Voltage Charts; Waveforms - JVC AV-28X5BU Service Manual

VOLTAGE CHARTS

<MAIN PWB(1/2)> <MAIN PWB(2/2)>
[P.2-5 2-6] [P.2-7 2-8]
MODE MODE MODE MODE MODE
DC (V) DC (V) DC (V) DC (V) DC (V)
PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
IC 101 7 14.2 IC 201 Q 201 IC 941
1 0 8 0.7 1 3.9 E 4.4 1 25.3
2 4.5 9 0 2 4.4 C 4.5 5 -47.5
3 4.5 10 29.6 3 3.9 B 0 6
4 1.6 11 15.5 4 4.4 Q 202 7
5 1.5 12 14.1 5 4.4 E 1 8
6 1.6 IC 681 6 6.6 C 4.5 9 4.9
7 1.6 1 2.4 7 0 B 0 IC 951
8 1.6 2 4.6 8 3.9 Q 207 1 140.7
9 1.6 3 2.4 9 4.4 E 0 2 10.6
10 1.6 4 0 10 3.9 C 0 3
11 4.9 5 0 11 4.4 B -1.5 IC 962
12 4.9 6 2.4 12 4.4 Q 210 1 12
13 4.9 7 2.4 13 6.6 E 0.1 2 8.9
14 0 8 5.8 14 0 C -0.4 3
15 0 TU 001 15 3.9 B 0 IC 963
16 0 1 18 16 4.4 Q 211 1 13.2
17 0 2 3.2 17 3.9 E 0 2 11.9
18 0 3 0 18 4.4 C 0 3
19 0 4 4.5 19 4.4 B -1.2 4 13.2
20 0 5 4.5 20 6.6 Q 212 Q 461
21 4.9 6 0 21 0 E 0.1 S 0.5
22 0 7 4.8 22 4.4 C -1.4 D 16.3
23 0 8 0 23 4.3 B 0 G 10.5
24 0.1 9 31.4 24 4.4 Q 213 Q 462
25 0.1 10 0 25 0 E 0 E
26 0 11 2.5 26 4.4 C 0 C 2.1
27 0 12 0 27 4.5 B -1.5 B 0.4
28 0 13 2.5 28 4.4 Q 214 Q 463
29 0 14 0 29 4.3 E 0 E
30 0 15 4.9 30 4.4 C 0 C 12
31 0 16 1.3 31 3.5 B -0.3 B 0.8
32 0 17 1.8 32 4.4 Q 215 Q 464
33 3.8 18 1.7 33 3.5 E 2.1 E 2.1
34 3.8 19 4.6 34 8.9 C 0 C
35 0 20 4.5 35 0 B 1.4 B 2.6
36 3.7 21 2 36 4.9 Q 216 Q 481
37 3.7 22 2.5 37 4.4 E 3.8 E
38 6.9 Q 001 38 4.4 C 8.8 C
39 8 E 2 39 4.4 B 4.4 B 1.6
40 7 C 4.6 40 4.4 Q 217 Q 482
41 0 B 2.7 41 4.4 E 2.8 E
42 0 Q 002 42 3.6 C 8.8 C 2.1
43 0 E 3.9 43 4.1 B 3.5 B
44 0 C 8.9 44 0 Q 219 Q 501
45 3.7 B 4.6 45 4.3 E 0 S
46 0 Q 101 46 4.4 C 0 D 39.8
47 3.7 E 0 47 3.9 B 0.6 G 1.4
48 3.7 C 4.9 48 4.4 Q 305 Q 521
49 0 B 0 IC 501 E 1 E
50 3.7 Q 621 1 5.8 C 5.9 C 138
51 3.7 E 0.2 2 5.7 B 1.8 B
52 0 C -1.6 3 5.7 Q 501 Q 581
53 3.7 B 0 4 12 E 0 E 140.6
54 3.7 Q 623 5 3.4 C 12 C 0.1
55 0 E 0 6 3.4 B -1.4 B 140.3
56 4.4 C 0 7 2.8 Q 502 Q 582
57 4.4 B -1.6 8 2.3 E 1.8 E
58 2.6 Q 624 9 2.4 C 4.3 C 2.1
59 0 E 0 10 2.4 B 2.4 B
60 3.7 C 0 11 0 Q 701 Q 583
61 0 B -1.5 12 3 E 5.6 E
62 0 Q 628 13 3 C 0 C 2.1
63 0 E 0 14 5.5 B 5.8 B 0.1
64 0 C 4.1 IC 551 Q 702 Q 941
65 4.9 B 0 1 6.4 E 0 E
66 4.9 Q 629 2 6.4 C 3.3 C 0.7
67 1.5 E 0 3 6.4 B 0 B 0.1
68 0 C 0 4 6.4 Q 942
69 0 B 0.6 5 0 E
70 0 Q 632 6 6.4 C 0.3
<POWER&DEF PWB>
71 2.2 E 5.3 7 6.4 B 0.7
[P2-9 2-10]
72 2.1 C -1.8 8 6.4 PC 901
MODE
DC (V)
PIN NO.
73 0 B 5.8 9 0 1 11.5
74 2.6 Q 641 10 11.8 IC 401 2 10.5
75 0 E 0.1 IC 701 1 0.6 3
76 0 C -1.5 1 0 2 14.3 4 2.6
77 0 B 0 2 0 3 -12.4
4 -14.5
78 0 Q 642 3 0
<CRT SOCKET PWB>
79 2.5 E 0 4 0 5 0.1
[P.2-11 2-12]
80 4.9 C 4.1 5 3.3 6 14.3
MODE
DC (V)
PIN NO.
IC 601 B -1.5 6 3.3 7 0.6
1 4.4 Q 643 7 0 IC 461 IC 3201
1 3.5
2 4.4 E 0 8 3.3 1
2 1 2 11.9
3 4.3 C 4.1 IC 901
4 0 B -1.5 1 12 3 2.1 3 2.8
5 4.4 Q 681 2 8 4 0 4
6 4.4 E 0 3 0 5 5.8 5 8.3
7 4.4 C 4.6 IC 902 6 3.5 6 214
7 10.5
8 8.9 B 0.1 1 5 7 131
IC 651 2 0 8 12 8 134
1 0 3 0 IC 901 9 130
2 0 4 3.4 1 0.5 IC 3202
3 28 5 5.8 2 0 1
3 30.4
4 0 6 0 2 11.9
4 18.7 3 2.8
5 0 7 5.8
6 0 5 2.9 4
MODE MODE MODE MODE MODE
DC (V) DC (V) DC (V) DC (V)
PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
5 8.3 49 0 65 0 13 0 47
6 214 50 1.7 66 0 14 0.3 48
7 133 51 0 67 0 15 0 49
0 8 135 52 1 68 0 16 0 50
0 9 132 53 0 69 0 17 5.8 51
0 IC 3203 54 0 70 0 18 5.9 52
1 3 55 1 71 0 19 0 53
2 11.9 56 0.7 72 0 20 0 54
3 2.8 57 0 73 3.2 21 12 55
4 0 58 0 74 0 22 4.8 56
0 5 8.4 59 3.3 75 1.1 23 0 57
6 214 60 0 76 1.1 24 2.6 58
7 131 61 1.7 77 1.3 25 2.6 59
8 133 62 0.8 78 1.1 26 2.6 60
0 9 130 63 1.7 79 2.1 27 0 61
Q 3104 64 1.7 80 1.1 28 1.5 62
E 11 65 0 IC 901 29 0 63
C 6.4 66 1.7 1 0 69 0 64
0 B 1.8 67 0 2 0 70 4.5 65
Q 3105 68 1.7 3 0 71 0 66
E 6.4 69 0.3 4 5.9 72 3.8 67
C 12 70 0.5 5 1.8 73 0 68
B 7.1 71 0 IC 902 74 0 69
Q 3108 72 3.2 1 0 75 0 70
E 129 73 0 2 0 76 12 71
0 C 66 74 1.7 3 0 77 0 72
B 128.4 75 2.3 4 0 78 0 73
Q 3109 76 0.7 5 5.8 79 5.8 74
E 3.1 77 0.1 6 0 80 5.8 75
1 C 66.4 78 1.4 7 5.8 81 0 76
B 3.6 79 0.3 IC 903 82 0 77
Q 3301 80 0.1 1 0 83 0 78
E 4.9 IC 301 2 0 84 4.1 79
C 0 1 1.1 3 0 85 0 80
0 B 11.9 2 1.8 4 0 86 4.3 81
Q 3303 3 3.2 5 6.2 87 0 82
E 5.6 4 2 6 0 88 0 83
0 C -1.5 5 0.3 7 6.2 89 0 84
0 B 5.9 6 0 Q 202 90 0 85
Q 3304 7 0 E 0 91 0 86
E 0 8 0 C 0 92 0 87
0 C 3 9 0 B 2.1 93 0 88
B -1.5 10 0 Q 203 94 0 89
0 11 1.4 E 2.7 95 0 90
12 1.4 C 0 96 0 91
<MICOM/100Hz PWB(1/2)>
0 13 0 B 2.1 92
[P.2-15 2-16]
14 0 Q 301 93
MODE
DC (V) <MICOM/100Hz PWB(2/2)>
PIN NO. 15 3.2 E 5.5 94
[P.2-17 2-18]
IC 201 16 0 C 0 95
MODE
DC (V)
PIN NO.
0 1 2.1 17 0 B 4.9 96
2 0.6 18 0 Q 302 IC 001 97
3 0.1 1 0
0 19 0 E 0 98
4 0 20 0 C 4.5 2 1 99
5 1.7 21 0 B -0.6 3 0 100
6 2.5 22 0 Q 304 4 1 101
7 3.2 23 0 E 5.7 5 2.4 102
8 0 24 3.3 C 11.1 6 3.1 103
0 9 2 25 0 B 6.3 7 3.1 104
10 1.8 26 0.1 Q 305 8 3.1 105
0 11 0 27 0 E 5.4 9 0 106
12 3.2 28 0 C 2.5 10 0 107
0 13 2.5 29 0 B 4.7 11 0 108
14 0 12 3.3
30 0.6 Q 306 109
15 1.1 31 0.1 E 5.4 13 0 110
16 1.1 32 0 C 2.5 14 3.3 111
0 17 0.3 33 0 B 4.7 15 0 112
18 0.2 34 0 Q 307 16 0 113
17 0
19 0 35 0 E 5.4 114
20 0 36 0 C 2.5 18 0 115
0 21 2.2 37 1.4 B 4.7 19 0 116
22 1.1 38 1.5 QA 301 . 20 0 117
23 0 39 2.4 1 0 21 2.4 118
24 1.9 40 0 2 0 22 0 119
25 3.2 23 0
41 4.7 3 3.2 120
26 0 42 4.7 4 0 24 0 121
0 27 0 43 4.7 5 0 25 0 122
28 1.7 44 4.7 6 3.2 26 0 123
29 0 45 0 QA 302 27 1.3 124
28 0.7
30 1.3 46 2.3 1 2.1 125
31 1.1 47 5 2 1.5 29 0 126
32 1.1 48 2.5 3 0 30 2.6 127
33 0 49 0 4 2.1 31 0 128
34 1.7 50 0 5 1.5 32 3.3 IC 002
3 35 0 51 0.2 6 0 33 1.3 1
36 0 34 1.3
52 0 CN 002 2
37 0 53 0.2 1 0 35 1.3 3
0 38 0 54 0 2 0 36 0 4
39 0.7 55 0 3 2.4 37 0 IC 003
40 0.6 56 0 4 2.1 38 2.6 1
39 3
41 0.6 57 0 5 1.5 2
42 0 58 0 6 1.5 40 3.1 3
43 0 59 0 7 0 41 0 4
44 3.3 60 0 8 1.6 42 3.3 5
3 45 0 61 0 9 0 43 6.4 6
46 0 62 0 10 2.1 44 3.1 7
47 0 45 3.3
63 2.5 11 2 8
0 48 0 64 2.5 12 0 46 3.3 9

WAVEFORMS

MAIN PWB(1/2) MAIN PWB(2/2)
MODE MODE
DC (V) DC (V) DC (V)
PIN NO. PIN NO.
TU001-16
3.3 10 0 3 1.2
0 11 0 4 2.4
0 12 0 5 3.3
0 13 0 Q 013
2.6 14 3.3 S 2.5
0 15 0 D 4.4
3.3 16 3.2 G 3.3
2.1 Vp-p
0.3 17 3.1 Q 014
0.2 18 3 S 2.5
2.6 19 3.1 D 0
POWER & DEF PWB
0.3 20 2.6 G 3.3
0.2 21 2.6 QA 002
IC401-1
0.3 22 0.7 1 0
0 23 0 2 -0.2
3.3 24 0 3 -0.2
0.3 25 1.3 4 0
0.3 26 1.3 5 -0.9
0.3 27 3.3 6 0
0 28 0 QA 003
0.5 Vp-p
0 29 1.3 1 4.4
0 30 0 2 2.1
0 31 1.3 3 0
3.3 32 1.3 4 4.4
0 33 0 5 2.4
Q463-E
0 34 0 6 4.9
0 35 0 QA 004
* 36 0 1 4.8
3.1 37 3.3 2 0
3.1 38 0 3 0
1.7 39 0 4 2.4
0 40 0 5 1.8
0 41 0 6 0 10 Vp-p
0.1 42 0 CN 002
0 43 0 30 0
2.3 44 0 31 3.2
0 45 0 32 3.3
2.3 46 0 33 0
T551-6
0 47 0.1 34 0
3.3 48 0 35 0
0 49 3.2 36 3.2
2.4 50 0 37 0
0 51 3 38 0
2.23 52 0 39 4.5
0 53 3 40 4.4
140 Vp-p
0 54 0 41 3.3
0 IC 004 42 3.3
3 1 2.9 43 3.3 MICOM/100Hz PWB(1/2)
3 2 2.9 44 2.1
2.4 3 1 45 0
IC201-17
3.3 4 1 46 0
0 5 0 47 4.8
2.5 6 0 48 12
2.5 7 0 49 2.6
0 8 0 50 0
0 9 0 51 0
3.2 10 0 52 0
3.2 Vp-p
3.3 11 3.2 53 3.3
0 12 3.2 54 3.3
0 13 0 55 3.3
3.3 14 0 56 3.3
0 15 1.3 57 0
IC301-26
0 16 0 58 4.4
0.4 17 0 59 4.4
0 18 0.6 60 0
2.3 19 0.6 61 0
0 20 0.6 62 0.1
0 21 2.5 63 0
0 22 2.5 64 0
2.8 Vp-p
0 23 1.5 65 1.6
2.3 24 0 66 1.8
0 25 0 67 0
0 26 3.2 68 0
0 27 0
IC301-42
0 28 3.2
<FRONT SOCKET PWB>
0 29 0.8
[P.2-20]
0 30 1
MODE
DC (V)
PIN NO.
0 31 0.8
IC 8851
0 32 1.4
1 2.6
0 33 1.8
0 34 0.7 2 4.8
0.4 Vp-p
* 35 1.1 3 0
* 36 0.5 Q 8801
E 0
37 3.2
MICOM/100Hz PWB(2/2)
C 3.2
3.2 38 0.3
B 0
* 39 0.6
IC001-102
NC 40 1.1
0 41 0.5
42 1.4
3.2 43 1.6
0 44 2.1
3.2 45 2
0 46 0
3.1 Vp-p
0 47 3.2
0 48 0
0 IC 191
0 1 4.8
3.3 2 0
(No.YA262)2-29 2-30(No.YA262)
IC201-23 IC201-33 IC201-40 IC201-43
(H) (H) (H) (H)
1.1 Vp-p 2.2 Vp-p 2.2 Vp-p
IC401-5 IC401-6 Q461-D Q461-G
(V) (V) (V) (V)
50 Vp-p 30 Vp-p 4.8 Vp-p
Q501-D Q501-G Q521-B Q521-C
(H) (H) (H) (H)
90 Vp-p 4 Vp-p 2 Vp-p
CRT SOCKET PWB
T551-7 T551-8 IC3201-8 IC3202-8
(H) (H) (H) (H)
135 Vp-p 28 Vp-p 140 Vp-p
IC201-55 IC201-69 IC201-70 IC301-11
(H) (H) (0.2µs) (0.2µs)
1.2 Vp-p 0.9 Vp-p 0.9 Vp-p
IC301-27 IC301-30 IC301-31 IC301-32
(H) (V) (H) (H)
2.9 Vp-p 5.8 Vp-p 2.8 Vp-p
IC301-43 IC301-44
(H) (H) (H)
0.4 Vp-p 0.4 Vp-p
IC001-103 IC001-108 IC001-109
(H) (H) (0.2µs) (0.2µs)
0.15 Vp-p 1.2 Vp-p 1.2 Vp-p
(H)
2.2 Vp-p
Q461-S Q463-B
(H) (H) (H)
12 Vp-p 4 Vp-p 11 Vp-p
T551-2 T551-4
(H) (H) (H)
1300 Vp-p 240 Vp-p 35 Vp-p
IC3203-8
(H) (H)
140 Vp-p 140 Vp-p
IC301-12 IC301-23
(0.2µs) (0.2µs) (H)
3 Vp-p 2.5 Vp-p 3 Vp-p
IC301-37 IC301-38
(V) (V) (V)
1.2 Vp-p 1.8 Vp-p 1.8 Vp-p