CQ-EN7160Z, CQ-EN7161Z (serv.man2) - Panasonic Car Audio Service Manual (repair manual). Page 33

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18 SCHEMATIC DIAGRAM
18.1. Main Block
M3J445003Ba
M3J445003Bb
M3J445013B
To
CP902
M3J445003Bb
To
CP500
M3J445013B
To
CP901
IC151
RBDS
IC601
CPU
IC701
REG
IC705
RESET
IC704
DC-DC
CONVERTER
IC500
5V
REG
IC201
VOLUME
CONTROL
IC251
POWER
AMP
PA101
FM/AM
TUNER
CN500 : To E-8586C CN1
CP500 : To M3J4450003Ba CN501
10V
8V
5V
-47V
+B
Acc
10V
8V
5V
-47V
RADIO(L,R)
CD(L,R)
AUDIO(L,R)
The following symbols are
shown on the schematic diagram.
-47V
-47V
-47V
RR
RR
RR
RR
FR
FR
FL
FL
RL
RL
FL
FR
RL
FL
FL
FL
RL
FR
RR
FR
FR
RR
RR
RR
FR
RL
FL
RR
FR
FL
FR
RL
FL
8V
8V
8V
8V
8V
8V
5V
5V
5V
5V
5V
5V
5V
5V
5V
10V
10V
5V
5V
5V
5V
5V
5V
5V
5V
5V
10V
10V
10V
10V
5V
5V
5V
5V
5V
10V
8V
8V
8V
8V
10V
10V
5V
5V
8.1
8.1
4.1
8.1
4.1
8.1
4.1
4.1
4.1
8.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.0
0
4.1
4.1
4.0
0
4.1
5.1
6.4
0
6.4
12.3
6.4
0
6.3
7.6
1.2
1.2
0
1.2
1.2
0
6.4
0
6.4
6.3
0
6.3
4.1
0
0
4.1
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
4.0
8.1
4.1
4.1
4.1
4.1
0
4.0
4.0
4.0
4.1
4.0
4.1
12.3
3.5
3.5
0
0
0
0
5.0
4.1
4.1
4.1
4.1
4.1
4.1
4.1
8.1
8.1
4.0
4.0
4.0
4.0
4.0
0
0
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.3
4.3
4.0
4.3
4.0
0
0
7.3
7.3
4.3
4.0
4.0
4.0
4.0
4.0
4.1
4.1
4.1
4.0
4.0
4.1
4.1
4.0
0
0
0
0
0
0
6.1
8.1
0
0
8.1
0
8.1
8.1
0
0
0
0
0
0
0
4.6
0
0
4.6
0
0
3.8
8.1
3.2
0
1.4
0
2.4
2.4
5.0
2.3
0
5.0
2.6
2.6
2.5
0.9
5.0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12.2
12.2
12.2
12.2
4.6
5.1
11.4
5.1
8.1
12.2
5.0
5.6
10.1
10.1
12.0
0
5.0
4.9
8.7
1.6
1.8
5.0
5.0
0
5.1
1.8
5.0
4.6
12.2
12.2
11.5
0
0
-47.0
-38.9
5.1
5.0
-43.0
-47.0
11.9
0
10.1
0
5.0
0
0
0
0
0
0
5.0
5.0
5.0
1.3
10.1
4.6
12.2
12.2
No
FM
AM
CD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
5.3
5.3
5.4
5.4
0
5.4
5.4
5.1
5.3
5.4
2.5
2.8
0
0
5.4
5.4
0
0
0
5.4
0
0
0.6
5.4
0
5.5
0
0
0.4
0
0
3.4
5.1
5.1
5.0
5.0
5.1
5.0
0
5.1
5.1
4.7
5.0
5.1
3.3
2.5
0
0
0
5.0
0
0
0
5.1
0
0
0.7
5.1
0
5.1
0
0
0
1.8
0
3.4
5.1
5.1
5.0
5.1
0
5.0
0
5.1
5.1
4.7
5.0
5.1
3.3
2.5
5.0
0
0
0
0
0
0
5.1
0
0
0
5.1
0
5.1
0
0
0
0
0
3.4
5.1
5.1
No
FM
AM
CD
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
2.2
2.2
0
0
0
0
0
5.1
2.6
0
0
1.4
0
5.0
3.8
0
0
5.0
0
5.0
0
0
0
0
0
5.0
5.0
0
0
0
0
0
0
0
2.2
2.2
0
0
0
0
0
5.1
0
1.8
0
1.3
0
5.0
3.8
0
0
5.0
0
5.0
0
0
0
0
0
5.0
5.0
0
0
0
0
0
0
0
2.2
2.2
0
0
0
0
0
5.1
0
1.9
0
0
0
5.0
3.8
0
0
5.0
0
5.0
0
0
0
0
5.0
5.0
0
0
0
0
0
0
0
0
No
FM
AM
CD
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
0
5.1
5.1
5.1
5.1
5.1
5.0
0
5.1
5.1
5.0
0
0
0
0
4.6
4.9
0
5.1
5.1
5.0
5.0
0
0
5.1
5.1
5.1
0
5.1
0
0
5.0
5.1
5.1
5.1
5.1
5.1
0
5.1
5.1
5.0
0
0
0
0
4.8
5.0
0
5.1
5.1
5.0
5.0
0
0
5.1
5.1
5.1
0
5.1
0
0
5.0
5.1
5.1
5.1
5.1
5.1
0
5.1
5.1
5.0
0
0
0
0
4.8
5.0
0
5.1
5.1
5.0
5.0
0
0
5.1
5.1
5.1
0
5.1
0
IC601
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
0
0
0
0
0.9
8.1
6.3
0
4.8
0
0
2.5
0
2.7
0
0
3.1
0
0
0
0
1.8
0
6.3
1.8
3.5
3.9
0.9
2.9
0
0
0
0
0
FM
AM
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1.6
0.5
2.2
0.4
2.6
0
0.5
3.4
0.6
3.8
4.0
4.0
2.5
0
8.1
0
0
0
0
0
0
1.8
0
0
0
0
3.5
3.5
0
0
8.1
0
FM
AM
PA101
2Vp-p(2mS)
5V
2Vp-p(0.5mS) 
1.5V
2Vp-p (0.2µS)
2V
2Vp-p (0.2µS)
1V
2Vp-p (0.2mS)
5V
2Vp-p (5mS)
5V
2Vp-p (5mS)
5V
2Vp-p (5mS)
5V
2Vp-p (0.2mS)
5V
NISSAN / CQ-EN7160Z / CQ-EN7161Z
33
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