Aiwa CDC-R227 Service Manual page 31

VOLTAGE CHART -4/4
QQ
3 7 63 1515 0
IC901 (2/2) LC75854W
NO. PIN NAME TUNER(FM)
45 KS2
46 KS3
47 KS4
48 KS5
49 KS6
50 KI1
51 KI2
52 KI3
53 KI4
54 KI5
55 TEST
56 VDD
57 VDD1
58 VDD2
59 VSS
60 OSC
61 D O
62 C E
63 C L
64 D I
TE
IC501 LA4743J
L 13942296513
PIN NAME TUNER(FM)
NO.
1 T AB
2 PW R GND2
3 OUT 2( - )
4 ST BY
5 OUT 2( +)
6 VCC 1/ 2
7 OU T 1( - )
8 PW R GND1
9 OUT1( + )
10 R.F
11 I N1
12 I N 2
13 PRE - GN D
14 I N 4
15 I N 3
16 ON T I M E C
17 OU T 3( + )
18 PW R GND 3
19 OU T 3( - )
20 VCC 3/ 4
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21 OU T4( + )
22 M U T E
23 OU T4( - )
.
24 PW R GND 4
25 N C
http://www.xiaoyu163.com
CD
2. 1 2. 1
4. 1 4. 1
4. 1 4. 1
4. 1 4. 1
4. 1 4. 1
0 0
0 0
0 0
0 0
0 0
0 0
4. 1 4. 1
2. 7 2. 7
1. 4 1. 4
0 0
3. 2 3. 2
4. 1 4. 1
0 0
4. 6 4. 6
0 0
CD
0 0
0 0
2. 8 2. 8
4. 2 4. 2
2. 8 2. 8
1. 4 1. 4
2. 8 2. 8
0 0
2. 8 2. 8
1. 4 1. 4
3. 0 3. 0
3. 1 3. 1
0 0
3. 0 3. 0
3. 0 3. 0
2. 5 2. 5
2. 8 2. 8
0 0
2. 8 2. 8
1. 4 1. 4
2. 8 2. 8
4. 2 4. 2
x ao u163
y
2. 8 2. 8
i
0 0
0 0
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2 9
8
AUX
2. 1
4. 1
4. 1
4. 1
4. 1
0
0
0
0
0
0
4. 1
2. 7
1. 4
0
3. 2
4. 1
0
4. 6
0
Q Q
3 6 7 1 3 1 5
AUX
0
0
2. 8
4. 2
2. 8
1. 4
2. 8
0
2. 8
1. 4
3. 0
3. 1
0
3. 0
3. 0
2. 5
2. 8
0
2. 8
1. 4
2. 8
4. 2
co
2. 8
.
0
0
-31-
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9