Voltage - Sharp DK-A1 Service Manual

DK-A1/DK-A1BK
CHAPTER 5. CIRCUIT DESCRIPTION

[1] Voltage

IC 401
PIN VOLTAGE
NO (V)
1 4.50
2 4.50
3 4.50
4 0.00
5 4.48
6 4.52
7 4.51
8 8.96
IC 403
PIN VOLTAGE
NO (V)
1 5.00
2 0.00
3 502.00
4 0 0 . 0
5 0 0 . 0
6 0.00
7 0.00
8 0.75
9 0.00
10 9.00
1 1 5 0 . 2
1 2 5 0 . 0
13 0.00
14 5.00
Q 408
PIN VOLTAGE
NO (V)
E 2.12
C 2.09
B 1.47
PIN VOLTAGE
NO (V)
1 -25.21
2 -25.21
3 -25.23
4 -25.23
5 3.192
6 0.00
7 2.01
8 0.92
9 0.00
10 0.00
11 3.288
12 1.51
13 1.51
14 0.00
15 -25.15
16 -22.44
IC 402
PIN VOLTAGE PIN
NO (V)
1 4.17
2 4.17
3 4.15
4 0.00
5 4.15
6 4.16
7 4.16
8 8.32
IC 404
PIN VOLTAGE
NO (V)
1 7.87
2 7.87
3 15.60
4 1 5 . 4
5 0 0 . 0
PIN
6 4.66
7 3.16
8 0.00
9 0.00
10 0.00
1 1 0 0 . 0
1 2 1 5 . 3
PIN
13 15.72
14 7.61
15 7.61
Q 409
PIN VOLTAGE PIN
NO (V)
E 5.05
C 5.05
B 0.00
IC 100
PIN VOLTAGE PIN
NO (V)
17 -25.20
18 0.00
19 -25.20
20 0.00
21 -19.70
22 -27.95
23 0.00
24 -28.00
25 -28.00
26 -19.73
27 -22.46
28 -25.08
29 -27.95
30 -25.22
31 -22.44
32 -22.44
IC 405
VOLTAGE PIN
NO (V) NO
1 7.77
2 7.77
3 15.54
4 1.54
5 0.00
PIN
6 4.66
7 3.17 NO
8 0.00
9 0.00
10 0.00
11 0.00
12 1.54
PIN
13 15.44
14 7.61 NO
15 7.61
Q 406
VOLTAGE
NO (V)
E 0.00 PIN
C 0.00 NO
B 0.70
Q 411
VOLTAGE
NO (V)
E 5.05
C 5.04
B 0.00
Q 410
VOLTAGE PIN
NO (V) NO
E 0.00
C 0.00
B 2.94
VOLTAGE PIN
NO (V) NO
33 -25.07
34 -22.33
35 -25.07
36 -22.34
37 -22.34
38 -25.05
39 -27.82
40 -25.07
41 -22.34
42 -19.61
43 -27.74
44 -27.75
45 -22.76
46 -19.54
47 -22.30
48 -25.07
5 – 1
Q 402
VOLTAGE
(V)
E 0.00
C 0.00
B -2.20
Q 403
VOLTAGE
(V)
E 0.00
C 0.00
B -1.95
Q 404
VOLTAGE
(V)
E 0.00
C 0 0 . 0
B 1 - 7 . 2
Q 405
VOLTAGE
(V)
E 0.00
C 0 0 . 0
B 0 7 . 0
Q 407
VOLTAGE
(V)
E 0.00
C 0.00
B 2.94
VOLTAGE
(V)
49 -25.05
-25.05
50
-22.30
51
52 3.286
53 -27.76
54 -27.76
55 -27.76
56 -27.76
-27.76
57
58 -27.76
59 -25.07
60 -25.07
61 -25.07
62 -25.07
63 -25.07
64 -25.07