Read Sony CFD-W57L (serv.man2) Service Manual online
Ref. No.
Location
D301
B-7
D302
C-12
D303
D-11
D304
B-13
D305
C-12
D306
D-11
D307
C-11
D308
C-13
D309
B-12
D310
D-12
D311
C-11
D312
C-11
D313
B-11
D314
B-12
D315
C-10
D316
I-7
D317
E-11
D318
D-11
D319
D-8
D321
B-7
D322
F-8
D801
I-8
D802
I-8
D803
I-8
D804
H-12
D805
H-12
D806
I-8
D901
F-16
D902
F-16
D903
F-17
D904
F-16
D906
F-18
D907
F-18
D908
F-18
D910
F-18
IC301
G-7
• Semiconductor Location
Ref. No.
Location
IC302
D-6
IC303
B-9
IC304
C-12
IC704
G-13
IC801
H-10
IC802
F-8
Q101
B-7
Q201
B-7
Q301
H-7
Q302
H-8
Q304
I-6
Q305
E-8
Q306
E-8
Q307
C-7
Q308
C-6
Q309
C-12
Q310
C-12
Q311
B-10
Q312
B-13
Q313
B-13
Q314
C-11
Q315
B-11
Q316
D-13
Q317
D-13
Q318
D-13
Q319
H-7
Q320
H-6
Q321
C-13
Q322
C-13
Q323
E-12
Q325
I-7
Q326
I-7
Q801
G-8
Q802
F-9
Q805
D-9
Q806
D-10
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
– 14 –
– 15 –
– 16 –
CFD-W57L
5. PRINTED WIRING BOARDS — MAIN SECTION —
(Page 22)
(Page 9)
(Page 6)
(Page 22)
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• 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.
•
1
: fusible resistor.
•
C
: panel designation.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
•
Abbreviation
G
G
: German model.
IT
: Italian model.
EE
: East European model.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : PB
<
> : REC
[
] : CD
• 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
: FM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
• Abbreviation
G
: German model.
IT
: Italian model.
EE
: East European model.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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