Sony CDX-C8050X (serv.man3) Service Manual ▷ View online
5
5
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
(
) : Refer to page of supplement-2.
<
> : Refer to page of service manual.
for 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.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: AM
J
: CD
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
(Side A)
parts face are indicated.
6
6
2-2. PRINTED WIRING BOARD — MAIN SECTION —
CDX-C8050X
Ref. No.
Location
D101
I-4
D102
I-4
D104
H-5
D105
F-8
D106
B-2
D107
B-1
D108
K-3
D109
J-3
D201
G-12
D202
D-13
D205
F-12
D301
C-6
D302
D-7
D352
C-8
D353
C-7
D354
C-8
D401
H-5
D601
G-7
D602
H-7
D603
F-8
D607
F-7
D608
G-7
D609
F-7
D610
G-7
D614
G-8
D701
J-12
D702
H-11
D703
I-13
D751
K-12
D752
J-12
D753
K-13
D754
K-11
D755
K-11
D756
J-12
D757
J-12
D758
K-13
D759
K-13
D760
J-13
D761
K-11
D762
J-13
IC301
G-10
IC302
I-3
IC303
D-9
IC304
D-11
IC305
D-10
IC502
I-7
IC503
J-5
IC504
J-5
IC601
G-7
• Semiconductor Location (Side A)
Ref. No.
Location
IC701
J-10
IC702
H-11
Q101
I-4
Q102
H-4
Q103
H-4
Q106
H-4
Q108
E-8
Q109
E-8
Q111
K-7
Q112
J-4
Q113
K-4
Q201
F-13
Q202
E-13
Q203
E-12
Q204
E-12
Q205
E-13
Q206
D-13
Q207
D-13
Q209
F-13
Q351
K-3
Q352
C-8
Q353
C-7
Q354
C-6
Q355
C-7
Q356
B-10
Q357
B-10
Q358
B-11
Q359
B-11
Q360
C-12
Q361
D-12
Q363
C-5
Q364
C-5
Q365
D-5
Q366
D-4
Q403
H-6
Q407
F-5
Q601
G-7
Q602
H-7
Q603
F-7
Q604
F-8
Q605
D-2
Q701
J-12
Q702
J-13
Q703
I-13
Q705
H-13
Q901
I-13
Q902
J-13
Q903
J-13
7
7
<Page 31>
(Page 14)
CDX-C8050X
(Page 12)
Ref. No.
Location
D103
G-3
D355
B-7
D356
B-7
D357
B-7
D358
B-6
D359
B-8
D360
B-7
D361
B-8
D362
B-8
D363
B-2
D502
J-8
D604
C-2
D605
B-2
D606
C-2
D611
D-1
D612
D-2
D613
D-2
IC351
B-7
Q104
F-4
Q105
G-3
Q107
E-8
Q110
B-1
Q402
G-5
Q406
F-5
Q704
J-13
• Semiconductor
Location (Side B)
8
8
2-3. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 46 of Service manual for IC Block Diagrams.
Note:
• Voltage is dc with respect to ground under no-signal
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : AM
∗
: Impossible to measure
(Page 10)
(Page 9)
CDX-C8050X
(Page 13)
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