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JVC TH-C4 Service Manual page 15

Dvd digital theater system
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Z
VIDEO DRIVER
I C 4 3 1
B H 7 8 6 8 F S - X
C 4 3 9 2
0 . 1 / 1 6
C 0 U T
V C C
2 . 5 V
5 . 0 V
S - D C O U T
S 1
N C
N C
C V O U T
S 2
N C
2 . 5 V
C 4 3 1 1
C I N
C V O U T S A G
2 . 5 V
0 . 0 1 / 5 0
G N D
M U T E 1
4 7 / 2 5
0 V
C 4 3 0 1
Y 1 O U T
C V I N
2 . 5 V
2 . 5 V
Y 1 O U T S A G
Y C M I X S W
2 . 5 V
0 V
C 4 3 2 1
Y 1 I N
G N D
4 7 0 / 6 . 3
0 V
1 / 6 . 3
2 . 5 V
C 4 4 3 1
C 4 3 9 5
Y 2 O U T
B I A S
2 . 5 V
5 . 0 V
2 2 / 5 0
Y 2 O U T S A G
R G B S W
2 . 5 V
2 . 5 V
C 4 3 3 1
G N D
Y 2 I N
0 V
0 V
1 / 6 . 3
C 4 4 4 1
C B O U T
G N D
2 . 5 V
0 V
4 7 0 / 6 . 3
C 4 3 4 1
C B I N
C B O U T S A G
2 . 5 V
2 . 5 V
1 / 6 . 3
G N D
M U T E 2
0 V
0 V
C 4 4 5 1
C 4 3 5 1
C R I N
C R O U T
2 . 5 V
2 . 5 V
1 / 6 . 3
4 7 0 / 6 . 3
V C C 2
C R O U T S A G
5 . 0 V
2 . 5 V
V E R . B
C 4 4 7 6
4 . 7 / 2 5
R 4 4 8 1
2 k
4 . 7 / 2 5
C 4 4 7 5
R 4 4 8 2
2 k
1 1 . 2 V
1 1 . 2 V
0 V
0 V
Q 4 4 8 2
0 V
K R C 1 0 2 S - X
Q 4 4 8 1
0 V
K R C 1 0 2 S - X
5 . 1 V
0 V
Q 4 4 8 3
K R A 1 0 2 S - X
5 . 1 V
B L A N K - C T L
0 V
Q 4 4 8 4
0 V
K R C 1 0 2 S - X
V I D E O - Y C M I X
C 4 3 9 4
0 . 1 / 1 6
V C R - S / C
C 4 4 9 1
0 . 0 1 / 5 0
C 4 4 7 2
3 3 0 p / 5 0
R 4 4 7 2
1 5 0
C 4 4 7 1
3 3 0 p / 5 0 v
R 4 4 7 4
1
4 7 0
R 4 4 7 1
3
1 5 0
C 4 4 4 3
R 4 4 7 3
5
4 7 0
N I
R 4 4 4 2
7
7 5
9
1 0
R 4 4 3 2
7 5
C 4 4 3 3
1 1
N I
1 2
1 3
C 4 4 5 3
1 4
R 4 4 5 2
7 5
N I
1 5
1 6
R 4 4 8 5
1 0 0
1 7
R 4 4 8 6
1 0 k
1 8
1 9
C 4 4 2 2
R 4 4 2 2
2 0
4 7 0 / 6 . 3
7 5
C 4 4 2 4
2 1
N I
I C 4 4 1
M M 1 5 0 5 X N - X
C 4 4 9 2
C 4 4 1 3
0 . 1
0 . 0 1 / 1 6
/ 1 6
2 . 5 V
5 . 0 V
C
V C C
0 V
2 . 5 V
G N D
C / R
2 . 5 V
0 V
R
S W
C 4 4 5 5
4 7 0 / 6 . 3
C 4 4 5 4
1 0 / 1 6
VIDEO SW
R 4 4 5 1
5
7 5
6
R 4 4 4 1
3
7 5
4
R 4 4 3 1
1
7 5
2
C 4 4 2 1
7 5
4 7 0 / 6 . 3
R 4 4 2 1
6
C 4 4 1 1
R 4 4 1 1
0 . 0 1 / 5 0
C
7 5
4
2
C 4 4 0 1
4 7 0 / 6 . 3
7 5
R 4 4 0 1
7
8
C 4 1 2 1
1 / 6 . 3 v
1 4
N C
C 4 1 1 1
0 . 0 1 / 5 0
C
1 2
1 0
C 4 1 0 1
1 / 6 . 3
1 5
1 6
Ver.J/U
J 4 4 0 3
2 2
Q N Z 0 6 2 5 - 0 0 1
A U D I O R O U T
A U D I O R I N
2
A U D I O L O U T
A U D I O A G N D
4
G N D
A U D I O L I N
6
B
F U N C T I O N
8
G N D
AV
N C
1 0 K
(SCART
G
TERMINAL)
N C
G N D
G N D
R / C
B L A N K I N G
G N D
F U N C T I O N
S P E C
G N D
7 5
L E V E L
0
0 - 2 V
C V / Y
N C
1 A
4 . 5 - 7 V
G N D
1 B
9 . 5 - 1 2 V
2 3
B L A N K I N G
S P E C
Y / C
0 - 0 . 4 V
0 V
R G B
1 - 3 V
4 . 9 V
THIS AREA USES FOR
B VERSION ONLY
J 4 4 0 2
Q N N 0 5 7 2 - 0 0 1
Pr
VIDEO OUT
Pb
(COMPONENT)
Y
J 4 4 0 1
Q N N 0 5 7 0 - 0 0 1
5
Y
3
1
VIDEO OUT
(S-VIDEO/
COMPOSITE)
CV
1 7
1 3
Y
1 1
9
VCR IN
(S-VIDEO
COMPOSITE)
CV
THIS AREA USES
VERSION J/C/UY/UW/UJ
1 0 K
0 V
0 V
5 . 4 9 V
5 . 9 1 V
1 0 . 4 V
1 2 . 0 8 V
SHEET 3
2-8

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