Aiwa CDC-Z107 service manual IC, LA4743B

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

IC, LA4743B

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

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