Read Sony CDX-C8850R (serv.man2) Service Manual online
1
(ECN-CSB00896, CSB00897)
CDX-C8850R
SERVICE MANUAL
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Change of Main, Relay and Display Boards
Printed wiring boards and schematic diagram of new type, and changed parts
list are described in this supplement-1.
Refer to original service manual (9-926-598-11) previously issued for the other
information.
When performing service and inspection, check the suffix of the part number of
the main, relay and display boards.
list are described in this supplement-1.
Refer to original service manual (9-926-598-11) previously issued for the other
information.
When performing service and inspection, check the suffix of the part number of
the main, relay and display boards.
AEP Model
UK Model
MAIN Board Part No.
Former type : 1-674-589-11
New type : 1-674-589-12
Former type : 1-674-589-11
New type : 1-674-589-12
– MAIN BOARD (SIDE B) –
• DISCRIMINATION
2
RELAY Board Part No.
Former type : 1-674-591-11
New type : 1-674-591-12
Former type : 1-674-591-11
New type : 1-674-591-12
– RELAY BOARD (SIDE B) –
DISPLAY Board Part No.
Former type : 1-674-590-11
New type : 1-674-590-12
Former type : 1-674-590-11
New type : 1-674-590-12
– DISPLAY BOARD (SIDE B) –
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3
MODEL IDENTIFICATION
The destination is expressed with the model according to the
language of CSV (Computer Sound Voice) mounted in the set.
How to identify the model is described below.
language of CSV (Computer Sound Voice) mounted in the set.
How to identify the model is described below.
– POWER BOARD (side A) –
IC803
MSM534001E-49TSKFDR3 (TYPE A : ENGLISH, FRENCH)
MSM534001E-50TSKFDR3 (TYPE B : ENGLISH, SPANISH)
MSM534001E-51TSKFDR3 (TYPE C : ENGLISH, GERMAN)
MSM534001E-50TSKFDR3 (TYPE B : ENGLISH, SPANISH)
MSM534001E-51TSKFDR3 (TYPE C : ENGLISH, GERMAN)
For schematic diagrams
• 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.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
•
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
: MW
J
: CD
L
: MIC
• Abbreviation
TYPE A : ENGLISH, FRENCH
TYPE B : ENGLISH, SPANISH
TYPE C : ENGLISH, GERMAN
TYPE B : ENGLISH, SPANISH
TYPE C : ENGLISH, GERMAN
• (( )) : Page of service manual.
<< >> : Page of supplement-1.
For printed wiring boards
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
f
: internal component.
• 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.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• (( )) : Page of service manual.
<< >> : Page of supplement-1.
4
4
CDX-C8850R
1. PRINTED WIRING BOARD — MAIN SECTION —
((
Page 54))
IC271
C-13
IC300
H-6
IC352
I-5
IC404
E-11
IC421
E-12
IC500
J-6
IC506
H-5
IC602
D-7
IC632
D-6
IC691
G-8
IC701
H-12
IC702
J-11
IC901
J-3
IC951
H-3
IC952
I-3
Q130
I-2
Q131
I-2
Q132
I-2
Q133
G-1
Q134
I-2
Q180
B-2
Q181
B-2
Q182
C-2
Q183
C-2
Q185
D-3
Q251
J-9
Q252
K-10
Q253
I-9
Q254
K-11
Q255
J-9
Q256
J-9
Q271
Q-13
Q272
C-12
Q275
B-13
Q421
D-11
Q422
D-11
Q423
E-11
Q424
E-11
Q441
F-9
Q451
D-10
Q461
D-10
Q462
E-10
Q471
C-8
Q472
D-8
Q473
C-8
Q474
D-8
Q501
H-5
Q523
J-8
Q691
G-8
Q751
F-2
Q752
G-2
Q754
F-2
D131
J-2
D204
J-11
D251
K-12
D252
K-12
D253
K-12
D254
K-11
D255
J-13
D256
J-13
D257
J-12
D258
J-12
D259
J-12
D260
J-12
D261
J-13
D262
K-11
D263
K-11
D264
K-11
D265
K-11
D271
D-13
D279
B-14
D280
A-14
D282
A-14
D283
B-13
D291
B-3
D421
D-11
D422
E-12
D423
D-12
D424
D-12
D441
E-9
D442
E-9
D461
C-10
D462
C-10
D463
C-10
D464
C-9
D466
C-9
D467
D-10
D468
D-9
D471
C-8
D472
D-8
D481
B-7
D482
B-7
D483
B-6
D484
B-6
D485
B-7
D486
B-8
D487
B-8
D488
B-8
D491
B-6
D546
K-3
D601
B-5
D631
B-4
D661
A-1
D701
H-11
IC151
D-3
• Semiconductor Location (side A)
Ref. No.
Location
Ref. No.
Location
