CQ-C3503N, CQ-C3303N - Panasonic Car Audio Service Manual (repair manual). Page 33

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19 SCHEMATIC DIAGRAM -2
19.1. Main Block
7222-02-11
CQ-C3503N / C3303N  MAIN
7221-03-11
To
CN990
7222-06-11
To
CN103
7222-06-11
To
CN102
7222-06-11
To
CN101
47K
47K
OPEN
OPEN
A
A
CQ-C3503N
CQ-C3303N
CQ-C3503N
0.022
0.022
390
2.7K
CQ-C3503N
0.01
1K
PA051
YESAP403
Q055
YESAN117
Q052
YESAN117
Q770
YESAN087
D770
YESAD123
D053
YESAD119
IC201
YESAM293
Q660
YESAN128
Q661
YESAN127
Q261
YESAN121
Q362
YESAN121
Q361
YESAN121
YESAM356
Q401
B1CBGF000005
YESAN120
YESAN125
Q671
Q265
YESAN125
Q365
Q672
YESAN118
D691
YESAD155
Q262
YESAN121
IC271   C1EA00000041
D705
YESAD146
D704
YESAD143
YESAD139
D701
Q701
YESAN126
Q702
YESAN129
D702  YESAD153
Q752  YESAN115
Q704
YESAN123
D751
YESAD141
IC751
YESAM349
D270-D277
YESAD146
D232
YESAD144
D233
YESAD1
19
YESAD143
D231
IC231
YESAM320
IC601
YESAM351
IC801
Q851
B1BCCF000017
IC802   YESAM352
Q871
YESAN113
D791
B0ACCK000005
D792
B0ACCK000005
D677
YESAD147
Q054
YESAN122
Q066
YESAN132
IC501
YESAM283
YESAD149
0
0
9.1
8.2
8.9
8.2
8.2
8.2
8.2
5.0
5.1
0
4.6
4.6
5.1
5.1
5.2
0
0
1.3
1.3
9.1
9.1
5.2
4.6
4.6
4.6
0
6.6
5.1
6.0
12.9
6.4
0
5.3
6.3
6.2
6.4
0
6.4
6.4
6.5
6.6
6.5
12.9
6.6
5.1
6.6
0
0
4.6
4.6
4.6
4.6
9.1
5.1
4.5
4.5
4.5
4.5
4.5
4.5
5.1
0
3.7
0
3.8
3.8
9.1
4.5
4.5
4.5
4.6
5.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.1
5.1
5.1
0
0
0
0
0
8.1
8.1
4.9
9.2
5.8
12.6
5.0
5.3
5.2
5.8
4.2
12.0
12.0
1.3
4.9
12.9
12.9
12.9
12.9
4.4
0
0.8
12.9
0
0
1.7
0
3.2
3.2
3.2
3.2
0
0
1.6
3.2
1.6
1.7
3.2
0
3.2
0
0
0
0
0
0
0
1.6
1.8
1.7
1.6
1.8
1.6
1.6
1.6
2.0
2.0
1.6
2.5
0.2
0
1.4
3.5
4.6
3.8
5.1
5.2
5.1
0
0
0
5.1
1.7
1.1
1.1
0
3.2
1.6
1.6
1.6
3.2
1.0
3.2
3.2
1.3
1.4
3.0
1.6
3.1
0
1.6
1.0
1.6
0
1.6
1.6
3.2
3.2
0.5
1.2
8.1
1.3
1.3
1.4
1.4
1.4
1.4
1.4
1.4
0
1.6
8.1
1.6
7.5
3.2
8.1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
FM
2.5
0
2.9
0
-
-
-
-
5.0
4.9
5.1
0
5.1
0
4.9
0
0
0
5.1
0
AM
2.5
0
2.9
0
-
-
-
-
5.0
5.0
5.1
0
5.2
0
4.9
0
0
0
5.1
0
CD
2.5
0
2.9
0
-
-
-
-
5.0
4.9
5.1
0.3
4.0
4.6
4.9
1.0
0
0
5.1
5.0
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
FM
0
5.1
0.2
5.1
5.1
0
5.1
-
0
0
0
0
-
-
0
-
-
-
5.1
0
AM
0
5.1
0.2
5.1
5.1
0
5.1
-
0
0
0
0
-
-
0
-
-
-
5.1
0
CD
0
0
5.1
5.1
5.1
5.1
0
-
0
0
0
0
-
-
0
-
-
-
5.1
0
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
FM
0
-
-
-
-
-
-
-
4.9
5.1
5.1
5.1
0
5.1
5.1
5.1
5.1
0
-
-
AM
0
-
-
-
-
-
-
-
5.0
5.1
5.1
5.1
0
5.1
5.1
5.1
5.1
0
-
-
CD
0
-
-
-
-
-
-
-
5.0
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
0
-
-
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
FM
-
-
4.9
5.1
5.1
5.1
5.1
5.0
2.6
5.0
5.0
-
-
0
8.2
0
0
0
0
0
AM
-
-
4.9
5.1
5.1
5.1
5.1
5.0
2.6
4.6
5.0
-
-
0
0
8.2
0
0
0
0
CD
-
-
4.9
5.1
5.1
5.1
5.1
5.0
2.6
5.1
5.1
-
-
0
8.2
0
1.5
0
0
0
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
FM
0
2.5
5.1
0
0
5.0
5.3
0
0
1.4
0
0.2
5.1
0
1.4
0
-
2.2
0
2.6
AM
0
0
5.2
0
0
5.0
5.3
0
0
1.3
0
2.3
5.1
0
1.3
0
-
2.1
0
2.6
CD
0
2.6
5.2
0
0
5.0
5.3
0
0
1.3
0
2.5
5.1
0
1.3
0
-
2.3
0
2.6
1
2
3
4
5
6
7
8
9
10
11
12
13
FM
0
0
-
-
0
1.3
0
0
0
0
0.5 8.2 8.2
AM
0
0
-
-
0
1.4
0
0
8.2
0
0.5
0
8.2
FM 1.3
0
3.7 3.6
0
-
0
5.1
0
0.4 8.2
-
AM 1.4
0
3.7 3.6
0
-
0
0
0
5.1
0
0.5 8.2
-
1
14
15
16
17
18
19
20
21
22
23
24
25
26
PA051
IC601
2V / DIV,0.2ms / DIV
4V
2V / DIV,0.1
µ
s / DIV
2V
2V / DIV,0.2
µ
s / DIV
4V
5V
2V / DIV,0.5ms / DIV
4V
2V / DIV,10ms / DIV
5V
2V / DIV,10ms / DIV
9V
5V
+B
Acc
9V
5V
RADIO(L,R)
CD(L,R)
AUDIO(L,R)
AUX(L,R)
The following symbols are
shown on the schematic
diagram.
5V
9V
9V
9V
9V
5V
5V
9V
9V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
9V
5V
9V
9V
5V
9V
5V
5V
9V
9V
5V
9V
9V
5V
9V
5V
5V
5V
9V
5V
5V
9V
5V
5V
9V
5V
5V
9V
9V
9V
9V
5V
9V
L
R
L
R
R
L
R
L
R
R
R
L
L
L
R
L
L
R
L
R
RR
RR
RL
RR
FR
FL
RL
FR
FL
RL
FL
FL
FR
RR
RL
FR
RR
RL
CQ-C3503N / CQ-C3303N
33
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