australian model.
SP
: Singapore model.
MY
: Malaysia model.
4
/
W or less unless otherwise
4
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
• Semiconductor
Location
Ref. No.
Location
(D101)
C-3
(D102)
C-4
(D103)
B-3
(D104)
B-3
D201
I-4
D202
H-4
D303
E-3
D304
E-3
D305
F-6
D306
E-8
D501
C-8
D502
E-8
D503
E-8
D504
E-8
D505
E-8
D506
F-7
D507
E-7
D601
I-7
D602
I-7
D603
J-7
D604
J-7
D605
H-7
D606
H-7
D607
J-9
D608
H-8
D701
B-5
D702
C-5
D703
C-5
D704
C-5
D801
F-13
IC101
C-3
IC102
C-2
IC104
C-5
IC201
H-3
IC202
H-1
IC203
H-3
IC204
H-4
IC701
B-6
Q101
C-1
Q301
E-3
Q302
E-2
Q303
E-2
Q304
D-2
Q305
D-3
Q306
D-3
Q307
D-3
Q308
E-7
Q309
F-6
Q310
E-6
Q311
E-6
Q401
J-3
Q402
J-3
Q403
J-2
Q404
J-5
Q501
F-7
Q502
E-7
Q601
H-7
Q602
G-7
Q701
B-6
Q702
C-6
Q703
B-7
Q704
B-7
A-7
(
) : US, CND model