Panasonic CQC5403U - AUTO RADIO/CD DECK, Service Manual

Page: 35 / 48

20 SCHEMATIC DIAGRAM
20.1. Main Block-1
CQ-C5403U/ C5303U MAIN-1
7220-02-11
0.027
0.027
220
220
0.022
0.22
47k 47k
To 7220-05-11 CN901
To CD Deck
CN101
YESAP414
YESAN117
YESAN088
YESAD143
YESAD156
YEAN2SK536TB
C1BB00001045
YESAM335
YESAD119
YESAD119
YESAM287
YESAD144
YESAM265
YESAD119
YESAD164
YESAM344
YESAM274
YESAD146
YESAD146
YESAD146
YESAD146
YESAD146
YESAD146
YESAM345
D270–D277
YESAN115
YESAD164
YESAN123
YESAD
141
YESAM267
YESAD143
YESAD139
YESAD167
YESAD167
YESAN079
YESAN079
YESAD146
1SS133T77
YESAM299
YESAM347
YESAM340
YESAD119
YESAD119
YESAD144
YESAD150
YESAD150
YESAN118
YESAD165
YESAN122
YESAN122
YESAN123
YESAM346
YESAD144
7.8
7.9
1.3
1.4
1.8
0
2.4 2.3
0
0
0
0
0
1.8
2.3
4.8
1.8
0
4.8
4.9
0
0
8.0 8.5
8.5
0
0
0 0
4.8
0
0
0
0
0
0
3.2
4.8
4.8
0
4.9
4.8
0.5
0.9
9.8
9.8
4.7
4.7
0.7
0.9
0.5
0
4.8
4.8
0
3.5 4.8
0 0
4.2
4.8 0 4.8 0 4.8
0
0 0 0 0
12.9
0 0
6.2 4.7 6.3
12.9
6.2
0
6.3 7.8 3.3 3.3
0
3.3 3.3 3.4 6.3
0
6.2
12.9
6.3 4.6 6.3
0
12.9 12.9
12.9 12.9 4.4
4.8
12.9
0
0
4.8
0
9.9
12.9
4.8
0
9.0
12.6
4.9 4.9 4.8
4.8
4.9
4.9 4.9
5.6
3.2
0
1.2
4.8
4.8
1.9
1.9
0
12.6
0
5.4
IC601
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1.9
4.8
4.7
4.8
4.8
4.8
2.5
2.0
0
2.4
2.3
0
1.9
4.8
4.7
4.9
4.8
4.8
2.5
2.0
0
2.4
2.3
0
0
4.9
0
1.2
4.6
4.8
4.7
4.8
4.8
0
4.8
4.8
0
0
0
-
0
1.4
4.8
4.8
4.7
0
-
0
4.8
0
0
0
4.7
0
1.9
4.8
4.8 4.8 4.8
4.7
4.7 4.7 4.7
4.8
4.8
4.8
4.8 4.8 4.8
4.8 4.8 4.8
2.5
2.5 2.5 2.5
0 0 0
0 0 0
0 0
0 0
2.0
0
2.4
2.3
0
-
0
4.8
0
0
0
4.7
0
-
0
0 0 0
0 0 0
0
4.8 4.8 4.8
4.8 4.8 4.8
4.8 4.8 4.8
4.8 4.8 4.8
4.9 4.9 4.9
4.9 4.9 4.9
4.9 4.9 4.9
4.8
4.8 4.8 4.8
4.8 4.7 4.8
0
0
0 0 0
4.7
0
0
4.8
4.9
0
0
0
-
0
0
4.8
4.8
4.7
0
0
3.3
4.8 4.8 4.8
4.9
4.9
4.8
0
-
0 0 0
0
0 0 0
0 0 0
1.2
4.8
4.7 4.7 4.7
4.8
4.7
0
0 0 0
4.8 4.8 4.8
0
0
4.9
0
0.9
4.6
4.8
4.7
4.8
4.8
0
0
0 0 0
0 0 0
0 0 0
4.9
4.8 4.8 4.8
4.8 4.8 4.8
4.8 4.8 4.8
4.8 4.8 4.8
4.8 4.8 4.8
4.8 4.8 4.8
0
0 0 0
0
4.6
4.8
4.7
0
4.9
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40 41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60 61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
FM CD FM AM AM AM AM CD FM CD FM CD
FM
FM
AM
0
1
0
0
2
0
0
3
0
-
4
-
-
5
-
1.3
6
1.4
7.9
7
7.9
7.8
8
0
2.3
9
2.2
0
10
0
0
11
0
3.6
12
3.6
3.6
13
3.6
0
14
0
0
15
0
0
16
0
4.8
17
4.8
0
18
0
0
19
0
2.3
20
1.0
1.7
21
1.4
PA051
2V/DIV,0.2ms/DIV
2V/DIV,50µs/DIV
2V/DIV,50µs/DIV
2V/DIV,0.1µs/DIV
The following symbols are
shown on the schematic
diagram.
9V
8V
5V
3.3V
+B
Acc
9V
8V
5V
3.3V
RADIO (L,R)
CD (L,R)
AUDIO (L,R)
HUB(L,R)
5V 5V
5V
3.3V 3.3V 3.3V 3.3V
3.3V
5V
5V
5V
9V 9V 9V 9V
9V
8V 8V
5V
8V
5V
8V
8V
8V
5V
9V 9V
5V 5V
5V
5V
5V 5V
5V 5V
5V
5V
5V
5V
5V
5V
9V
5V
9V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V 9V
9V
9V
5V
5V
5V
L
R
R
L
R
L
R
L
FL
FL
FR
FR
RR
RR
RL
RL
CQ-C5403U / CQ-C5303U
35