Sony CFD-ZW750 - Cd Radio Cassette-corder Manual de serviço - Página 6
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5-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — (for CFD-ZW750) • Refer to page 53 for IC Block Diagrams.
• Semiconductor Location
Ref. No.
Location
Ref. No.
Location
D1
F-12
IC1
H-11
D2
F-12
IC2
H-10
D3
F-11
IC301
G-6
D4
C-12
IC302
D-7
D5
B-12
IC304
C-7
D6
H-12
IC305
H-4
D8
C-12
D9
C-12
Q1
F-10
D10
H-12
Q101
C-6
D301
E-7
Q201
C-6
D302
H-5
Q301
F-6
D303
I-5
Q302
F-6
D304
F-4
Q303
F-6
D305
F-4
Q304
F-7
D306
H-9
Q305
F-4
D307
H-9
Q306
G-4
D308
H-9
Q307
G-4
D309
H-8
Q308
F-4
D310
H-8
Q309
F-4
D311
E-8
Q310
F-4
D312
E-8
Q311
F-9
D313
C-11
Q312
F-9
D314
C-11
Q313
E-9
D315
C-10
Q314
E-9
D316
D-10
Q315
H-7
D317
D-10
Q316
F-8
Q317
F-8
D318
D-11
D319
C-11
Q318
F-8
D320
C-11
Q319
F-8
D321
D-10
Q320
C-11
D322
D-10
Q321
E-7
D323
D-9
Q322
E-8
D324
E-10
Q324
C-11
D325
B-8
Q325
C-11
D326
B-10
Q327
D-11
D328
D-10
Q328
D-11
D330
G-4
Q329
D-11
D331
B-9
Q330
D-9
D332
G-5
Q331
B-9
D333
D-6
Q332
E-8
D334
H-4
Q333
B-9
D335
H-5
Q336
I-5
D336
H-8
Q337
I-5
D337
I-8
Q338
D-8
D338
H-8
Q339
D-9
D339
H-8
Q340
G-4
D340
H-8
D341
H-5
– 31 –
(Page 50)
– 32 –
CFD-ZW750/ZW770
(Page 37)
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• C : panel designation.
• U : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
(Page 27)
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
) : PB (TAPE)
<
> : REC (TAPE)
[
] : CD STOP
((
)) : DUBBING
<<
>> : HIGH-SPEED DUBBING
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Signal path.
F
: FM
E
: PB (DECK A)
d
: PB (DECK B)
(Page 24)
a
: REC (DECK B)
J
: CD
– 33 –