AIWA CDC-Z107 Service Manual - Page 16

IC, LA4743B

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PIN NO. 68 69 70 71 ~ 72 73 74 75 76 77 78 79 80 BU (V) 4.94 0 0 0 4.98 0 0 0 0 0 0 2.53 BU+ACC (V) 4.95 0 0 0 4.97 0 0 0 0 0 0 2.52 FM (V) 4.76 0.58 2.51 0 4.80 0 2.45 0 0.08 1.04 0 2.45 AM(V) 4.76 0.57 2.51 0 4.80 2.34 0.01 0 0.08 1.04 0 2.46 CD (V) 4.87 0 0 0 4.91 0 0 0 0 1.05 0 2.50 AUX (V) 4.79 0.59 2.52 0 4.84 2.31 0.03 0 0 0 0 2.47 IC, LA4743B PIN NO. 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 BU (V) 0 0 0 0 14.40 0 0 0 0 0 0 0 0 0 0 0 0 0 14.40 0 0 0 0 BU+ACC (V) 0 0 0 0 14.40 0 0 0 0 0 0 0 0 0 0 0 0 0 14.40 0 0 0 0 FM (V) 0 2.75 4.76 2.74 14.38 2.75 0 2.68 13.17 3.04 3.09 0 3.09 3.04 2.29 2.71 0 2.73 14.38 2.76 4.54 2.72 0 AM(V) 0 2.74 4.82 2.74 14.38 2.74 0 2.73 13.15 3.07 3.11 0 3.11 3.07 2.40 2.74 0 2.74 14.38 2.73 4.55 2.76 0 - 16 - CD (V) 0 2.74 4.83 2.75 14.38 2.74 0 2.73 13.16 3.07 3.11 0 3.11 3.07 2.41 2.74 0 2.74 14.38 2.73 4.58 2.76 0 AUX (V) 0 2.74 4.84 2.75 14.38 2.74 0 2.74 13.16 3.08 3.11 0 3.11 3.08 2.40 2.74 0 2.74 14.35 2.73 4.56 2.77 0

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PIN NO.
BU (V)
BU+ACC (V)
FM (V)
AM(V)
CD (V)
AUX (V)
68
4.94
4.95
4.76
4.76
4.87
4.79
69
0
0
0.58
0.57
0
0.59
70
0
0
2.51
2.51
0
2.52
71 ~ 72
0
0
0
0
0
0
73
4.98
4.97
4.80
4.80
4.91
4.84
74
0
0
0
2.34
0
2.31
75
0
0
2.45
0.01
0
0.03
76
0
0
0
0
0
0
77
0
0
0.08
0.08
0
0
78
0
0
1.04
1.04
1.05
0
79
0
0
0
0
0
0
80
2.53
2.52
2.45
2.46
2.50
2.47
PIN NO.
BU (V)
BU+ACC (V)
FM (V)
AM(V)
CD (V)
AUX (V)
1 ~ 2
0
0
0
0
0
0
3
0
0
2.75
2.74
2.74
2.74
4
0
0
4.76
4.82
4.83
4.84
5
0
0
2.74
2.74
2.75
2.75
6
14.40
14.40
14.38
14.38
14.38
14.38
7
0
0
2.75
2.74
2.74
2.74
8
0
0
0
0
0
0
9
0
0
2.68
2.73
2.73
2.74
10
0
0
13.17
13.15
13.16
13.16
11
0
0
3.04
3.07
3.07
3.08
12
0
0
3.09
3.11
3.11
3.11
13
0
0
0
0
0
0
14
0
0
3.09
3.11
3.11
3.11
15
0
0
3.04
3.07
3.07
3.08
16
0
0
2.29
2.40
2.41
2.40
17
0
0
2.71
2.74
2.74
2.74
18
0
0
0
0
0
0
19
0
0
2.73
2.74
2.74
2.74
20
14.40
14.40
14.38
14.38
14.38
14.35
21
0
0
2.76
2.73
2.73
2.73
22
0
0
4.54
4.55
4.58
4.56
23
0
0
2.72
2.76
2.76
2.77
24 ~ 25
0
0
0
0
0
0
IC, LA4743B
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