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)