JVC TH-C4, Service Manual

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2-8
SHEET 3
B L A N K - C T L
V C R - S / C
V I D E O - Y C M I X
1 6
1 5
2
1
J 4 4 0 2
Q N N 0 5 7 2 - 0 0 1
6
5
4
3
J 4 4 0 3
Q N Z 0 6 2 5 - 0 0 1
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
Q 4 4 8 4
K R C 1 0 2 S - X
Q 4 4 8 2
K R C 1 0 2 S - X
Z
Q 4 4 8 1
K R C 1 0 2 S - X
8
7
Q 4 4 8 3
K R A 1 0 2 S - X
J 4 4 0 1
Q N N 0 5 7 0 - 0 0 1
1 2
3 4
5 6
9 1 0
1 1 1 2
1 3 N C 1 4
2 3
2 2
1 7
I C 4 4 1
M M 1 5 0 5 X N - X
1 S W
2 C / R
3
V C C
4
C
5 G N D
6 R
C 4 3 9 5
2 2 / 5 0
4 7 0 / 6 . 3
C 4 4 5 1
1 / 6 . 3 v
C 4 1 2 1
NI
C4122
330p C4474
4 7 0 / 6 . 3
C 4 4 4 1
0 . 1 / 1 6
C 4 3 9 2
0 . 0 1 / 5 0
C 4 1 1 1
4 . 7 / 2 5
C 4 4 7 6
330p
C4473
4 7 0 / 6 . 3
C 4 4 3 1
3 3 0 p / 5 0 v C 4 4 7 1
1 / 6 . 3
C 4 1 0 1
NI
C4452
0 . 0 1 / 5 0
C 4 3 1 1
4 7 0 / 6 . 3
C 4 4 2 1
NI
C4442
4 7 0 / 6 . 3
C 4 4 5 5
1 / 6 . 3
C 4 3 2 1
4 7 0 / 6 . 3
C 4 4 0 1
4 7 / 2 5
C 4 3 0 1
NI
C4112
NI
C4432
1 / 6 . 3
C 4 3 3 1
NI
C4102
1 / 6 . 3
C 4 3 4 1
1 0 / 1 6
C 4 4 5 4
0 . 0 1 / 5 0
C 4 4 1 1
3 3 0 p / 5 0 C 4 4 7 2
N I
C 4 4 2 4
1 / 6 . 3
C 4 3 5 1
N I
C 4 4 5 3
0 . 0 1 / 1 6
C 4 4 1 3
0 . 1 / 1 6
C 4 3 9 4
4 7 0 / 6 . 3
C 4 4 2 2
N I
C 4 4 3 3
C 4 4 9 2
0 . 1
/ 1 6
0 . 0 1 / 5 0 C 4 4 9 1
N I
C 4 4 4 3
4 . 7 / 2 5
C 4 4 7 5
NI
C4402
NI
C4412
NI
C4423
180k
R4477
2 k R 4 4 8 2
7 5
R 4 4 1 1
7 5
R 4 4 2 1
1 5 0 R 4 4 7 2
7 5
R 4 4 3 1
7 5
R 4 4 4 1
12k
R4484
7 5
R 4 4 5 1
820
R4483
1 5 0
R 4 4 7 1
7 5
R 4 4 2 2
4 7 0
R 4 4 7 4
75
R4111
7 5
R 4 4 5 2
4 7 0
R 4 4 7 3
75
R4121
7 5 R 4 4 3 2
180k
R4475
1 0 0 R 4 4 8 5
7 5
R 4 4 4 2
180k
R4476
1 0 k R 4 4 8 6
75
R4101
7 5
R 4 4 0 1
180k R4478
2 k R 4 4 8 1
I C 4 3 1 B H 7 8 6 8 F S - X
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17 1
6
1
5
1
4
1
3
1
2
1
1
1
0
987654321
Y
Pb
Pr
1 0 K
7 5
TERMINAL)
AUDIO R IN
(SCART
V C C
FUNCTION
(COMPONENT)
VIDEO OUT
AUDIO L IN
C I N
(S-VIDEO/
B
S 2
S 1
Y C M I X S W
C V I N
M U T E 1
NC
G
Y 2 I N
AUDIO R OUT
AUDIO L OUT
R/C
CV/Y
AUDIO AGND
GND
GND
GND
GND
BLANKING
GND
GND
GND
NC
NC
VIDEO OUT
R G B S W
C B I N
B I A S
Y
G N D
VIDEO DRIVER
M U T E 2
Y 1 I N
C B O U T S A G
G N D
G N D
C B O U T
Y 2 O U T
C V O U T S A G
Y 2 O U T S A G
G N D
Y 1 O U T S A G
C V O U T
(S-VIDEO
COMPOSITE)
Y
G N D
Y 1 O U T
C 0 U T
S - D C O U T
THIS AREA USES
VERSION J/C/UY/UW/UJ
1 1 . 2 V
0 V
0 V 1 1 . 2 V
0 V
0 V
5 . 1 V 0 V
5 . 1 V
0 V
0 V
B VERSION ONLY
V E R . B
C
CV
C
CV
5 . 0 V
2 . 5 V
0 V
2 . 5 V
0 V
2 . 5 V
5 . 0 V
2 . 5 V
0 V
0 V
2 . 5 V
0 V
2 . 5 V
0 V
2 . 5 V
2 . 5 V
2 . 5 V
0 V
2 . 5 V
2 . 5 V
2 . 5 V
2 . 5 V
THIS AREA USES FOR
0 V
AV
COMPOSITE)
VCR IN
1 B
0 S P E C
S P E C
1 A
1 0 K
0
9 . 5 - 1 2 V
0
0 V
0
R G B
0 V
0 - 0 . 4 V Y / C
1 0 . 4 V
4 . 5 - 7 V
1 2 . 0 8 V
5 . 9 1 V
B L A N K I N G
1 - 3 V 4 . 9 V
0 - 2 V L E V E L
0
0 V
5 . 4 9 V
F U N C T I O N
0 V
0 V
2 . 5 V
5 . 0 V 2 . 5 V
2 . 5 V
VIDEO SW
Ver.J/U
C R I N
2 . 5 V
V C C 2
5 . 0 V
C R O U T
2 . 5 V
C R O U T S A G
2 . 5 V
N C
N C
N C