JVC AV-2986ME, Руководство по обслуживанию

Страница: 117 / 118

(No.YA447)2-25 2-26(No.YA447)
WAVEFORMS
-MAIN PWB-
-CRT SOCKET PWB-
IC401-1
1.0Vp-p
[V]
IC401-3
27Vp-p
[V]
IC401-5
53Vp-p
[V]
IC401-6
30Vp-p
[V]
IC401-7
0.8Vp-p
[V]
IC701-10
2.3Vp-p
IC701-11
2.7Vp-p
IC701-22
1.0Vp-p
IC701-23
1.3Vp-p
[V] [V]
IC701-67
3.0Vp-p
[H]
IC701-74
1.2Vp-p
[H]
IC701-66
5.0Vp-p
[H]
[H]
IC701-87
1.7Vp-p
[H]
IC701-48
2.0Vp-p
[H]
Q522-C
1200Vp-p
[H]
Q521-B
1.2Vp-p
Q521-C
32Vp-p
[H]
Q522-B
2.0Vp-p
[H] [H]
IC351-7
80Vp-p
IC351-8
100Vp-p
IC351-9
130Vp-p
[H]
IC701-85
1.4Vp-p
IC701-86
1.4Vp-p
[H] [H]
[0.2us/div] [0.2us/div]
[H]
T522-2
6.0Vp-p
60Vp-p
T522-3
110Vp-p
T522-4 T522-7
24Vp-p
T522-9
220Vp-p 110Vp-p
T522-5
[H]
[H] [H] [H]
[H] [H]
[P.2-5 - P.2-12] [P.2-13 - P.2-14] [P.2-15 - P.2-16] [P.2-17 - P.2-18]
<MAIN PWB>
MODE
DC (V)
PIN NO.
MODE
DC (V)
PIN NO.
MODE
DC (V)
PIN NO.
MODE
DC (V)
PIN NO.
IC401
1 0.3
2 13.9
3 -10.8
4 -13.3
5 0
6 14.4
7 0.5
IC601
1 0
2 NC
3 0
4 NC
5 25.9
6 NC
7 0
8 NC
9 0
10 NC
11 0.5
12 NC
13 12.9
14 NC
15 0.7
16 NC
17 0
18 NC
19 27.2
20 NC
21 16.7
22 NC
23 12.8
IC701
1 0
2 0
3 1.9
4 3.2
5 3.1
6 0
7 3.0
8 0
9 3.0
10 1.4
11 1.4
12 0.3
13 0.1
14 2.8
15 4.8
16 1.9
17 2.2
18 0
19 2.3
20 2.2
21 3.5
22 1.2
23 1.3
24 1.9
25 1.9
26 2.3
27 1.9
28 0
29 1.9
30 1.9
31 4.3
32 1.8
33 2.1
34 2.2
35 2.2
36 3.6
37 3.5
38 2.4
39 2.5
40 0
41 2.9
42 1.6
43 2.6
44 2.8
45 8.2
46 2.2
47 4.8
48 1.4
49 2.2
50 2.1
51 1.4
52 1.6
53 2.2
54 2.2
55 1.4
56 2.1
57 2.2
58 1.8
59 1.5
60 3.7
61 3.7
62 3.5
63 3.5
64 0.5
65 2.0
66 0.3
67 1.6
68 0
69 4.9
70 1.3
71 1.2
72 1.2
73 2.0
74 1.7
75 0.3
76 0
77 3.2
78 1.2
79 1.1
80 1.2
81 0
82 4.9
83 2.4
84 3.7
85 2.0
86 2.1
87 2.0
88 3.1
89 0
90 3.1
91 1.6
92 0.2
93 1.7
94 3.2
95 0
96 1.8
97 3.0
98 0
99 0
100 1.9
101 0
102 1.5
103 0
104 0
105 3.1
106 3.2
107 0
108 2.0
109 1.9
110 3.2
111 1.7
112 0
113 0
114 3.1
115 3.1
116 2.6
117 1.9
118 1.9
119 3.1
120 3.0
121 0
122 3.1
123 0
124 1.9
125 0
126 3.2
127 3.1
128 3.1
IC702
1 0
2 0
3 0
4 0
5 3.2
6 3.2
7 0
8 3.2
IC921
1 125.4
2 NC
3 0
4 19.7
5 4.0
6 1.7
7 0.3
IC951
1 135.1
2 21.9
3 0
IC971
1 3.2
2 0.2
3 0
4 1.9
5 3.7
6 0
7 6.1
IC972
1 6.7
2 0
3 3.1
4
IC973
1 16.4
2 11.8
3 0
4 3.1
IC975
1 7.5
2 4.9
3 0
4 3.2
Q101
E 2.2
C 11.8
B 2.9
Q102
E 0
C 7.5
B 0
Q103
E 0
C 0
B 3.0
Q307
E 3.3
C 0.2
B 2.7
Q341
E 4.8
C -0.2
B 4.9
Q421
E 0
C 0
B 0.5
Q422
E 0
C 3.1
B 0
Q461
S 17.6
D 0
G 3.6
Q521
E 0
C 25.8
B 1.5
Q522
E 0
C 130.0
B 0
Q571
E 135.0
C 0
B 134.7
Q572
E 0
C 3.1
B 0
Q601
E 8.7
C 0.3
B 8.9
Q602
E 0.2
C -0.4
B 0
Q603
E 0
C 0
B -0.6
Q605
E 0
C 0
B -0.7
Q607
E 0
C 0
B 0.6
Q608
E 0
C 22.7
B 0
Q609
E 0
C 0
B 2.4
Q611
E 0
C 0
B 2.4
Q612
E 0
C 4.9
B 0
Q702
E 1.3
C 4.7
B 2.0
Q704
E 0
C 2.5
B 0
Q705
S 0
D 0
G 1.9
Q706
S 0
D 0
G 1.9
Q707
E 0
C 3.2
B 0
Q708
E 4.7
C 0
B 4.9
Q791
E 0
C 3.9
B 0
Q801
E 2.1
C 0
B 1.4
Q803
E 0
C 0
B -0.5
Q804
E 0
C 0
B -0.5
Q805
E 0.2
C -0.4
B 0
Q951
E 0.7
C 21.9
B 0
Q952
E 0
C 0
B 0.7
Q957
E 0
C 29.1
B 0
Q958
E 29.2
C 6.7
B 29.1
Q981
E 2.7
C 1.9
B 1.9
Q982
E 1.9
C 2.0
B 2.5
Q983
E 2.7
C 2.0
B 2.0
Q984
E 1.9
C 2.0
B 2.5
TU001
1 4.3
2 3.8
3 0
4 2.1
5 2.0
6 4.9
7 4.9
8 0
9 35.0
11 0
<CRT SOCKET PWB>
MODE
DC (V)
PIN NO.
IC351
1 2.0
2 2.1
3 2.0
4 0.1
5 5.1
6 196.3
7 123.9
8 118.2
9 125.7
Q203
E 1.1
C 6.2
B 1.8
Q204
E 6.8
C 11.8
B 7.4
Q206
E 6.8
C 0
B 6.1
Q208
E 124.7
C 63.8
B 124.1
Q209
E 2.7
C 63.8
B 3.2
Q371
E 0.2
C 2.0
B 0.4
Q372
E 0.2
C 2.0
B 0.4
Q373
E 0.2
C 2.1
B 0.3
Q374
E 0.6
C 0.2
B 0.2
<FRONT CONTROL PWB>
MODE
DC (V)
PIN NO.
IC301
1 2.7
2 3.3
IC801
1 2.9
2 0
3 3.2
Q955
E 0
C 11.8
B 0
<BASS PWB>
MODE
DC (V)
PIN NO.
IC671
1 0
2 1.2
3 1.2
4 0
5 3.2
6 3.3
7 2.3
8 2.1
9 1.4
10 1.5
11 3.3
12 0
13 1.6
14 1.6
15 0.1
16 1.2
VOLTAGE CHARTS