JVC GR-DX77EK Service Manual page 53

VOLTAGE CHARTS
<MAIN IF> <CPU> <AUDIO>
MODE MODE MODE MODE
REC PLAY REC PLAY REC PLAY REC
PIN NO. PIN NO. PIN NO. PIN NO.
Q2801 IC1001 - - Q1010 IC2201
1 0 0 IC1002 E 0 0 1
2 0 0 1 2.8 2.8 C 3.0 3.0 2
3 0 0 2 2.4 2.4 B 0 0 3
4 0 0 3 2.7 2.7 Q1011 4
5 0 0 4 3.0 3.0 E 0 0 5
6 0 0 5 3.0 3.1 C 0.1 0.2 6
6 3.0 3.1 B 0 0 7
7 0 0 Q1012 8
8 1.4 1.5 1 0 0 9
9 0 0 2 3.0 0 10
10 0 0 3 3.0 0 11
11 0 0 4 3.0 3.0 12
12 0 0 5 0 3.1 13
13 0 0 6 0 0 14
14 0 0 15
15 0 0 16
<REEL>
16 0 0 17
MODE
REC PLAY
17 0 0 PIN NO. 18
18 0 0 IC1701 19
19 2.9 3.0 1 - - 20
20 2.8 2.8 2 1.4 1.5 21
IC1003 3 1.5 1.4 22
1 0 0 4 0 0 23
2 3.0 3.0 5 1.4 1.5 24
3 0 0 6 0 1.4 25
4 3.0 3.0 7 - - 26
5 3.0 0 8 4.7 4.8 27
IC1004 IC1702 28
1 1.4 1.4 1 - - 29
2 0 0 2 1.5 0 30
3 1.2 1.2 3 - - 31
4 0 0 4 0 0 32
5 3.0 3.1 5 - - 33
IC1005 6 1.4 1.5 34
1 3.0 3.1 7 - - 35
2 0 0 8 4.7 4.7 36
3 3.0 3.1 37
4 0 0 38
5 3.0 3.1 39
6 3.0 3.0 40
7 3.0 3.1 41
8 3.0 3.0 42
IC1006 43
1 0 0 44
2 3.0 3.0 45
3 3.0 3.0 46
4 0 0 47
5 3.0 3.0 48
6 0.4 0.4 Q2201
7 0.4 0.4 E
8 3.2 3.2 C
IC1007 B
1 3.1 3.1 Q2401
2 3.0 3.0 E
C
3 0 0
4 0 0 B
Q1001 Q2403
E 3.0 3.1 E
C 3.0 3.1 C
B 3.0 3.1 B
Q1002
1 0 0
<AUDIO AD/DA>
2 3.0 3.0
MODE
REC
PIN NO.
3 2.9 2.9
4 3.0 3.1 IC2101
5 0 0 1
6 0 0 2
Q1003 3
1 0 0 4
2 0 0 5
6
3 -0.1 -0.2
4 3.0 3.1 7
5 3.0 3.0 8
6 3.0 3.0 9
Q1004 10
11
1 0 0
2 3.0 3.1 12
3 3.0 3.1 13
4 3.0 3.1 14
5 0 0 15
6 0 0 16
Q1005
E 0 0
C 0.2 0.2
B 0 0
Q1007
E 0 0
C 3.1 3.0
B 0.5 0.5
Q1008
E 0 0
C 0 0
B 0 3.1
Q1009
S 0 0
D 3.0 3.0
G 3.0 3.0
<DV MAIN> <VIDEO I/O> <CDS>
MODE MODE MODE
PLAY REC PLAY REC PLAY REC PLAY
PIN NO. PIN NO. PIN NO.
IC3001 - - IC3201 - - IC4201
0 1.6 IC3006 IC3701 1 1.1 0
0 0 1 0 0.4 1 0 0 2 0.8 3.0
0 1.5 2 0 0.4 2 0 0 3 0.4 3.0
3.0 3.0 3 0 0 3 0 0 4 0 0
3.1 3.1 4 2.1 2.2 4 0 0 5 0 3.0
0 0 5 0.9 0.9 5 0 0 6 0 0
1.5 1.5 6 0 0 6 0 0 7 0 0
1.4 1.4 7 3.0 3.1 7 0 0 8 0 0
1.5 1.5 8 1.2 1.7 8 0 0 9 1.0 0
3.0 3.0 Q3001 9 4.7 4.8 10 3.0 3.0
2.9 2.9 E 1.7 1.7 10 0 0 11 0 0
0 3.0 C 2.9 2.9 11 0 0 12 1.4 1.4
1.4 1.4 B 2.4 2.4 12 0 0 13 2.9 3.0
1.5 1.2 Q3003 13 0 0 14 2.5 0
2.8 2.7 E 0.7 1.2 14 2.3 1.2 15 3.0 0
0 0 C 2.9 3.1 15 4.7 4.8 16 2.3 0
0 1.4 B 1.3 1.7 16 0 0 17 2.3 0
0 0.3 IC3731 18 0 0
1.4 0 1 3.0 3.0 19 2.9 3.0
<PRE/REC>
0 0.3 2 1.1 1.2 20 1.9 0
MODE
REC PLAY
PIN NO.
1.4 1.3 3 4.7 4.8 21 1.9 0
0 2.4 IC3501 - - 4 1.3 1.3 22 1.9 1.5
1.3 1.4 IC3502 5 0 0 23 0 0
0 2.3 1 1.3 0 6 1.5 1.4 24 1.2 0
0.7 1.4 2 1.3 0 Q3701 25 2.9 3.0
0 0 3 0 0 1 0.6 0.5 26 0 0
0 0 4 0.7 3.1 2 0 0 27 0 0
4.8 4.8 5 3.0 3.0 3 0 0 28 1.4 0
0 0 4 1.3 1.3 29 1.9 0
0 2.4 5 0.7 0.7 30 0.8 0
0 0 6 0 0 31 2.9 3.0
2.8 2.8 Q3702 32 0 0
1.4 1.4 1 0 0 33 3.0 3.1
0.2 1.4 2 0 0 34 3.0 3.0
0.2 1.4 3 0 0 35 3.0 3.0
1.4 1.4 4 4.7 4.8 36 1.2 0
1.4 1.4 5 4.3 4.3 IC4202
1.4 1.3 6 4.3 4.3 1 4.7 4.8
1.4 0 Q3704 2 0 0
1.4 0 E 0.7 0.7 3 1.2 1.3
0 0 C 0 0 4 2.9 3.0
4.0 4.4 B 0 0 5 4.7 4.8
2.7 0 Q3705
4.0 4.4 1 0.7 0.6
<CAMERA DSP>
1.4 0 2 0 0
MODE
REC PLAY
1.4 0 3 0 0 PIN NO.
1.4 1.2 4 0.6 0.7 IC4301 - -
1.4 1.4 5 0 0 IC4302
6 0 0 1 1.7 1.7
0 0 Q3706 2 0 0
1.3 1.4 E 0 0 3 1.7 1.7
0 0 C 0 0 4 1.6 1.8
B 0 0 5 1.3 1.5
4.0 4.4 Q3707
4.7 4.8 E 0 0
4.7 4.8 C 0 0
B 0 0
2.8 2.8 Q3731
3.5 3.6 E 0 0
3.5 3.4 C 4.7 4.8
B 0 0
Q3733
1 1.7 1.7
PLAY
2 2.3 2.3
3 2.7 2.8
0 0 4 4.7 4.8
0 0 5 4.1 4.2
0 0 6 4.1 4.2
0 0 Q3734
3.0 3.1 E 2.1 2.2
3.0 3.1
C 4.7 4.8
0 0 B 2.7 2.7
0 0 Q3735
0.2 0.3 1 0 0
0.2 0.3 2 0 0
0.4 0.4
3 0 0
0.2 0 4 1.4 1.4
0 0 5 0.8 0.9
0 0 6 4.7 4.7
0 0
0 0
<OP DRIVER> <TG> <REG>
MODE MODE MODE MODE
REC PLAY REC PLAY REC PLAY REC
PIN NO. PIN NO. PIN NO. PIN NO.
IC4701 62 1.5 1.4 IC5001 IC6001
1 2.4 2.5 63 3.2 3.2 1 0 0 1
2 1.9 2.0 64 2.7 2.7 2 3.0 3.0 2
3 1.9 2.0 IC4902 3 3.0 3.0 3
4 0 0 1 2.4 2.9 4 3.0 3.0 IC6002
5 1.9 1.9 2 2.3 2.4 5 0 0 1
6 1.9 1.9 3 2.3 2.3 6 3.0 3.1 2
7 0 1.9 4 0 0 7 0.2 0 3
8 4.7 4.8 5 2.4 2.4 8 0.4 0 4
IC4702 6 0 2.4 9 0 0 5
1 0.7 0.8 7 2.3 1.8 10 3.0 3.0 IC6101
2 0.1 0.2 8 4.7 4.8 11 1.6 0 1
3 0.2 0.2 IC4951 12 3.0 3.1 2
4 0 0 1 0.6 0.7 13 0 0 3
5 1.9 2.0 2 0.1 0.1 14 1.3 0 4
6 1.9 1.9 3 1.5 1.5 15 0 0 5
7 2.0 0.6 4 1.5 1.5 16 2.9 3.0 6
8 4.7 4.7 5 0 0 17 2.3 0 7
IC4703 6 3.0 3.0 18 2.3 0 8
1 0.9 0 7 0 0 19 2.4 0 9
2 1.9 0.5 8 3.0 3.0 20 0 0 10
3 1.9 0 9 3.0 3.0 21 0 0 11
4 0 0 10 3.0 3.0 22 1.3 1.4 12
5 0 0 11 1.5 1.5 23 0 0 13
6 0 0 12 3.0 3.1 24 3.0 3.0 14
7 0 0 13 4.8 4.8 25 0.3 0.6 15
8 4.7 4.7 14 0 0 26 3.0 0 16
IC4704 15 0 0 27 2.5 0 17
1 1.8 1.8 16 0 0 28 3.0 0 18
2 1.8 2.0 17 0.2 0.3 29 0 0 19
3 1.9 2.0 18 4.7 4.8 30 0.2 2.8 20
4 0 0 19 0 0 31 0 2.9 21
5 2.0 2.0 20 0 0 32 3.0 0 22
6 1.8 2.0 21 0 0 33 3.1 3.1 23
7 2.0 2.2 22 0.2 0.2 34 1.5 0 24
8 4.7 4.7 23 0.2 0.3 35 1.4 1.4 25
IC4901 24 0 0 36 3.0 3.1 26
1 0 0 25 0.2 0.3 37 0 0 27
2 0 0 26 4.7 4.8 38 0 0 28
3 0 0 27 0 0 39 0 0 29
4 3.0 3.0 28 0 0 40 -0.3 0 30
5 3.0 3.0 29 0 0 41 -7.4 0 31
6 0 0.3 30 0 0 42 -0.3 15.1 32
7 0 0.1 31 0 0 43 15.0 15.0 33
8 3.0 3.1 32 0 0 44 -7.4 15.0 34
9 3.0 3.0 33 0 0 45 -7.4 15.0 35
10 1.5 1.5 34 0 0 46 -7.9 -8.1 36
11 0 2.9 35 4.8 4.8 47 0 0 37
12 0.2 2.8 36 0.2 0.3 48 3.0 3.0 38
13 0 0 37 0 0 39
14 0 0 38 0.2 0.2 40
15 0 0 39 0.3 0.3 41
16 3.0 3.1 40 0 0 42
17 1.4 1.4 41 0 0 43
18 1.2 1.2 42 0 0 44
19 0.4 0.5 43 4.7 4.8 45
20 0.3 0.4 44 0.2 0.3 46
21 1.7 1.7 45 0 0 47
22 1.4 1.4 46 0 0 48
23 2.3 2.4 47 0 0 49
24 0.4 0.4 48 4.7 4.8 50
25 0.6 0.7 Q4701 51
26 3.0 3.0 E 0.1 0.1 52
27 0 0 C 1.4 1.4 53
28 2.9 3.1 B 0.8 0.8 54
29 0 0 Q4951 55
30 4.4 4.6 E 0 0 56
31 4.4 4.5 C 3.4 3.4 57
32 4.4 4.5 B 0 0 58
33 0 0 59
34 0 0 60
35 0 0 61
36 0 0 62
37 2.2 0 63
38 0 2.4 64
39 0 0 Q6001
40 3.0 4.7 1
41 0 0 2
42 2.6 4.7 3
43 0 0 4
44 0 4.7 5
45 0 0 6
46 4.6 4.8 Q6201
47 0 0 1
48 0 0.2 2
49 4.4 4.5 3
50 3.1 4.2 4
51 3.1 4.2 5
52 0 2.4 6
53 0.9 1.0 Q6202
54 2.4 2.4 E
55 2.3 2.3 C
56 2.4 2.4 B
Q6203
57 3.2 3.2
58 2.3 2.4 1
59 4.7 4.8 2
60 0 0 3
61 3.1 3.2 4
2-61 2-62
<DSC> <MDA>
MODE MODE MODE MODE
PLAY REC PLAY REC PLAY REC REC PLAY PLAY
PIN NO. PIN NO. PIN NO. PIN NO.
IC1601
5 1.7 1.8 IC8001 - -
11.0 11.0 6 1.7 1.7 IC8002 - - 1 0 0
0 0 Q6204 IC8003 - - 2 0.5 0.4
3.3 3.3 1 0 0 IC8004 3 0.2 0.4
4 0 0
2 11.0 11.0 1 0.7 0.7
5 0.4 0.5
8.1 8.1 3 6.5 6.6 2 0 0
6 0 0
0 0 4 4.7 4.8 3 0.2 0.5
1.0 1.0 5 4.7 4.8 4 0.3 0.4 7 0 0
7.6 7.6 6 4.7 4.8 5 0.5 0.6 8 1.5 1.5
9 1.5 1.5
11.0 11.0 Q6205 6 0 0
10 1.5 1.5
E 4.7 4.8 7 0.2 0.1
11 1.5 1.5
3.1 3.1 C 0 0 8 0 0
3.1 3.1 B 4.7 4.7 9 0 0 12 1.5 1.5
3.1 3.1 Q6206 10 0 0 13 1.5 1.5
0.6 0.6 E 0 0 11 0 0 14 2.7 2.8
15 1.2 1.2
3.1 3.1 C 4.7 4.8 12 0.6 0.7
16 1.5 1.5
0 0 B 0 0 13 0.3 0
1.3 1.2 Q6207 14 0.2 0.3 17 1.5 1.5
11.1 11.1 1 0 0 15 0.2 0 18 1.5 1.5
1.0 1.0 2 11.0 11.0 16 0.2 0.2 19 1.5 1.5
20 0 1.5
1.3 1.2 3 8.3 8.6 Q8001
21 0 3.0
2.2 2.2 4 2.7 2.7 E 3.1 3.1
22 0 0.7
0 0 5 2.7 2.7 C 0.6 0.7
0 0 6 2.7 2.8 B 2.5 2.6 23 0 0.4
0 0 Q6208 24 1.4 0
0 0 1 0 0 25 1.4 1.4
<USB>
26 0 11.0
0 0 2 11.0 11.0
MODE
REC PLAY
PIN NO. 27 0 0
0.2 0.2 3 9.7 9.7
0 0 4 1.1 1.0 IC8301 28 2.7 2.8
2.2 2.2 5 0 1.0 1 0 0 29 0.7 0.6
0.9 0.9 6 0 1.0 2 0.3 0.4 30 0 0
31 0 0.6
0 0 Q6209 3 0 0
32 1.0 1.0
2.2 2.2 S 8.1 8.2 4 0 0
5 0 0 33 1.2 1.3
1.0 1.0 D 11.0 11.0
0.6 0.6 G 0 0 6 0 0 34 1.2 1.3
1.0 1.0 Q6210 7 0 4.8 35 1.3 1.3
0.6 0.6 E 8.7 8.8 8 4.6 4.8 36 0 0
37 1.2 0
1.0 1.0 C 15.0 15.1 9 4.7 4.7
38 0 0
0.8 0.8 B 9.3 9.3 10 2.9 3.0
1.0 1.0 Q6211 11 2.9 2.9 39 1.5 1.5
0.7 0.7 E -15.1 -15.1 12 0 0 40 0 0
0.3 0.3 C -7.9 -8.0 13 0 0 41 0 0
42 0 0
0.3 0.3 B -14.5 -14.6 14 2.1 2.1
43 0 0
0.6 0.6 Q6212 15 2.1 2.2
16 2.1 2.1 44 0 0
0.1 0.1 1 -4.6 -4.5
0.1 0.1 2 -4.3 -4.5 17 2.1 0.4 45 4.8 4.8
0.5 0.5 3 -14.5 -14.6 18 2.1 2.1 46 1.5 1.5
0.8 0.8 4 0 0 19 2.1 2.1 47 1.5 1.6
48 0 1.5
0 0 5 0 0.2 20 0 0
49 1.5 1.5
1.0 1.0 6 0 0.1 21 3.0 3.0
0 0 Q6213 22 2.1 2.2 50 0 0
2.4 2.4 S 0 0 23 2.1 1.3 51 13.9 14.3
1.1 1.1 D 3.1 3.1 24 0.2 0.4 52 2.4 2.4
53 12.4 12.5
0 0 G 3.1 3.1 25 0.4 0.4
54 0 0
2.2 2.2 Q6214 26 0.3 0.4
2.2 2.1 S 1.7 1.8 27 0.2 0.4 55 0 0
2.2 2.2 D 0 0 28 0.2 0.4 56 0 0
9.2 9.2 G 0 0 29 0.4 0.4 57 3.1 3.1
58 2.9 2.9
1.0 1.0 Q6701 30 0.3 0.4
59 0 0
1.0 1.1 S 11.0 11.0 31 0 0
32 3.0 2.9 60 1.1 1.0
2.6 2.4 D 11.0 11.0
11.1 11.1 G 0 0 33 0.3 0.4 61 0.3 0.3
0 0 34 0 0 62 1.5 1.5
0 9.9 35 3.1 3.1 63 0.7 0.7
64 1.0 1.0
8.7 8.8 36 3.0 3.1
Q1601
7.9 8.0 37 0 0
0 0 38 3.1 3.1 1 0 0
9.1 0 39 4.7 4.8 2 0 0
7.7 7.8 40 2.9 2.9 3 4.9 4.8
4 0 0
0 0 41 0 0
5 4.8 4.8
1.1 1.1 42 - -
43 - -
0 0
0 0 44 - -
0 0 45 - -
5.5 5.5 46 - -
47 - -
0 0 48 - -
11.0 11.0
7.5 7.5
3.1 3.1
3.1 3.1
3.1 3.1
0 0
11.0 11.0
8.8 8.8
3.6 3.6
3.6 3.6
3.6 3.6
3.0 3.1
2.4 2.5
2.4 2.4
0 0
11.0 11.0
9.0 9.1
1.7 1.8
<FRONT> <MONITOR> <CCD>
MODE MODE MODE
REC PLAY EE EE
PIN NO. PIN NO. PIN NO.
IC401 IC7601 IC5501
1 4.3 4.4 1 3.0 1 12.1
2 0 -0.1 2 2.8 2 0
3 4.7 4.6 3 3.0 3 0
Q401
4 1.6 4 -0.4
1 4.6 4.6 5 0 5 -0.4
2 - - 6 3.1 6 -7.5
3 -0.1 -0.1 7 3.1 7 -7.5
Q6501 8 3.1 8 9.6
E -0.1 -0.1
9 3.1 9 1.3
C 4.3 4.3 10 3.1 10 1.6
B -0.1 -0.1 11 1.5 11 -8.0
Q6502 12 1.5 12 9.5
1 4.7 4.7 13 0 13 14.2
2 4.3 4.3 14 0 14 14.9
3 0 0
15 0 Q5501
4 4.7 4.7 16 0 E 11.3
5 4.3 4.3 17 0.2 C 15.0
6 0 0 18 3.1 B 12.1
Q6503 19 3.1
1 4.7 4.7
20 2.8
<VF>
2 4.3 4.3 21 1.5
MODE
EE
3 0 0 22 0 PIN NO.
4 4.7 4.7 23 0 Q7001
5 4.3 4.3 24 0 1 0
6 0 0 25 0.3 2 0
Q6504 26 0 3 0
E 4.7 4.7 27 1.5
C 4.3 4.3 28 2.5
B 4.3 4.3 29 1.5
30 4.7
31 2.5
32 1.4
33 2.5
34 1.5
35 0
36 0
37 4.0
38 2.0
39 2.1
40 2.5
41 4.1
42 2.0
43 2.5
44 2.0
45 3.1
46 2.1
47 2.0
48 2.1
IC7602
1 3.6
2 0
3 1.3
4 3.1
5 3.6
IC7604
1 3.1
2 3.1
3 0
Q7501
E 0
C 4.4
B -0.4
Q7502
E 0
C 4.4
B -0.4
Q7503
E 4.5
C 4.5
B 0
Q7504
E 0
C 0
B 0.7