JVC HR-XV48EF Service Manual page 79

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VOLTAGE CHARTS
<REGULATOR>
<MAIN>
MODE
MODE
MODE
MODE
REC
PLAY
REC
PLAY
REC
PLAY
REC
PIN NO.
PIN NO.
PIN NO.
PIN NO.
IC5201
IC1
97
0
0
62
2.4
1
2.4
2.4
1
0
0
98
2.3
2.5
63
4.3
2
0
0
2
0
0
99
0
0
64
4.4
3
4.5
4.5
3
0
0
100
2.5
2.6
IC3001
Q5101
4
5.1
5.1
IC201
1
2.5
S
0
0
5
2.0
2.0
1
0
0
2
D
299.8 300.7
6
2.5
2.5
2
2.6
2.6
3
1.8
G
2.5
2.4
7
2.8
0
3
4.7
4.7
4
2.4
Q5102
8
1.8
1.2
4
0
0
5
0.3
E
0
0.1
9
1.8
1.2
5
4.0
3.9
6
2.4
C
2.4
2.4
10
2.2
19
6
2.4
2.4
7
2.3
B
0
0.1
11
2.6
3.0
7
2.5
2.5
8
2.4
Q5103
12
0
0.5
8
5.1
5.1
9
4.7
E
2.5
2.2
13
0
0
9
3.5
3.4
10
4.7
C
-0.1
0
14
2.7
2.2
10
4.3
4.3
11
B
10.8
10.8
15
2.8
2.8
11
4.6
4.6
12
0.3
CN5301
16
0
3.1
12
5.1
5.1
13
1
0
0
17
2.8
2.8
13
2.8
2.8
14
4.4
2
49.8
49.8
18
2.0
1.9
14
2.8
2.8
15
3.5
3
3.4
3.6
19
2.8
2.8
15
0
0
16
4.7
4
3.5
3.5
20
0
0
16
1.2
1..2
17
4.2
5
0
0
21
0
2.8
17
0
0
18
6
0
0
22
0
5.1
18
5.1
5.1
19
4.7
7
0
0
23
2.3
2.3
19
2.4
2.3
20
4.4
8
11.4
11.4
24
0.6
0.6
20
0
0
21
3.9
9
5.5
5.5
25
0
0
21
2.3
2.3
22
4.2
10
0
0
26
2.9
2.8
22
0.7
0.8
23
11
5.5
5.5
27
0.8
0.8
23
5.1
5.1
24
28
0
0
24
2.9
2.9
25
29
2.3
2.3
25
2.5
2.4
26
4.6
30
2.8
2.8
26
5.1
5.1
27
31
0.2
0.3
27
3.9
4.0
28
32
2.3
2.5
28
3.6
3.7
29
4.5
33
2.0
2.1
29
5.1
5.0
30
4.6
34
1.9
2.0
30
5.1
5.1
31
4.7
35
3.0
3.0
IC2201
32
0.5
36
2.2
2.3
1
2.5
2.4
33
37
3.0
3.0
2
0
0
34
4.6
38
0
2.0
3
2.4
2.5
35
4.6
39
1.4
1.4
4
0
0
36
4.6
40
2.0
2.1
5
0
0
37
4.6
41
2.8
2.7
6
2.5
2.5
38
42
1.9
1.9
7
2.0
2.0
39
4.6
43
2.1
2.1
8
0
0
40
4.5
44
0
0
9
0
0
41
0.6
45
0
3.0
10
0
0
42
0.6
46
0
3.0
11
0
0
43
47
5.1
5.1
12
2.0
2.0
44
48
0
0
13
0
0
45
4.7
49
3.1
3.1
14
0
0
46
4.5
50
5.0
5.1
15
0
0
47
51
2.0
1.8
16
2.5
2.5
48
4.2
52
5.0
5.1
17
0.7
0.7
49
4.6
53
2.6
2.6
18
2.5
2.5
50
4.6
54
0
0
19
2.5
2.5
51
3.0
55
2.0
2.0
20
2.5
1.1
52
4.5
56
0
0
21
2.5
0
53
4.3
57
2.1
2.2
22
2.5
0.6
54
5.0
58
2.3
2.2
23
0
0
55
59
5.0
5.0
24
2.6
0.6
56
4.7
60
5.0
0
25
5.0
5.1
57
4.7
61
0
0
26
2.6
1.2
58
4.7
62
2.2
2.2
27
0
2.3
59
1.2
63
2.2
2.2
28
4.3
2.5
60
0.6
64
2.4
2.5
29
3.9
1.8
61
65
2.2
2.2
30
3.7
1.7
62
66
2.4
2.5
31
0.9
1.9
63
67
0.3
0.6
32
2.5
2.3
64
1.4
68
1.2
1.2
33
2.5
2.6
65
0.8
69
1.8
2.0
34
0.7
0
66
4.7
70
2.7
2.1
35
2.5
0
67
2.3
71
0
2.1
36
0
0
68
72
0
0
37
1.7
1.7
69
2.2
73
0
4.6
38
0
0
70
4.7
74
0
0
39
0
0
71
4.7
75
2.7
2.7
40
5.0
5.1
72
5.0
76
2.2
2.2
41
0
0
73
4.6
77
2.8
2.8
42
4.6
4.6
74
78
0
0
43
4.6
4.6
75
3.8
79
0.6
0
44
3.2
3.2
76
3.8
80
2.5
2.5
45
0
0
77
81
5.0
4.9
46
4.9
4.9
78
82
0
0
47
2.5
2.5
79
4.6
83
0
1.5
48
2.5
2.5
80
2.7
84
5.0
5.0
49
0.2
0.3
81
85
2.4
2.3
50
0.4
0.
82
4.7
86
2.4
2.3
51
0
0
83
0.6
87
2.4
2.3
52
0
0
84
88
0
0
53
4.5
4.5
85
4.7
89
0
0
54
0
0
86
90
0
0
55
0
0
87
4.5
91
0
0
56
0
0
88
92
0
0
57
4.5
4.5
89
4.4
93
0.2
0.3
58
10.6
10.7
90
4.7
94
2.5
2.5
59
4.5
4.6
91
95
0
0
60
0.6
0.9
92
2.5
96
2.5
2.5
61
2.5
2.5
93
4.7
MODE
MODE
MODE
PLAY
REC
PLAY
REC
PLAY
REC
PLAY
PIN NO.
PIN NO.
PIN NO.
2.4
94
4.6
4.6
6
5.3
5.3
B
0
0
4.4
95
0
0
7
5.3
5.3
Q8
4.4
96
0
4.7
8
10.6
10.6
E
2.4
2.3
97
4.7
4.7
IC8201
C
2.3
2.3
2.4
98
0.3
0.3
1
0
0
B
0
0
0
0
99
0
2.4
2
0
0
Q9
2.4
100
0
2.4
3
0
0
E
0
0
2.4
101
0
2.6
4
0
0
C
0
0
0.5
102
0
2.5
5
0
0
B
0.7
0.6
2.4
103
4.7
4.7
6
4.7
4.7
Q10
2.4
104
0
0
7
4.7
4.7
E
0
0
2.5
105
0
0
8
2.3
2.3
C
0
0
4.8
106
0.2
0.8
9
2.3
2.3
B
0.7
0.7
4.7
107
0
4.7
10
0
0
Q301
-
-
0
0
108
0
1.3
11
0
0
Q302
-
-
0.6
109
0
4.7
12
4.7
4.6
Q2001
0
1.4
110
0
0
13
0
0
E
-6.3
0
4.3
111
0
0
14
0
4.5
C
0
0
2.8
112
2.4
2.4
15
0
0
B
-13.9
0.7
4.7
IC3002
16
2.7
2.7
Q2002
4.4
1
4.7
4.7
17
4.3
4.3
E
-6.2
0
0
0
2
4.7
4.7
18
4.7
4.7
C
0
0
4.7
3
0
0
19
4.7
4.7
B
-13.6
0.7
4.1
4
0
0
20
0
0
Q2003
4.0
IC3003
21
4.7
4.7
E
5.1
5.1
2.4
1
0
0
22
0
0
C
-13.7
5.1
0
0
2
0
0
23
4.3
4.2
B
4.7
0
0
4.6
3
0
0
24
4.3
4.3
Q2051
0
0
4
0
0
25
0
0
E
0
0
4.7
5
3.8
4.0
26
0
0
C
7.5
0.2
0
0
6
3.8
0
27
1.7
1.6
B
0.4
0.2
0
0
7
0
0
28
4.6
4.7
Q2052
4.2
8
4.7
4.7
29
0
0
E
10.6
10.7
4.5
IC301
-
-
30
0
0
C
10.4
0.8
4.7
IC5301
31
0
0
B
9.8
10.6
0.5
1
2.5
2.4
32
0
0
Q2053
0
0
2
0
0
33
0
0
E
0
0
4.6
3
4.0
4.0
34
0
0
C
0
10.6
4.7
IC5302
35
0
0
B
4.7
0
4.6
1
5.0
5.0
36
0
0
Q2054
4.6
2
0
0
37
0
0
E
10.4
0.8
0
3.2
3
0
0
38
0
0
C
10.2
0.2
4.6
4
3.3
3.2
39
0
0
B
9.7
0.8
4.6
5
5.1
5.1
40
0
0
Q2055
2.6
6
0
0
41
0
0
E
0
0
3.3
7
5.5
5.5
42
0
0
C
0
0.9
0
0
IC6701
43
0
0
B
4.7
0
0
0
1
4.3
4.3
44
0
0
Q2201
4.7
2
1.5
1.5
45
0
0
E
5.4
5.4
4.5
3
1.5
1.5
46
0
0
C
-0.5
-0.6
0
0
4
0
0
47
0
0
B
5.4
5.4
4.3
5
2.0
2.1
48
0
0
Q2202
4.6
6
1.9
2.0
49
0
0
E
0
0
4.6
7
0.5
0.4
50
0
0
C
5.4
5.4
3.0
8
0
0
51
0
0
B
0
0
4.6
9
0
0
52
0
0
Q2203
4.3
10
3.7
3.7
53
0
0
E
0
0
-
11
3.7
3.7
54
0
0
C
0
0
-
0
12
3.8
3.6
55
0
0
B
-0.5
-0.7
4.7
13
4.1
3.8
56
0
0
Q2204
4.7
14
0.5
0.6
57
0
0
E
0
0
4.7
15
0.5
0.6
58
0
0
C
0
0
3.9
16
0.5
0.6
59
0
0
B
-0.5
-0.6
3.2
17
0.5
0.6
60
3.4
3.3
Q2255
0
2.6
18
0.5
0.4
61
0
0
E
0
0
0
0
19
5.0
5.1
62
0
0
C
0
0
0
0
20
0
0
63
0
0
B
4.6
4.6
1.4
21
0.4
0.6
64
0
0
Q3002
0.6
22
4.3
4.3
IC8202
E
0
0
4.7
23
0
0
1
3.2
3.2
C
4.4
4.4
2.3
24
0
0
2
4.7
4.7
B
-
-
0
0
25
0
0
3
4.7
4.7
Q3003
2.3
26
0
0
4
4.7
4.7
E
0
0
4.7
27
0
0
5
4.7
4.7
C
3.4
2.9
4.6
28
0
0
6
4.7
4.7
B
-
-
5.0
29
0
0
7
0
0
Q3004
0
30
2.2
2.3
8
4.6
4.7
E
0
0
0
0
31
2.3
2.4
9
2.1
4.7
C
0
0
3.7
32
0
0
10
0
3.2
B
0.6
0.7
0
33
4.7
4.8
11
0
4.7
Q3005
0
0
34
3.8
3.8
12
4.7
4.7
E
4.8
4.8
0
0
35
0
0
13
3.2
3.2
C
5.4
5.4
0
36
2.3
2.4
14
4.7
4.7
B
5.4
5.4
0
37
0
0
IC8301
Q3007
0
0
38
0
0
1
0
0
E
0
0
4.7
39
0
0
2
0.5
0.5
C
4.5
4.5
3.3
40
2.3
2.4
3
0.7
0.7
B
0
0
0
4.7
41
2.3
2.3
4
0.7
0.9
Q3008
0
42
2.6
0
5
0
0
E
0
0
0
0
43
2.3
2.4
6
0
0
C
0
0
0
44
0
0
7
9.1
9.1
B
0
0
0
0
IC8001
8
9.0
9.1
Q4001
4.4
1
5.3
5.3
9
0.7
0.7
E
0
0
0
2
5.3
5.3
10
0.6
0.6
C
0
0
0
0.7
3
5.3
5.3
Q7
B
4.6
4.7
2.5
4
0
0
E
2.4
2.3
Q5306
4.7
5
5.3
5.3
C
2.5
2.3
E
10.6
10.6
<TERMINAL>
MODE
MODE
MODE
MODE
REC
PLAY
REC
PLAY
REC
PLAY
REC
PIN NO.
PIN NO.
PIN NO.
PIN NO.
C
11.4
11.4
14
0.6
2.6
CN7302
IC901
B
11.3
11.3
15
0.6
2.6
1
0.1
0
1
2.4
Q5307
16
0.6
1.3
2
0
0
2
E
49.8
49.7
17
0
0
3
0.2
0.1
3
2.0
C
49.8
49.7
18
0
0
4
0
0
4
B
0
0
19
0
0
5
0
0
5
2.4
Q5309
20
0
0
6
0
0
6
E
0
0
21
4.6
4.2
7
0.4
0.3
7
2.3
C
0
0
22
4.7
4.7
8
0
0
8
B
4.6
4.6
CN5401
9
0.4
0.2
9
2.4
Q5310
1
0
0
10
0
0
10
3.9
E
5.1
5.1
2
49.8
49.8
11
0
0
11
0.2
C
5.4
5.5
3
3.4
3.6
12
3.2
3.2
12
2.4
B
5.9
5.9
4
3.5
3.5
13
2.8
2.7
13
3.8
Q5311
5
0
0
14
3.2
3.2
14
4.1
E
3.3
3.3
6
0
0
15
3.2
3.2
15
2.2
C
3.5
3.5
7
0
0
16
2.8
2.7
16
5.1
B
4.0
4.0
8
11.4
11.4
17
2.8
2.8
17
5.0
Q5312
9
5.5
5.5
CN8301
18
5.0
E
4.8
4.8
10
0
0
1
0.3
0.6
19
2.4
C
5.5
0
11
5.5
5.5
2
0.4
0.5
20
B
5.4
5.5
CN7101
3
0
0
21
Q5315
1
0
0
4
0
0
22
2.2
E
9.1
9.1
2
0
0
5
0
0
23
4.1
C
11.4
11.4
3
0
0
JS3001
24
1.6
B
9.8
9.8
4
0
0
1
0
0
25
Q6030
5
0
0
2
0
0
26
2.2
E
0.7
0.7
6
0
0
3
4.7
4.7
27
C
0
0
7
0
0
4
0
0
28
1.7
B
0
0
8
0
0
5
4.7
4.7
29
2.1
Q6031
9
0
0
TU6001
30
5.0
E
0
0
10
0
0
1
4.7
4.8
31
3.9
C
0
0
11
0
0
2
0
0
32
B
4.6
3.6
12
0
0
3
3.9
4.1
33
2.4
Q8001
13
0
0
4
5.0
5.1
34
4.2
E
0
0
14
0
0
5
3.8
3.8
35
1.7
C
0
0
15
0
0
6
2.1
2.1
36
2.7
B
0
0
16
4.7
4.7
7
32.3
32.3
37
2.6
Q8002
CN7102
8
3.9
4.0
38
6.5
E
0
0
1
4.6
4.6
9
0
0
39
2.2
C
0
0
2
10.6
10.7
10
4.6
4.7
40
2.2
B
0
0
3
10.6
10.6
11
0
0
41
4.3
Q8052
4
3.9
3.8
12
3.7
3.9
42
4.4
E
0
0
5
4.0
4.1
13
3.8
4.1
43
4.4
C
5.0
5.0
6
5.1
5.1
14
4.4
4.5
44
4.6
B
0
0
7
2.4
2.3
15
2.3
2.4
45
4.4
Q8053
8
0
0
16
2.0
2.0
46
4.3
E
5.1
5.1
9
0.7
0.7
17
32.3
32.3
47
4.6
C
0
0
10
0
0
18
0
0
48
4.3
B
5.0
5.0
11
2.4
2.4
19
0.8
0.8
49
4.3
CN1
12
0
0
50
1
0
0
13
2.2
2.3
51
2.2
2
0
0
14
0
0
52
1.8
3
0
0
CN7103
53
1.8
4
2.4
2.3
1
0
0
54
5
2.4
2.3
2
0
0
55
1.5
6
2.4
2.3
3
0
0
56
1.6
7
2.3
0
4
0
0
IC902
8
2.5
0
5
0.2
0.2
1
9
2.5
0
6
0
0
2
1.5
CN2001
7
0
0
3
1.5
1
0
0
8
0
0
4
2.4
2
0
0
9
0.2
0.2
5
5.0
3
0
0
10
0
0
6
2.4
4
0
0
11
5.1
5.1
7
1.5
5
2.1
2.4
12
0
0
8
1.5
6
2.3
2.4
CN7104
Q901
CN2002
1
0
0
E
0.2
1
0
0
2
0
0
C
0.2
2
0
0
3
0
0
B
0.8
CN3001
4
0
0
Q902
1
2.4
2.4
5
0
0
E
2
11.4
11.4
6
0
0
C
10.5
3
5.0
5.1
7
0
0
B
0.2
4
0
0
8
0
0
Q903
5
9.6
9.6
9
3.3
3.3
E
6
0
0
10
4.7
0
C
0.2
7
0
0
CN7301
B
8
11.4
11.4
1
2.3
2.4
Q904
9
2.5
2.6
2
0
0
E
10
2.5
2.5
3
2.4
2.4
C
11
1.3
1.3
4
0
0
B
4.2
12
2.5
2.5
5
5.0
5.0
Q907
CN3102
6
0
0
E
-0.3
1
4.7
4.7
7
0
0
C
-0.3
2
4.7
4.7
8
9.1
9.1
B
3
4.6
4.6
9
4.4
4.5
Q908
4
4.6
4.6
10
5.0
5.0
E
2.9
5
4.6
4.7
11
0
0
C
-0.3
6
4.6
4.6
12
0
0
B
4.1
7
4.6
4.6
13
3.3
3.3
Q912
8
4.6
4.7
14
3.3
3.2
E
3.0
9
4.6
4.6
15
3.3
3.2
C
10
0.6
3.3
16
0
0
B
2.4
11
0.6
3.3
17
1.5
1.6
Q913
12
0.6
3.2
18
0
0
E
3.1
13
0.6
3.3
19
0
0
C
2-43
2-44
<SWITCH/DISPLAY>
<SWITCH/JACK>
MODE
MODE
MODE
PLAY
REC
PLAY
REC
PLAY
REC
PLAY
PIN NO.
PIN NO.
PIN NO.
B
2.4
2.3
IC7002
CN7191
2.4
Q917
1
4.6
4.6
1
4.7
0
0
0
E
0
0
2
4.7
4.7
2
3.3
3.3
2.0
C
0
0
3
0
0
3
0
0
0
0
B
-0.4
-0.4
Q7001
4
0
0
2.4
Q918
E
4.7
4.7
5
0
0
0
0
E
0
0
C
0.5
0.5
6
0
0
2.3
C
0
0
B
4.6
4.7
7
0
0
0
0
B
-0.2
-0.2
Q7002
8
0
0
2.4
Q919
E
4.7
4.7
9
0
0
0
E
5.1
5.1
C
0.5
0.5
10
0
0
0
C
-0.5
-0.5
B
4.6
4.6
2.3
B
4.7
4.7
Q7003
3.8
CN913
E
4.7
4.7
3.8
1
4.6
4.6
C
0.6
0.3
2.1
2
10.6
10.7
B
4.6
4.6
5.0
3
10.6
10.6
Q7004
5.1
4
3.9
3.8
E
4.7
4.7
5.1
5
4.0
4.1
C
0.2
0.3
0
6
5.1
5.1
B
4.6
4.6
0
0
7
2.4
2.3
Q7005
0
0
8
0
0
E
4.7
4.7
2.3
9
0.7
0.7
C
0.5
0.3
4.2
10
0
0
B
4.6
4.6
1.7
11
2.4
2.4
Q7006
0
0
12
0
0
E
4.7
4.7
2.2
13
2.2
2.3
C
0.7
0.3
0
2.1
14
0
0
B
4.6
4.6
1.7
CN914
Q7007
5.1
1
0
0
E
4.7
4.7
5.1
2
0
0
C
0.9
0.8
1.9
3
0
0
B
4.6
4.6
0
0
4
0
0
Q7008
2.2
5
0
0
E
0
0
4.2
6
0
0
C
1.5
1.8
2.8
7
0
0
B
0.2
0.2
2.8
8
0
0
Q7009
2.2
9
0
0
E
0
0
6.5
10
0
0
C
1.6
0.8
2.2
11
0
0
B
0.3
0.6
3.8
12
0
0
Q7010
4.3
13
0
0
E
0
0
4.4
14
0
0
C
1.1
0.7
4.4
15
0
0
B
0.2
0.5
4.6
16
4.7
4.7
Q7011
4.4
CN915
E
0
0
4.6
1
0
0
C
1.7
1.1
4.6
2
0
0
B
0.3
0.5
4.4
3
0
0
Q7012
4.3
4
0
0
E
0
0
0
0
5
0.2
0.2
C
1.6
1.2
2.2
6
0
0
B
0.2
0
1.8
7
0
0
Q7013
1.8
8
0
0
E
0
0
0
0
9
0.2
0.2
C
2.0
0.6
1.5
10
0
0
B
0
0.6
1.5
11
5.1
5.1
Q7014
12
0
0
E
0
0
0
0
C
2.4
1.8
1.5
B
0
0.1
1.5
CN7003
2.4
1
4.7
4.7
5.1
2
4.6
4.2
2.4
3
0
0
1.3
4
0
0
1.5
5
0
0
6
0
0
0
7
0.6
1.3
10.6
8
0.6
2.6
0
9
0.6
2.6
10
0.6
3.3
0
10.0
11
0.6
3.2
10.5
12
0.6
3.3
10.6
13
0.6
3.3
14
4.6
4.6
0
0
15
4.6
4.7
10.6
16
4.6
4.6
0
0
17
4.6
4.6
18
4.6
4.7
0
0
19
4.6
4.6
0
0
20
4.6
4.6
4.2
21
4.7
4.7
22
4.7
4.7
-0.3
-0.3
0
0
2.9
-0.3
4.2
3.0
0
0
2.3
3.0
0
0

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