Radio Shack PRO-2050 Service Manual page 43

Ref.
Pin Voltage Remarks
No.
2 1.3
3
1.3
4 1.3
5
3.1
6
0
7 0
IC11 8 0
9 0
10 0
11 0.1
12 3.1
13 0.1
14 3.8
1 0
2 0
3 0
4 0
5
3.1
6 3.1
7 3.1
8 3.1
9 0
10 0
11 0
12 0
13 0
14 0
15 3.1
16 0
17 0
18 0
19 0
IC201
20 0
21 3.1
22 3.1
23 0
24 3.1
25 3.1
26 0
27 0
28 0
29 0
30 0
31 0
32 0
33 0
34 0
35 0
36 0
37 0
38 0
Unit [V]
Ref.
Pin Voltage
Remarks
No.
39
3.1
40
3.1
41
3.1
42
3.1
43
NC
44
3.1
45
3.1
46
NC
47 3.1
48 3.1
49 3.1
50 0
51 1.5
52 1.4
53 3.1
54 0
55 0
56 0
57 NC
58 0
59 1.0
IC201
60 1
61 0
62 0
63 3.2
64 0
65 0
66 3.1
67 3.1
68 3.1
69 0
70 0
71 3.3
72 3.2
73
0
74
NC
75 1.5
76
3.1
77
0
78 0
79 0
80 3.1
1 - Square wave
2
-
Square wave
3
-
Square wave
4
- Square wave
IC202
5 - Square wave
6 - Square wave
7 -
Square wave
8
-
Square wave
9 - Square wave
Unit [V] IC'S
-42-