Sony DSR-20MD Service Manual page 42

Digital video cassette recorder
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DSR-20MD/20MDP
JC-19 (D1) SCHEMATIC DIAGRAM • See page 4-15 for JC-19 printed wiring board.
D1
JC-19 (7/18)
1
2
3
4
JC-19 BOARD (7/18)
D1
A
15
-REF.NO.:2,000 SERIES-
TO JC-19 BOARD (10/18)
15-1
XX MARK:NO MOUNT
(SEE PAGE 4-38)
NO MARK:REC/PB MODE
R:REC MODE
P:PB MODE
J_3.1V
J_2.1V
B
GND
12-19
D7
12-1
D24
12-18
D23
12-17
D22
12-16
C
D21
12
12-15
D20
TO JC-19 BOARD (5/18)
12-14
D19
(SEE PAGE 4-27)
12-13
D18
12-12
D17
12-11
D16
12-10
D15
12-9
D14
12-8
D
D13
12-7
D12
12-6
D11
12-5
D10
12-4
D9
12-3
D8
12-2
12-20
E
16-1
D28
16
16-2
D26
TO JC-19 BOARD (15/18)
16-3
D25
(SEE PAGE 4-48)
16-4
D27
16-5
F
13
TO JC-19 BOARD
13-2
(5/18, 9/18, 11/18, 15/18)
13-1
(SEE PAGE 4-27, 35, 39,48)
TO JC-19 BOARD (11/18)
32
32-1
(SEE PAGE 4-39)
G
17-1
17-2
17-3
17-4
17-5
H
17-6
17-7
TO JC-19 BOARD (10/18)
17
(SEE PAGE 4-38)
D115
17-8
D116
17-9
D117
17-10
D120
17-11
D121
17-12
I
D114
17-13
D118
17-14
14-1
14-4
TO JC-19 BOARD (5/18, 9/18)
14
14-5
(SEE PAGE 4-27, 35)
14-3
14-6
J
18-1
18-2
18-3
18-4
18-5
18-6
18-7
K
18-8
18-9
18-10
TO JC-19 BOARD (14/18)
18
(SEE PAGE 4-45)
18-11
18-12
18-13
18-14
18-15
L
18-16
18-17
18-18
05
18-19
4-31
5
6
7
D119
D88
C410
0.01u
B
D29
D30
D31
D86
D32
D85
D33
D34
D35
D36
D37
D38
D83
D82
D39
D81
D40
D80
D41
D87
D4
D42
D5
D43
D44
D45
D46
D47
D48
D84
D49
D1
D50
D2
D51
D3
D52
D6
D71
D70
D69
D68
D67
D66
D65
D64
D63
D62
D61
D60
D59
D58
D57
D56
D55
D54
D53
8
9
1 0
1 1
37-1
37-2
37-3
J_3.1V
J_2.1V
GND
37-4
37-5
IC410
37-6
IC410
UPD482445LG4-B10-9MH-E2-HDC
0.5
3.1
0
R1.7/P3.1
D113
R0.5/P1.4
R0.5/P1.4
D112
0.7
0.8
D111
R0.4/P0.2
R0.5/P1.1
D110
0.7
0.8
D109
3.1
3.1
R0.4/P1.2
R0.5/P1.3
D108
0.7
0.8
D107
R0.4/P1.3
R0.5/P1.3
D106
0.7
0.8
D105
R0.5/P1.4
R0.5/P1.3
D104
0.8
0.7
D103
R0.5/P1.4
R0.5/P1.5
D102
0.8
1.7
D101
3.1
3.1
R0.5/P1.3
R0/P1.5
D100
0.7
0.7
D99
R0.4/P1.3
R0.5/P1.4
D98
0.7
0.8
D97
1.5
R3.1/P1.7
D96
R3.1/P1.7
D95
2.2
1.8
D94
0.8
D93
0.8
0.8
D92
0.8
0.8
D91
0.8
0.8
D90
0.8
0.8
D89
3.1
37-7
37-8
37-9
37-10
37-11
37-12
4-32
1 2
1 3
1 4
37
TO JC-19 BOARD (8/18)
(SEE PAGE 4-33)
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
Y/CHROMA
REC
PB

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