JVC TH-S77 Service Manual page 32

Video input/output section
GVA10097-A1
S C A R T - R I N
S C A R T - L I N
A G N D
A + 1 2 V
V S 3
V S 1
A 5 V
A G N D
C
*1 PARTS LIST
E U
R 4 2 0 1 7 5 0
C V - Y 1
R 4 2 0 2 2 7 0
R 4 2 1 1 2 4 0 4 7 0
C
X 4 7 0
R 4 2 1 2
R 4 2 3 1 7 5 0
R 4 2 3 2 2 7 0
Y 2 - G
R 4 2 3 3 8 2 0 X
R 4 2 3 4 2 2 0 X
4 7 0
R 4 2 4 1
C b - B
R 4 2 4 2 1 2 0
R 4 2 5 1 1 0 0 4 7 0
C r - R
X 1 2 0
R 4 2 5 2
E : E / B / E N / E V / E E
U : A / U T / U S / U B / U Y / U P / U F / U X / U G / U J
/ U W / U Y
C V - Y 1
Y 2 - G
C B - B
2 . 5 V
0 V
Q 4 4 8 5 ( E )
2 S C 2 8 1 4 / 4 - 5 / - X
0 V
C R - R
B L A N K - C T L
B L A N K - C T L
V C R - S / C
V C R - S / C
V I D E O - S W
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 1
V I D E O - M U T E 2
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 - Y C M I X
V I D E O - R G B
V I D E O - R G B
Ver.U
R 4 1 9 1
0
C 4 1 9 1
4 7 / 3 5 VIDEO SW
I C 4 1 1 M M 1 2 3 3 X F - X
C 4 1 7 3
H L
2 . 0 V C I N 2 C I N 1 2 . 0 V
1 / 6 . 3
0 V S W 1 G N D 1 0 V
1 . 0 V C O U T C V I N 2 2 . 0 V
H
0 V G N D 2 V C C 5 . 0 V
L C 4 1 9 2
0 . 0 1 / 3 5
1 . 0 V C V O U T S W 2 0 V
C 4 1 7 2
1 . 0 V Y O U T C V I N 1 2 . 0 V
1 / 6 . 3
0 V S W 3 G N D 3 0 V
C 4 1 7 1
2 . 0 V Y I N 1 Y I N 2 2 . 0 V
1 / 6 . 3 L H
L 4 3 9 1
Q Q L 2 5 C K - 2 2 1 Z
2 2 0
C 4 3 9 1
4 7 0 / 1 0
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 O U T
V C C
5 . 0 V 5 . 0 V
S - D C O U T
S 1
C V O U T
S 2
2 . 5 V
C 4 3 1 1
0 . 0 1 / 5 0
C I N
C V O U T
S A G
2 . 5 V
V I D E O - M U T E 1 L
M U T E 1 S W G N D
0 V 0 V
C 4 3 0 1
4 7 / 2 5 C V I N Y 1 O U T
2 . 5 V 2 . 5 V
H
V I D E O - Y C M I X Y C M I X S W Y 1 O U T
0 V
S A G
C 4 3 2 1
Y 1 I N
G N D
2 . 5 V 0 V
C 4 3 9 5
1 / 6 . 3
2 2 / 5 0
4 7 0 / 6 . 3
Y 2 O U T
B I A S C 4 4 3 1
2 . 5 V
2 . 5 V
V I D E O - R G B
R G B S W Y 2 O U T
5 . 0 V
S A G
C 4 3 3 1
Y 2 I N G N D
2 . 5 V 0 V
1 / 6 . 3
C b O U T
G N D C 4 4 4 1
0 V 2 . 5 V
C 4 3 4 1
C b I N
C b O U T 4 7 0 / 6 . 3
2 . 5 V S A G
1 / 6 . 3
V I D E O - M U T E 2
M U T E 2 S W G N D
0 V 0 V
C 4 3 5 1
C r I N C r O U T
C 4 4 5 1
2 . 5 V 2 . 5 V
C 4 3 9 4
1 / 6 . 3
0 . 1 / 1 6
V C C
C r O U T 4 7 0 / 6 . 3
5 . 0 V
S A G
2-4
C 4 4 7 2 3 3 0 p / 5 0 C 4 4 9 1 0 . 0 1 / 5 0
Ver.E 2 2
R 4 4 7 2 1 5 0
C 4 4 7 6 C 4 4 7 1 3 3 0 p / 5 0
4 . 7 / 5 0 R 4 4 7 4
1
4 7 0
2
R 4 4 7 1
R 4 4 7 6
3
1 8 0 k
1 5 0
4
R 4 4 8 1 2 k C 4 4 7 5
C 4 4 4 3
R 4 4 7 5 4 . 7 / 5 0 R 4 4 7 3
4 7 p / 5 0 5
1 8 0 k 4 7 0
6
R 4 4 8 2 2 k R 4 4 4 2
7
7 5
8
9
1 0 . 3 V
1 0
R 4 4 3 2 7 5
1 0 . 3 V C 4 4 3 3
1 1
0 V N I
0 V
1 2
Q 4 4 8 2
Q 4 4 8 1
K R C 1 0 2 S - X 0 V
K R C 1 0 2 S - X 1 3
C 4 4 5 3
0 V
R 4 4 5 2 7 5
1 4
N I
1 5
5 . 0 V 0 V
1 6
Q 4 4 8 3 R 4 4 8 5 1 0 0
K R A 1 0 2 S - X 1 7
5 . 0 V
R 4 4 8 6 1 0 k 1 8
1 9
0 V
B L A N K - C T L
R 4 4 2 2
C 4 4 2 2 2 0
7 5
4 7 0 / 6 . 3
Q 4 4 8 4
C 4 4 2 4 2 1
K R C 1 0 2 S - X 0 V
N I
2 3
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 / 5 0 / 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 5 . 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
V I D E O - Y C M I X
R 4 4 5 1
5
7 5
6
R 4 4 4 1
3
7 5
4
R 4 4 3 1
1
V C R - S / C
7 5
2
C 4 4 2 1
4 7 0 / 6 . 3 R 4 4 2 1
7 5
6 N C
C
4
R 4 4 1 1 2
C 4 4 1 1 7 5
0 . 0 1 / 5 0
C 4 4 0 1
4 7 0 / 6 . 3 7 5
R 4 4 0 1
7
8
1 7
C 4 1 2 1
1 / 6 . 3
1 4 N C
C
1 2
1 0
C 4 1 1 1
0 . 0 1 / 5 0
C 4 1 0 1
1 / 6 . 3
1 5
1 6
Ver.U
J 4 4 0 3
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
A U D I O L O U T
A U D I O A G N D
G N D
A U D I O L I N
B
F U N C T I O N
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
G N D F U N C T I O N S P E C 1 0 K
7 5
C V / Y
L E V E L 0 0 - 2 V 0 V 0 V
N C
G N D
1 A 4 . 5 - 7 V 5 . 4 9 V 5 . 9 1 V
1 B 9 . 5 - 1 2 V 1 0 . 4 V 1 2 . 0 8 V
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
J 4 4 0 2
Q N N 0 5 7 2 - 0 0 1
Pr
Pb
VIDEO OUT
(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 3
Y
1 1
9
VCR IN
(S-VIDEO/
COMPOSITE)
CV
SHEET 3