Voltage - Sharp MD-DR470HS Service Manual

(TEST mode: "TEST" on the LCD display)
'P' in the VOLTAGE column indicates pulse signals.
IC101 IC201
PIN PIN VOLTAGE PIN

VOLTAGE

NO. NO.
1 0.7 V 1 1.2 V
2.5 V
2 0.7 V 2
0.7 V 1.3 V
3 3
4 0.7 V 4 0 V
2.5 V
5 1.3 V 5
1.3 V 0 V
6 6
1.3 V
1.3 V
7 7
8 1.3 V 8 1.3 V
1.3 V 1.3 V
9 9
1.3 V
10 1.3 V 10
1.3 V 1.3 V
11 11
1.3 V 1.3 V
12 12
13 1.3 V 13 1.3 V
1.3 V 1.6 V
14 14
0 V
15 1.3 V 15
1.3 V 0 V
16 16
1.3 V 0 V
17 17
0 V
18 1.3 V 18
19 1.3 V 19 P
0 V
20 1.3 V 20
21 1.3 V 21 0 V
1.3 V 0 V
22 22
0 V
23 1.3 V 23
24 0.7 V 24 0 V
0 V 0 V
25 25
26 2.5 V 26 0 V
2.5 V 2.5 V
27 27
2.5 V
28 2.5 V 28
29 2.5 V 29 0 V
P P
30 30
0 V
31 0 V 31
1.3 V P
32 32
1.3 V 1.2 V
33 33
0 V 1.2 V
34 34
1.3 V 1.2 V
35 35
P
36 1.3 V
36
37 1.3 V 37 P
38 1.3 V 38 P
2.5 V
39 0 V 39
40 2.5 V 40 0 V
2.4 V
41 2.5 V 41
42 0 V 42 0 V
43 1.3 V 43 0 V
0 V
44 0 V 44
45 0 V 45 2.5 V
1.3 V 0 V
46 46
47 0 V 47 2.5 V
0.7 V 0 V
48 48
0 V
49
50 0 V
IC202
51 0 V
PIN
52
0 V
VOLTAGE
NO.
53
2.5 V
1
2.5 V
54
0 V
2
0 V
55
P
3 0 V
56
0 V
4 2.5 V
57 0 V
5
P
58
0 V
6 0 V
59
P
7 0 V
60 2.5 V
8 2.5 V
61
0 V
9 0 V
62 0 V
10
0 V
63
0 V
11 0 V
64
0 V
12
2.5 V
13
0 V
IC254
14 0 V
PIN
VOLTAGE
15 0 V
NO.
16 0 V
1
0.2 V
17 0 V
2
0 V
18
0 V
3 0 V
19
0 V
4
2.5 V
20
2.5 V
5 2.5 V
21 P
22 0 V
IC271
23
0 V
PIN
VOLTAGE
24 NO.
0 V
1
1 V
2
0 V
3
1 V
4
2.1 V
5 2.5 V
IC401
PIN VOLTAGE PIN
VOLTAGE
NO. NO. NO.
65 0 V 1 0 V
66 2.5 V 2 0 V
67 0 V 2.5 V
3
68 P 4 0 V
69 P 5 0 V
70 2.5 V 0 V
6
71 0 V 0 V
7
72 P 8 0 V
73 P 2.5 V
9
74
0 V 10 2.4 V
75 2.5 V P
11
2.5 V
76 12 0 V
77 2.5 V 13 P
78 2.5 V 2.5 V
14
79
2.5 V 15 2.5 V
80 0 V 2.5 V
16
81 2.5 V 2.5 V
17
82 1.1 V 18 2.5 V
83 1.1 V 19 2.5 V
84 2.4 V 20 2.5 V
85 0 V 21 2.3 V
86 2.5 V 0 V
22
87 0 V 23 2.5 V
88 2.5 V 24 0 V
0 V 0 V
89 25
90 0 V 26 0 V
0 V 0 V
91 27
92
0 V 28 0 V
93
1.4 V 29 P
94 P P
30
95
0 V 31 P
96 2.5 V 2.5 V
32
97 0 V
33 P
98 0 V 2.3 V
34
99 0 V P
35
100
P 0 V
36
101 P 37 P
102 P 38 2.5 V
103 2.5 V 39 2.5 V
104 0 V 40 2.5 V
105
0 V 41 0 V
106 0 V 42 2.5 V
107 0 V 43 30 V
108
0 V 44 2.5 V
109 2.5 V 45 2.1 V
110 2.5 V 2.5 V
46
111 0 V 47 2.5 V
112 0 V 0 V
48
113 0 V 49 2.5 V
114 100
2.5 V 50 2.5 V
115 2.4 V
116 IC353
0 V
PIN
117 2.5 V
VOLTAGE
NO.
118
P
1 0 V
119
P
2 0 V
120
P
3 2.5 V
121
P
4 0 V
122
0 V
5 0 V
123 P
2.5 V
6
124
0 V
125 0 V
IC354
126
P
PIN
VOLTAGE
127 P
NO.
128 P
1
0 V
2
0 V
IC351
3 0 V
PIN
4
0 V
VOLTAGE
NO.
5
0 V
1 0 V
2
P
IC402
3 0 V
PIN
VOLTAGE
4
0 V
NO.
5
P
1
0 V
6 0 V
2 2.5 V
7 0 V
3 0 V
8 0 V
4
0 V
9 P
5 2.5 V
10
0 V
6 0 V
11 0 V
7 2.5 V
12
P
8 2.5 V
13
0 V
14 4.5 V
VOLTAGE
IC601
PIN
VOLTAGE VOLTAGE
NO.
51 2.5 V 1 0 V
2 V
52 0 V 2
53 0 V 2 V
3
54 2.5 V 0 V
4
0 V
55 0 V 5
56 0 V 0 V
6
0 V
57 2.5 V
7
0 V
58 P
8
59 2.5 V 0 V
9
60 2.5 V
2.5 V 10
61 2.5 V 0 V
11
0 V
62 0 V 12
0 V
63 2.5 V 13
64 0 V 2.5 V
14
65 0 V
0 V
15
66 0 V 0 V
16
67 2.5 V 0 V
17
0 V
68 2.5 V 18
69 0 V 19 2.5 V
0 V
70 2.5 V 20
0 V
71 0 V
21
72 2.5 V 0 V
22
0 V
73 0 V 23
74 2.5 V 24 0 V
2.5 V 0 V
75 25
2 V
76 P 26
P 2 V
77 27
78 0 V
P 28
79 0 V
0 V
29
80 0 V 0 V
30
81 0 V
P 31
82 0 V 0 V
32
83 0 V
P 33
0 V
84 P
34
85 P 2.5 V
35
86 0 V
P
36
87 0 V 37 P
88 0 V 0 V
38
2.5 V+P
89 2.1 V 39
90 0.5 V 40 6.3 V-P
91 6.3 V
2.3 V 41
2.5 V
92 2.5 V
42
93 1.5 V 2.5 V
43
94 0 V
0 V 44
95 0 V 2.5 V
45
96 2.5 V 46 2.5 V
0 V
97 2.5 V 47
98 2.5 V 48 2.5 V
0 V
99 2.5 V 49
0 V
0 V 50
0 V
51
IC501 0 V
52
PIN
53 0 V
VOLTAGE
NO.
0 V
54
1 0 V
0 V
55
2 0 V
56 0 V
3 0 V
57 2 V
4 0 V
58 0 V
5 2.3 V
59 1.3 V
2.3 V
6
2 V
60
0 V
7
2 V
61
8 0 V
2 V
62
9 0 V
2 V
63
10 P
64 0 V
11 P
12 P
IC751
13 0 V
PIN
VOLTAGE
0 V NO.
14
0 V 1
15 P
2
16 0 V 2.5 V
3 P
4
P
IC771
5 2.5 V
PIN
VOLTAGE
NO.
6 P
1
2.5 V
7 0 V
2
0 V
8 P
3
2.5 V
9 P
4
0 V
10
2.5 V
5 2.3 V
11 P
12
P
13 2.5 V
14 2.5 V
– 37 –
MD-DR470H/MD-DR480H
IC701 IC821
PIN PIN
VOLTAGE VOLTAGE
NO. NO.
1 0 V 1 P
2 0 V 2 0 V
0 V 2.5 V
3 3
4 0 V 4 P
5 0 V 5 0 V
0 V 1.1 V
6 6
0 V 2.5 V
7 7
8 0 V 8 1.2 V
0 V 0 V
9 9
10 0 V 10 2.5 V
0 V 0 V
11 11
0 V 1.3 V
12 12
13 0.9 V 13 2.5 V
0 V 0 V
14 14
15 0 V 15 0 V
0 V 0 V
16 16
2.3 V 0 V
17 17
18 0 V 18 2.5 V
19 0 V 19 1.1 V
20 0 V 20 0 V
IC761 IC842
PIN PIN
VOLTAGE VOLTAGE
NO. NO.
1 1
P 0 V
2
2 0 V
0 V
3
3 P 2.5 V
4
4 P 0 V
5 5
2.4 V 4.5 V
6 P
Q252
7 0 V
PIN
8 P
VOLTAGE
NO.
9 P
1
0 V
10
2.4 V
2
2.5 V
11 P
3
0.2 V
12 P
13
0 V
Q253
14 2.4 V
PIN
VOLTAGE
NO.
IC803
1
0 V
PIN
VOLTAGE
2 0 V
NO.
0 V
3
1
3.5 V
4
0 V
2 3.6 V
5 0.6 V
3 0 V
6 0.6 V
4
0 V
Q493
IC813
PIN
PIN VOLTAGE
VOLTAGE
NO.
NO.
1 2.5 V
1 0 V
2 2.5 V
2 P
3 0 V
P
3
4 2.5 V
4 P
5 2.5 V
P
5
6 2.5 V
6 P
P
7
Q701
P
8
PIN
P VOLTAGE
9
NO.
10 0 V
1
2.5 V
11 P
2
2.5 V
12 P
3
0 V
P
13
14 P
Q702
P
15
PIN
VOLTAGE
P
16
NO.
17 P
1
2.5 V
P
18 2
2.5 V
19 0 V
3 0 V
20 2.5 V
Q803
IC841
PIN
VOLTAGE
NO.
PIN
VOLTAGE
NO.
1
3.6 V
1
2 V
2
0 V
2
2.5 V
3
0 V
3 0 V
4
0 V
Q711
5
P
PIN
VOLTAGE
NO.
1 (B)
0 V
2 (E)
0 V
3 (C)
1.7 V
Q721 Q809
PIN PIN
VOLTAGE VOLTAGE
NO. NO.
1
4.5 V 1 0 V
2 2
4 V 2.5 V
3 4.5 V 3 4.8 V
4 4.8 V
5 0 V
Q761
6 0 V
PIN
VOLTAGE
NO.
1
0 V
Q828
2 P
PIN
VOLTAGE
NO.
3 0 V
1 2 V
4 0 V
2
5 P 0.2 V
3 2 V
6 0 V
4
4.6 V
5 0 V
Q751
2 V
PIN 6
VOLTAGE
NO.
7 2 V
1
0 V
8 2 V
2 P
3 0 V
Q841
4
0 V
PIN
VOLTAGE
5 P NO.
1
0 V P
6
2
0 V
3
Q752 P
PIN
VOLTAGE
NO.
Q843
1 0 V
PIN
VOLTAGE
2
P NO.
3 0 V 1
2.5 V
4 0 V
2 2.5 V
5 P
3 0 V
6 0 V
4 2.5 V
5 2.5 V
Q762
6 2.5 V
PIN
VOLTAGE
NO.
Q865
1 0 V
PIN
VOLTAGE
2
P NO.
3 0 V 1
0.6 V
4 0 V 2
0 V
5 P 3 0 V
6 0 V
Q863
Q801
PIN
VOLTAGE
NO.
PIN
VOLTAGE
NO. 1
P
1
3.6 V
2
0 V
2
4.7 V 3
P
3
2 V
Q255
Q802
PIN
VOLTAGE
NO.
PIN
VOLTAGE
NO.
1
0 V
1
0 V
2 2.5 V
2 2 V
3 2.5 V
3 4.8 V
4
2.5 V
4
2 V
5 0 V
5 2 V
6 0 V
2 V
6
Q804
PIN
VOLTAGE
NO.
1
2 V
2
2.5 V
3 2.5 V
Q805
PIN
VOLTAGE
NO.
1
2.5 V
2
0 V
3
0 V
Q806
PIN
VOLTAGE
NO.
1 0.7 V
2
1.3 V
3 3.6 V
4
0.7 V
5 1.2 V
4.7 V
6