Voltage - Sharp MD-MT180 Service Manual

Portable
Table of Contents

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IC101
IC201
PIN
PIN
VOLTAGE PIN

VOLTAGE

NO.
NO.
NO.
1
0.27V
1
0.79V
2
0.27V
2
2.61V
0.27V
3
3
1.31V
4
0.27V
4
0V
5
1.31V
5
2.61V
1.31V
6
6
1.31V
1.31V
7
7
1.31V
8
1.31V
8
1.31V
9
1.31V
9
1.31V
10
1.31V
10
1.31V
11
1.31V
11
1.31V
12
1.31V
12
1.31V
13
1.31V
13
1.31V
14
1.31V
14
1.63V
15
1.31V
15
0V
16
1.31V
16
0V
17
1.31V
17
1.31V
18
1.31V
18
0V
19
1.31V
19
0V
20
1.31V
20
0V
21
1.31V
21
0V
22
1.31V
22
0V
23
1.31V
23
0V
24
0.28V
24
0V
25
1.49V
25
0.23V
26
0V
26
0.6V
27
0V
27
0.6V
28
2.61V
28
0.6V
29
2.61V
29
1.45V
30
2.36V
30
1.03V
31
0V
31
2.61V
32
1.31V
32
0.6V
33
1.31V
33
0.9V
34
0.26V
34
0.9V
35
1.08V
35
0.9V
36
0V
0.9V
36
37
1.31V
37
1.88V
38
1.31V
38
0V
39
0.27V
39
2.1V
40
2.61V
40
1.8V
41
1.53V
41
1.8V
42
0V
42
1.1V
43
1.31V
43
1.8V
44
0.19V
44
2.5V
45
0.29V
45
1.1V
46
1.31V
46
1.8V
47
0.29V
47
1.1V
48
0.51V
48
2.5V
49
1.98V
IC202
100
50
1.1V
PIN
VOLTAGE
NO.
IC251
1
2.6V
PIN
VOLTAGE
NO.
2
1.8V
1
2.1V
3
0V
2
0V
4
0V
3
0V
5
0V
4
0V
6
0.3V
4.36V
5
7
1.1V
2.1V
6
8
1.45V
2.1V
7
9
0.58V
2.1V
10
8
0V
11
0.59V
IC253
12
2.61V
PIN
VOLTAGE
13
0V
NO.
14
0.55V
1
0V
15
0.85V
2
0V
16
0.85V
3
0V
17
0.85V
4
4.55V
18
0.85V
4.51V
5
19
1.1V
0V
6
20
1.88V
IC255
21
2.05V
PIN
22
1.82V
VOLTAGE
NO.
23
1.82V
–1.03V
1
24
0V
0V
2
0V
3
–2.3V
4
0V
5
0V
6
–1.69V
7
2.6V
8
IC256
PIN
VOLTAGE
NO.
1
0V
2
0V
3
0V
4
0V
5
1.95V
6
1.95V
VOLTAGE
IC401
PIN
VOLTAGE PIN
VOLTAGE
NO.
NO.
51
1.3V
0V
51
1
0V
0V
52
2
52
0V
53
2.52V
53
3
0V
54
4
2.5V
54
2.6V
55
0V
5
55
0V
56
0V
56
6
0V
57
0V
57
7
0V
0V
58
8
58
0V
0V
59
59
9
0V
60
10
0V
60
0.9V
61
2.38V
61
11
1.6V
62
2.52V
62
12
0V
63
13
2.45V
63
64
0.71V
2.45V
64
14
65
0.71V
2.52V
65
15
2.6V
66
0V
66
16
1.3V
67
2.52V
67
17
0.46V
68
0V
68
18
0V
69
19
0V
69
1.3V
70
20
0V
70
1.3V
2.52V
71
21
71
0V
2.52V
72
72
22
0V
0.9V
73
23
73
0V
0.88V
74
24
74
1.3V
75
25
0.88V
75
1.3V
76
26
1.03V
76
0V
77
27
0.8V
77
78
0V
0.8V
78
28
0V
79
0.58V
79
29
0V
80
0.58V
80
30
0V
81
0V
81
31
2.6V
82
0V
82
32
0V
83
2.61V
83
33
84
0V
2.58V
84
34
1.3V
85
2.58V
85
35
2.6V
86
2.52V
86
36
2.6V
87
37
0V
87
0V
88
38
2.52V
88
0.86V
89
39
0V
89
90
0.86V
90
40
2.52V
91
0.86V
0V
91
41
0.86V
92
2.52V
92
42
0.86V
93
2.52V
93
43
0.86V
94
0V
94
44
0.86V
95
45
0V
95
0.86V
96
46
0V
96
0.86V
0V
97
47
97
2.52V
0V
98
48
98
2.52V
99
0V
49
99
0V
50
2.52V
100
IC351
IC257
PIN
PIN
VOLTAGE
VOLTAGE
NO.
NO.
1
0V
0V
1
2
0V
0V
2
3
0V
4.47V
3
4
0V
0V
4
5
0V
IC258
6
4.47V
PIN
7
0V
VOLTAGE
NO.
8
1.18V
1
0V
9
4.46V
0.59V
2
10
0V
4.16V
3
11
1.18V
4
0V
12
4.46V
5
0V
13
0V
6
0V
14
4.5V
IC259
IC353
PIN
VOLTAGE
PIN
NO.
VOLTAGE
NO.
0V
1
1
0.23V
0.54V
2
2
0.23V
0.54V
3
3
0V
4
0V
4
0.42V
0.54V
5
5
0V
2.51V
6
6
2.61V
IC260
IC354
PIN
PIN
VOLTAGE
NO.
VOLTAGE
NO.
1
0V
1.07V
1
2
0V
0V
2
–2.36V
3
0V
3
4
0V
4
0V
5
0V
0V
5
6
–0.2V
– 43 –
IC601
PIN
VOLTAGE
VOLTAGE
NO.
2.52V
1
0V
2.52V
2
0V
2.52V
0V
3
2.52V
4
0V
0V
0V
5
0V
0V
6
2.52V
0V
7
2.52V
2.1V
8
0V
0V
9
2.52V
10
0V
2.44V
11
0V
2.52V
0V
12
2.52V
2.1V
13
2.52V
0V
14
2.52V
0V
15
1.14V
2.52V
16
1.18V
17
0V
2.49V
2.61V
18
0V
0.78V
19
2.49V
2.61V
20
2.44V
0V
21
0V
0V
22
2.61V
23
0V
2.47V
24
-
2.5V
-
25
0.15V
0.32V
26
2.52V
0.25V
27
2.52V
2.61V
28
0V
29
0.23V
2.13V
30
0V
1.49V
0V
31
2.52V
2.61V
32
2.52V
0.21V
33
2.52V
1.3V
34
0V
2.1V
35
0V
0V
36
0V
37
0V
0V
1.85V
38
0V
0V
39
0V
40
1.85V
0V
41
2.1V
2.52V
1.68V
42
0V
0V
43
2.61V
2.61V
44
2.52V
0V
45
0V
46
2.52V
2.5V
47
2.52V
2.52V
48
2.52V
2.52V
49
1.3V
2.52V
50
2.2V
51
3.91V
IC402
52
6.5V
PIN
53
VOLTAGE
7.81V
NO.
54
0V
1
0V
55
0V
2
2.52V
56
0V
0V
3
57
0V
4
0V
58
0V
5
0V
59
0V
6
0V
60
0V
2.52V
7
61
0V
8
0V
62
0V
IC431
63
0V
PIN
64
0V
VOLTAGE
NO.
0V
IC651
1
2.52V
PIN
2
VOLTAGE
NO.
0V
3
1
0V
0V
4
2
0V
IC501
3
0V
PIN
4
0V
VOLTAGE
NO.
5
0V
1
0V
6
0V
2
1.1V
7
1.07V
1.1V
3
8
0V
0V
4
9
1.07V
2.31V
5
0V
10
0V
6
0V
7
0V
8
0V
9
10
1.3V
1.26V
11
1.29V
12
0V
13
0V
14
0.54V
15
0.62V
16
MD-MT180
IC701
IC809
PIN
PIN
VOLTAGE
VOLTAGE
NO.
NO.
1
0.9V
1
0V
2
0V
2.52V
2
3
0.72V
4.53V
3
4
0V
4.56V
4
5
0V
0V
5
6
0V
0V
6
0V
7
IC841
8
0V
PIN
9
0V
VOLTAGE
NO.
10
0V
1
-
11
0V
2
2.516V
12
0V
2.098V
3
13
0V
4
2.038V
14
0V
0V
5
15
0V
16
0V
IC852
–2.39V
17
PIN
VOLTAGE
NO.
18
0V
1
0V
19
0V
2
2.5V
20
2.56V
0V
3
21
0.88V
4
0V
22
0V
5
0.93V
23
0V
6
0.93V
24
0V
0V
7
IC703
0V
8
PIN
VOLTAGE
NO.
IC871
1
0V
PIN
VOLTAGE
2
0V
NO.
1
1.286V
3
0.29V
2
2.513V
4
0V
3
0V
5
0V
0V
4
6
2.61V
5
2.515V
7
–2.41V
8
0V
IC873
0V
9
PIN
10
0V
VOLTAGE
NO.
11
0V
1
6.94V
12
1.32V
2
0V
13
2.52V
3
2.51V
14
2.61V
4
-
0V
15
5
4.53V
2.61V
16
17
0V
IC892
18
–2.41V
PIN
VOLTAGE
NO.
19
–2.41V
1
0V
20
0V
2
0V
21
0V
0V
3
1.29V
22
4
1.69V
23
0V
5
0.6V
24
0V
0V
6
IC771
IC902
PIN
VOLTAGE
NO.
PIN
VOLTAGE
NO.
2.579V
1
1
0V
0V
2
2
0V
2.579V
3
2.61V
3
0V
4
2.321V
5
IC801
PIN
VOLTAGE
NO.
1
0V
2
4.6V
3
2.02V
4
0V
IC802
PIN
VOLTAGE
NO.
0.49V
1
1.06V
2
0V
3
0.49V
4
1V
5
4.76V
6
IC803
PIN
VOLTAGE
NO.
1
4.55V
2
4.60V
3
0V
4
0V

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