JVC TH-C4, Service Manual

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2-7
V I D E O - S W
V I D E O - M U T E 1
V I D E O - M U T E 2
V I D E O - Y C M I X
V C R - S / C
B L A N K - C T L
VIDEO-SW
V I D E O - R G B
V I D E O - R G B
V I D E O - M U T E 2
V I D E O - Y C M I X
V I D E O - M U T E 1
B L A N K - C T L
2 2 0
L 4 3 9 1
Q Q L 2 5 C K - 2 2 1 Z
A 5 V
A G N D
A + 1 2 V
V S 3
V S 1
V I D E O - R G B
V I D E O - S W
V I D E O - M U T E 1
V I D E O - M U T E 2
V I D E O - Y C M I X
C
Y 2 - G
C B - B
C R - R
A G N D
S C A R T - L I N
S C A R T - R I N
V C R - S / C
C V - Y 1
I C 4 1 1 M M 1 2 3 3 X F - X
16
15
14
13
12
11
10
9 87654321
C 4 3 9 5
2 2 / 5 0
1 / 6 . 3
C 4 1 7 3
4 7 0 / 1 0
C 4 3 9 1
0 . 1 / 1 6
C 4 3 9 2
1 / 6 . 3
C 4 1 7 2
0 . 0 1 / 5 0
C 4 3 1 1
1 / 6 . 3
C 4 3 2 1
4 7 / 2 5
C 4 3 0 1
1 / 6 . 3
C 4 3 3 1
1 / 6 . 3
C 4 3 4 1
1 / 6 . 3
C 4 3 5 1
4 7 / 3 5
C 4 1 9 1
1 / 6 . 3
C 4 1 7 1
0 . 0 1 / 5 0
C 4 1 9 2
R4212
R4252
R4232
R4201
R4242
R4202
R4231
R4241
R4171
0
0
R 4 1 9 1
R4172
0
R4251
R4211
Q 4 4 8 5
2 S C 2 8 1 4 / 4 - 5 / - X
R4233 R4234
R4235 10k
R4173
0
C I N 1 C I N 2
C V I N 1
C V I N 2
Y I N 2 Y I N 1
C O U T
C V O U T
Y O U T
G N D
G N D
V C C
G N D C T L a
C T L c
THIS AREA USES
C T L b
VIDEO SW
GVA10092-A1
2 . 0 V
0 V
1 . 0 V
0 V
1 . 0 V
1 . 0 V
0 V
2 . 0 V 2 . 0 V
0 V
2 . 0 V
0 V
5 . 0 V
2 . 0 V
0 V
2 . 0 V
J/C/UY/UW/UJ
*1 *1
L H
H
L H
L
(E)
(E)
(E)
( E )
(E)
*1
*1
*1
*1 *1
*1
*1
*1
*1 *1
0 V
0 V
0 V
N C
N C
R 4 2 0 1
R 4 2 0 2
R 4 2 3 1
R 4 2 3 2
R 4 2 4 1
R 4 2 4 2
R 4 2 5 1
R 4 2 5 2
B
5 1 0
3 3 0
4 7 0 5 6 0
5 6 0
5 1 0
4 7 0
1 2 0
3 3 0
1 2 0
*1 PARTS LIST
U / J
R 4 2 1 1
R 4 2 1 2
C V - Y 1
C
Y 2 - G
C b - B
C r - R
5 6 0
5 6 0
U : U J / U W / U Y / U S / U N / U X / U G / U T / A
J : J / C
R 4 2 3 3
R 4 2 3 4
8 2 0 X
X 2 2 0
1 2 0
1 2 0
5 6 0
3 3 0
2 4 0
X
5 6 0
3 3 0
(SHEET
2)
Video input / output section