Service manual

MD-MT831H/W
– 31 –
PIN
NO.
VOLTAGE
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
100
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
IC401
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
1
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
PIN
NO.
VOLTAGE
IC101
0.27V
0.27V
0.27V
0.27V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
0.27V
1.48V
–
–
2.50V
2.50V
1.55V
–
1.26V
1.26V
0.23V
1.26V
1.26V
1.27V
1.27V
0.25V
2.50V
1.50V
–
1.26V
–
0.28V
1.26V
0.28V
0.27V
IC201
0.90V 2.50V 2.20V
IC501
2.51V
1.43V
IC701 IC830
1.25V
IC841
2.36V
IC202 IC351
IC402
IC871
IC404 IC354
IC353
IC601
IC703
IC771
IC801
IC802
3
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
3
100
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
3
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
3
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
3
2
4
5
3
1
2
4
5
6
7
8
9
10
11
12
3
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
3
1
2
4
5
6
7
8
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
3
1
2
4
5
6
7
8
9
10
11
12
13
14
3
1
2
4
5
3
1
2
4
5
6
7
8
3
1
2
4
5
6
3
37
38
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
39
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
3
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
3
1
2
4
5
6
3
1.25V
1.25V
–
–
–
–
2.50V
–
–
1.27V
2.50V
2.50V
–
2.36V
0.27V
0.27V
0.20V
0.20V
0.32V
0.20V
0.70V
0.70V
2.20V
2.33V
0.36V
1.27V
–
2.50V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.26V
1.29V
1.70V
–
0.88V
2.50V
–
1.26V
–
–
–
–
–
–
–
–
0.50V
2.00V
1.40V
1.00
2.50V
0.90V
0.90V
0.90V
1.20V
1.20V
1.80V
–
2.10V
1.50V
1.70V
1.0V
1.80V
2.40V
1.60V
1.60V
1.00V
2.40V
1.90V
1.10V
1.26V
–
–
–
2.50V
–
–
–
–
–
1.00V
1.70V
–
0.75V
0.75V
2.70V
1.26V
0.27V
–
1.26V
1.26V
2.50V
–
–
1.25V
2.50V
–
2.30V
0.20V
–
–
0.24V
–
2.30V
2.20V
2.00V
2.30V
2.40V
2.36V
–
2.36V
–
2.35V
0.36V
2.33V
2.20V
0.27V
0.11V
0.60V
0.20V
2.36V
2.36V
–
–
–
2.36V
2.36V
2.70V
2.36V
2.36V
2.30V
2.36V
2.36V
2.36V
1.07V
1.13V
–
1.17V
2.33V
–
–
2.52V
2.34V
2.28V
0.12V
0.20V
0.40V
0.60V
0.44V
–
–
2.10V
2.70V
2.70V
2.36V
2.35V
2.35V
2.34V
2.36V
–
2.36V
2.36V
–
–
–
–
–
–
2.18V
2.36V
2.36V
–
1.50V
1.40V
2.10V
2.36V
2.36V
1.47V
–
–
–
–
–
–
2.32V
–
2.52V
2.36V
1.18V
2.34V
2.36V
2.36V
–
2.51V
–
–
–
–
–
–
1V
1V
1V
0.10V
–
2.51V
–
–
0.18V
–
0.27V
0.36V
–
–
2.51V
2.51V
–
–
–
1.40V
–
–
1.32V
–
–
–
–
–
–
–
–
–2.2V
–
–
2.14V
0.83V
–
–
–
1.24V
2.35V
1.22V
1.24V
1.10V
–
0.37V
–
–
–
–
0.86V
2.35V
–
–
2.75V
4.60V
1.21V
1.24V
1.22V
1.24V
4.66V
0.56V
2.70V
1.50V
1.50V
2.50V
1.80V
–
1.00V
–
0.10V
0.50V
–
2.70V
–
0.90V
–
–
4.41V
–
–
2.52V
0.24V
0.10V
2.25V
2.52V
–
10.90V
2.36V
–
4.45V
4.41V
0.10V
–
0.10V
0.20V
–
–
–
2.72V
–
–
–
–
–
–
2.72V
–
2.36V
–
–
2.36V
–
2.36V
2.36V
4.40V
–
1.14V
4.41V
–
0.20V
0.90V
0.90V
–
1.20V
1.00V
1.60V
1.80V
1.40V
1.50V
–
–
4.65V
–
–
0.72V
–
0.15V
0.15V
0.15V
0.40V
–
–
–
0.15V
–
0.15V
–
0.15V
–
0.85V
1.80V
2.44V
2.50V
–
–
–
–
–
–
4.74V
–
2.72V
2.72V
–
2.51V
–
0.20V
–
–
0.72V
0.72V
–
–
–
–
0.23V
0.05V
0.05V
4.38V
0.20V
0.26V
0.20V
0.30V
–
–
–
–
–
0.47V
–
–
–
2.36V
4.60V
–
5.10V
5.10V
0.71V
–
5.10V
4.85V
2.14V
–2.2V
–
2.14V
–
1.08V
0.38V
–
–
–
–
–
–
4.60V
–
–
–
2.72V
2.36V
–
–
2.14V
–
–2.2V
–2.2V
–
–
0.48V
–
–
57
58
59
60
61
62
63
64
0.20V
0.20V
0.20V
0.20V
–
–
4.90V
–
PIN
NO.
VOLTAGE
IC200
1
2
3
0V
2.5V
2.7V
PIN
NO.
VOLTAGE
IC203
1
2
3
0V
2.0V
2.15V
PIN
NO.
VOLTAGE
IC851
D
S
G
4.08V
0V
0.36V
PIN
NO.
VOLTAGE
IC821
1
2
4
5
6
3
2.77V
2.77V
2.77V
4.66V
2.76V
2.76V
PIN
NO.
VOLTAGE
IC2
1
2
4
5
6
7
8
3
1.00V
2.20V
–
–
–
1.76V
1.76V
1.76V
Preform the measurement on
the IC401 pin 37 in the TEST
mode with GND short-circuited.
(LCD is in "TEST" state.)
VOLTAGE