Sony HCD-C990 Service Manual - Page 55

Printed, Wiring, Boards, Amp - speaker wire

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HCD-C770/C990 7-24. PRINTED WIRING BOARDS - AMP Section (2/2) - • See page 37 for Circuit Boards Location. 1 2 3 4 5 6 7 8 9 10 11 12 13 A AMP BOARD (CONDUCTOR SIDE) M M301 (FAN) (Page 42) C DVD BOARD CN001 (Page 42) D DVD BOARD CN004 B 2 E IC302 1 3 C R Q492 PIN301 AUDIO BOARD CN204 (Page 58) D C111 C121 C112 C122 C113 C123 C114 C124 C115 C125 C116 C126 E 21 21 21 21 21 21 IC301 F C131 IC304 C132 IC306 C133 IC307 C134 IC309 C135 IC311 C136 G 20 19 20 19 20 19 20 19 20 19 20 19 H 14 15 16 HP BOARD (COMPONENT SIDE) • Semiconductor Location Ref. No. Location D311 D312 D313 D314 D315 D316 D321 D322 D323 D324 D325 D326 D351 D352 D353 D354 D355 D356 G-3 H-5 H-6 H-8 H-9 I-10 H-4 H-6 H-7 H-8 H-10 H-11 E-4 E-5 E-7 E-8 E-9 E-10 IC301 IC302 IC304 IC306 IC307 IC309 IC311 IC401 F-4 B-6 G-5 G-7 G-8 G-9 G-11 K-10 Q190 Q900 Q901 B-7 K-15 L-16 I J401 SPEAKER (FRONT VIEW) FRONT 9 10 11 12 FRONT R -+ -+ L J 56 78 CENTER - + - + WOOFER REAR R 12 34 -+ -+ REAR L K L IC401 55 55 (Page 69) POWER BOARD CN904 J J900 PHONES 11 1-685-079- (11) 11 1-685-887- (11) HP BOARD (CONDUCTOR SIDE) 1 5 E E 11 1-685-887- (11)

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HCD-C770/C990
55
55
IC302
IC301
IC304
IC306
IC307
IC309
IC311
IC401
M
M301
(FAN)
2
1
3
1
2
20
19
1
2
20
19
1
2
20
19
1
2
20
19
1
2
20
19
1
2
20
19
Q492
C
DVD BOARD
CN001
D
DVD BOARD
CN004
J
POWER BOARD
CN904
SPEAKER
J401
–
+
9
10
–
+
11
12
–
+
5
6
–
+
7
8
–
+
1
2
–
+
3
4
(FRONT VIEW)
FRONT
R
CENTER
REAR
R
FRONT
L
WOOFER
REAR
L
1
5
E
PHONES
J900
AMP BOARD
(CONDUCTOR SIDE)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
B
C
D
E
F
G
H
I
J
K
L
1-685-079-
11
(11)
1-685-887-
11
(11)
1-685-887-
11
(11)
(COMPONENT SIDE)
HP BOARD
(CONDUCTOR SIDE)
HP BOARD
E
E
C111
C121
C131
C112
C132
C122
C113
C133
C123
C114
C134
C124
C135
C125
C115
C136
C126
C116
PIN301
R
AUDIO BOARD
CN204
7-24. PRINTED
WIRING
BOARDS
– AMP Section (2/2) –
•
See page 37 for Circuit Boards Location.
(Page 42)
• Semiconductor
Location
Ref. No.
Location
D311
G-3
D312
H-5
D313
H-6
D314
H-8
D315
H-9
D316
I-10
D321
H-4
D322
H-6
D323
H-7
D324
H-8
D325
H-10
D326
H-11
D351
E-4
D352
E-5
D353
E-7
D354
E-8
D355
E-9
D356
E-10
IC301
F-4
IC302
B-6
IC304
G-5
IC306
G-7
IC307
G-8
IC309
G-9
IC311
G-11
IC401
K-10
Q190
B-7
Q900
K-15
Q901
L-16
(Page 42)
(Page 69)
(Page 58)