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SA-HT833VP
18 Voltage Measurement and Waveform Chart
Note:
· Indicated voltage values are the standard values for the
unit measured by the DC electronic circuit tester (high-
impedance) with the chassis taken as standard.
Therefore, there may exist some errors in the voltage
values, depending on the internal impedance of the DC
18.1. Voltage Measurement
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MODE
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MODE
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MODE
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MODE
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MODE
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MODE
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MODE
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MODE
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MODE
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MODE
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MODE
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MODE
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1
2
3
4
5
6
7.5
0
0
0
7.5
3.1
1
2
3
4
5
6
7.5
0
0
0
7.5
7.5
1
2
3
4
1.2
2.4
5
0
1
2
3
4
0
1.2
0.1
0
1
2
3
4
5
6
12.1
2.8
-0.1
2.8
0
0
21
22
23
24
25
26
12.1
0.8
0.8
0
0
0
1
2
3
4
5
16.4
4.8
4.9
0
0
1
2
3
4
5
6
0
0
0
0
5.1
5.1
1
2
3
4
5
6
0
0
0
0
0
2.6
21
22
23
24
25
26
2.8
5
2.3
0.6
0
3
41
42
43
44
45
46
2.8
2
2.1
0
3.2
3.2
61
62
63
64
65
66
0
2.4
2.2
2.5
2.2
2.5
81
82
83
84
85
86
0.7
0
0.3
4.9
2.2
2.2
1
2
3
4
5
6
5
1.4
5
1.3
0
1.4
1
2
3
4
5
6
2.4
0
2.4
0
2.4
2.5
21
22
23
24
25
26
2.1
2.1
0
2.1
5.1
2.1
41
42
43
44
45
46
0
4.1
0
0
0
3.5
61
62
63
64
2.5
2.5
2.5
0.7
1
2
3
4
5
6
0
0
5.1
5.1
0
0
21
22
23
24
25
26
5.1
0
4.3
2
0
0
41
42
43
44
45
46
0
0
0
0
5
0
61
62
63
64
65
66
0
0.2
0
0
0
0
81
82
83
84
85
86
0
0
0
0
0
2.5
circuit tester.
· Circuit voltage and waveform described herein shall be
regarded as reference information when probing defect
point because it may differ from actual measuring value
due to difference of Measuring instrument and its
measuring condition and product itself.
CD LOADING PCB
IC11
7
8
9
0
0
3.1
IC21
7
8
9
3.1
0
3.1
MAIN PCB
IC1511
IC1512
IC2501
7
8
9
10
11
12
16.5
0
0
1.1
3.8
0
IC2501
27
0
IC2502
IC2601
7
8
9
10
11
12
-1.9
0
0
0
0
0
IC3001
7
8
9
10
11
12
2.8
1.9
1.9
1.9
2.1
1.8
IC3001
27
28
29
30
31
32
0.6
0
1.6
2.2
0.2
2.3
IC3001
47
48
49
50
51
52
5
4.9
3.8
5
2.2
5
IC3001
67
68
69
70
71
72
2.2
2.5
2
2.7
0.7
4.9
IC3001
87
88
89
90
91
92
2.2
0
2.2
2.2
2.2
5
IC3701
IC4501
7
8
9
10
11
12
2.1
0.7
0
0
0
2.1
IC4501
27
28
29
30
31
32
0
4.3
1.8
1.7
0
2.5
IC4501
47
48
49
50
51
52
2.7
2.2
0
3
5.1
2.7
IC4501
IC6001
7
8
9
10
11
12
0.7
0.7
3.1
-
0
5.1
IC6001
27
28
29
30
31
32
5
0.1
0
5
5
5
IC6001
47
48
49
50
51
52
1.4
2.3
0
1
1.1
0
IC6001
67
68
69
70
71
72
0
4.7
0.8
4.7
4.1
3.8
IC6001
87
88
89
90
91
92
2.5
0
2.1
2.5
2.5
2.5
70
13
14
15
16
17
18
0.4
5
2.5
2.5
2.5
2.5
13
14
0
5.8
13
14
15
16
17
18
0
1.4
2.8
2
2.8
2.1
2.8
33
34
35
36
37
38
2
3.1
2.4
2.4
3
2.2
1.5
53
54
55
56
57
58
2.6
0
2
0
2.2
2
73
74
75
76
77
78
4
3.8
2.8
2.2
2.8
4.9
93
94
95
96
97
98
1.9
2.5
2.5
2.5
0
2.3
13
14
15
16
17
18
2.5
0
0
2.6
0.8
2.5
2.5
33
34
35
36
37
38
2.5
0.8
2.7
0.1
1.7
0
0.1
53
54
55
56
57
58
6
2.4
0
-
6
12.2
13
14
15
16
17
18
0
5
3.2
0
5
0
33
34
35
36
37
38
0
5
1.5
1.4
5
2.2
2.3
53
54
55
56
57
58
5
3
1.3
1.3
0
0
73
74
75
76
77
78
2.5
0
4.8
0
5
5
0.1
93
94
95
96
97
98
0
2.5
2.5
2.5
2.5
51
5.1
19
20
5
0.8
19
20
0
39
40
2.1
59
60
5
5
79
80
0
2.3
99
100
0
2.6
19
20
2.1
39
40
5.1
59
60
6
0.7
19
20
0
0
39
40
0
59
60
0
0
79
80
5.1
99
100
0.2
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