JVC TH-C9 Service Manual page 49

System control section
GVA10092-A1
(1/2)
MAIN PWB
A5V REG SAFETY1 DETECT
D 4 8 3 4
1 S S 1 3 3 - T 2
K I A 7 8 0 5 A P I
I C 4 9 1
1 S S 1 3 3 - T 2
D 4 8 3 1
1 2 . 3 V 5 . 0 V
1 3
0 V
2
D 4 8 3 3
1 S S 1 3 3 - T 2
F -
- 3 0 . 2 V 5
F +
- 2 5 . 9 V 4
- V D I S P
- 3 3 . 9 V 3
D 5 V 4 . 9 V 2
DGND 0 V 1
DVD B3.3V
DGND 0 V 4
B 5 V 3
5 . 0 V
D V D - P O N
DVD-PON 4 . 9 V 2
S Y S - P O N
SYS-PON 4 . 9 V 1
K T C 3 2 0 3 / O Y / - T
Q 4 9 6 1
5 . 0 V 3 . 4 V
4 . 1 V
4 . 9 V
D V D - 5 V 5 . 0 V 5
DVD-GND 0 V 4
DVD-GND 3
0 V
D V D - 4 V 4 . 1 V 2
MGND 0 V 1
M9V 8 . 9 V 5
MGND 0 V 4
+ 1 2 V 1 2 . 1 V 3
AGND 0 V 2
- 1 2 V - 1 2 . 5 V 1
D 3 . 3 V S W
3 . 3 V
D 3 . 3 V
3 . 3 V
5 . 0 V
4 . 8 V 0 V
0 V
Y 2 - G
Y-OUT 2 8
0 V
D G N D
VGND 0 V 2 7
C
C-OUT 0 . 9 V 2 6
DGND 2 5
0 V
C R - R
Cr-OUT 2 4
0 V
DGND 0 V 2 3
C B - B
Cb-OUT 0 . 2 V 2 2
D 4 8 4 1
DGND 2 1
0 V M T Z J 2 . 0 A - T 2
C V - Y 1
COMP
0 . 4 V 2 0
S 5 V 5 . 0 V 1 9
D 4 V 4 . 1 V 1 8
D 2 V 1 7
3 . 1 V
D 2 V 3 . 1 V 1 6
D 4 8 4 2 D V D G N D
MGND 0 V 1 5 LEVEL SIFT
M T Z J 3 . 3 A - T 2
MGND 1 4
0 V
MGND 1 3
0 V D I N
I C 4 7 3
RX 2 . 8 V 1 2 S N 7 4 H C T 3 2 N S - X
M5V 5 . 0 V 1 1
B 4 1 7 9 1 3
M9V 1 0
8 . 9 V
2
N I
M9V 8 . 9 V 9 0 V
I C 4 8 0 C 4 7 8 0
K I A 7 8 0 5 A P I 1 0 0 / 1 6
N C 8 0 V
B 3 . 3 V 3 . 3 V 7 0 V
D I S P S 2 D 6
3 . 0 V
R 4 8 6 6 2 . 7 k S 2 U D T
D I S P D 2 S 3 . 2 V 5 0 V
R 4 8 6 4 2 . 2 k S C L K 0 V
DISPCK 3 . 2 V 4
0 V
R 4 8 6 3 2 . 2 k I N T P
DISPCS 2 . 5 V 3
0 V
DISPBUSY 0 . 4 V 2
R 4 8 6 1
2 . 2 k C P U R S T
D I S P R S T 3 . 2 V 1
E P 4 0 3
TO CN441 (SHEET 5)
C N 4 1 1
Q G F 1 0 3 6 C 1 - 3 1
A7V REG
R 4 9 2 1 K T C 3 2 0 3 / O Y / - T
! 1 0 Q 4 9 2 1
1 2 . 3 V 7 . 1 V
F R
7 . 8 V
K R C 1 0 2 S - X
Q 4 8 3 1
3 . 6 V
0 V
0 V
- 7 . 8 V
R 4 9 3 1
1 0
F R
- 1 2 . 3 V - 7 . 1 V
Q 4 9 3 1
!
K T A 1 2 7 1 / O Y / - T
A-7V REG
Q 4 8 3 3
K R C 1 1 0 S - X
0 V 4 . 9 V
0 V
V R E F -
0 V
N T S E L ( R G B S E L ) 4 . 9 V
V E R S I O N 1 4 . 9 V
V C R - S / C
V C R - S / C 4 . 9 V
C 4 7 7 1 * R 4 7 7 3
V E R S I O N 2 0 V
K E Y 1 0 . 1 / 1 6 1 0 k
5 . 0 V
K E Y - I N 1 4 . 9 V
K E Y 2 C 4 7 7 2
K E Y - I N 2 4 . 9 V
K E Y 3 0 . 1 / 1 6
K E Y - I N 3 4 . 9 V
K E Y 4
K E Y - I N 4 4 . 9 V
M N 1 0 1 C 4 9 G F W
0 . 1 / 1 6 C 4 7 7 4
V R E F + 4 . 9 V IC471
C 4 7 7 3
V D D 4 . 9 V
0 . 1 / 1 6
O S C 2 ( 8 M H z ) 2 . 3 V
O S C 1 ( 8 M H z ) 2 . 3 V
G N D 0 V SYSTEM MICOM
C 4 7 0 9 0 . 0 1 / 1 6 N C 0 V
C 4 7 0 7 1 0 0 / 1 6 N C 4 . 8 V
R 4 8 7 2 G N D 0 V
D I - D O 4 . 8 V
C 4 7 0 8
3 3 0
2 . 2 k N C 0 V
R 4 8 7 1
R 4 7 6 0 0 . 0 1 / 5 0
F O R F L A S H
D I - C K 4 . 8 V
3 3 0
S 2 U D T 4 . 7 V
R 4 7 6 1 S 2 U D T / T X ( D A T A O U T )
R 4 8 7 5
1 0 k U 2 S D T
U 2 S D T / R X ( D A T A I N ) 4 . 9 V
S C L K
3 3 0
S C L K / C L K 4 . 7 V
R 4 7 6 2 1 0 k
I N T P
S C S 4 . 7 V
C P U R S T
C P U - R E S E T
4 . 7 V
D M U T E
C S
R 4 8 7 6
3 3 0
K 4 7 0 2 ( B 4 1 6 5 )
Q Q R 0 6 2 1 - 0 0 1 Z
R 4 9 9 9 0
( F O R F L A S H )
K 4 7 0 1 ( B 4 1 6 4 )
Q Q R 0 6 2 1 - 0 0 1 Z
0 V
BACDUP
A N D 1 . 4 V
Q 4 7 0 1
DETECT
0 V K R C 1 1 1 S - X
1 S S 1 3 3 - T 2
R 4 7 0 5 4 . 7 k
*
4 . 9 V
Q 4 7 0 2
5 . 0 V 5 . 0 V C 4 7 0 3 K R C 1 0 7 S - X
2 1 2 . 2 / 5 0
0 V
5 . 0 V
RESET
0 V
0 V
0 . 3 V
0 V 3 4
0 V 0 V
0 . 3 V I C 4 7 2
3 . 1 V S - 8 0 8 4 0 C N N B - W
4 . 7 V
C N 4 5 6
C N 4 5 0 Q G D 2 5 0 4 C 1 - 0 4 Z
Q G F 1 2 0 5 C 1 - 1 3
TO FW561
TO CN501
(SHEET 4)
(SHEET 4)
TO CN703
TO CN702
TO CN442 (SHEET 5)
(SHEET 7)
(SHEET 7)
C N 4 1 2 C N 4 0 2 C N 4 0 1
Q G F 1 0 3 6 C 1 - 0 8
Q G F 1 0 3 6 C 1 - 0 7 Q G F 1 0 3 6 C 1 - 1 0
I C 4 7 8 I C 4 7 5 ( 1 / 2 ) C 6 5 0 1
C 6 5 1 5 C 6 5 1 4 3
R C 4 5 5 8 D - X 0 . 1 / 1 6 0 . 1 / 1 6 R C 4 5 5 8 D - X
0V 0V
( 1 / 2 ) 3 1
R 6 5 0 2 4 . 7 / 5 0
0V 1 0 k
0V 1 C 6 5 0 3 2 4.9V
R 6 5 0 3
4 . 7 / 5 0
1 k 0V
2 R 6 5 1 0
R 6 5 0 8 1 0 0 K
1 k 0V C 6 5 0 2
0V Q 4 9 7 1 1 0 k
R 6 5 0 6 5 6 p / 5 0
R 6 5 0 7 R 4 9 7 1 11.1V
C 6 5 1 6 11.1V Q 4 9 7 3
2 . 2 k
5 6 P / 5 0 1 0 k 2 S C 3 6 6 1 - X
K R A 1 0 4 S - X
C 6 6 1 6
0V R 6 6 0 3 1 k
5 6 P / 5 0
2 S C 3 6 6 1 - X C 6 6 0 2 5 6 p / 5 0
R 6 6 0 8 R 6 6 0 7
Q 4 9 7 2
1 k C 4 7 1 2 R 4 7 8 3
1 0 k
C 4 7 2 0 -12.3V 4 6 0V 0 . 1 / 1 6 R 6 6 0 2
1 0 k
- 0V -12.3V
0 . 1 / 1 6 0V 7 6 1 5 0
C 6 6 1 5
4 C 6 6 0 1
C 4 7 2 1 0 . 1 / 1 6 - 0V
5 7
+ 0V I C 4 7 5 4 . 7 / 5 0
8 C 6 6 0 3
R C 4 5 5 8 D - X
0 . 1 / 1 6 12.3V 0V C 6 6 1 4 4 . 7 / 5 0 8 5
R 6 6 1 0 +
0 . 1 / 1 6 R 4 7 8 4
I C 4 7 8 ( 2 / 2 ) R 6 6 0 6 0V
C 4 7 1 3 12.3V
1 0 0 K 0 . 1 / 1 6
R C 4 5 5 8 D - X ( 2 / 2 )
1 0 k 1 5 0
R 4 8 8 7 N I
D 4 7 0 7
1 S S 1 3 3 - T 2
S - M U T E
R 4 7 7 5 A M - B E A T
0 V A M - B E A T
3 3 0
0 V T U - C E
R 4 7 7 6
3 3 0
E P 4 0 1
0 V T U - C K
R 4 7 7 7
0 V T U - D O
1 0 0
4 . 8 V N C
R 4 7 7 8
0 V T U - D I
1 0 0
0 V N C S W P O N
0 V N C S M U T E
0 V R D S - D A T A
R 4 7 8 0
0 V N C 3 3 0
0 V T U - P O N
4 . 8 V D V D - P O N
4 . 8 V S W - P O N
R 4 7 5 8
4 . 8 V S Y S - P O N
H P - D E T
1 0 k
0 V H P - D E T
K T A 1 5 0 4 / Y G / - X
0 V N C
4 . 9 V
0 V I N H
0 V M I C M U T E
0 V V I D E O - R G B
4 . 8 V V I D E O - Y C M I X
0 V V I D E O - M U T E 2
0 V V I D E O - M U T E 1
0 V V I D E O - S W
0 V N C 0 V
0 V T U L P F
S-MUTE DRIVER
D 4 7 0 6
A V V L R
1 S S 1 3 3 - T 2
A V V L R
1 0 0 k R 4 7 1 0
* *
D 4 7 0 5 C 4 7 1 0 C 6 1 0 1
0 . 0 1 / 5 0 v
4 . 7 / 5 0
* B 4 0 5 0
C 4 7 1 1
* 1 0 / 5 0
Q 4 7 0 3
4 . 6 V
K R C 1 0 2 S - X
0 V
8 7 6 5
0 V
4 . 7 / 5 0
EEP ROM
C 6 2 0 1
I C 4 7 7
1 2 3 4
B R 2 4 L 0 8 F - W - X
0 V 0 V 0 V 0 V
R 6 3 0 4
2 7 0
R 6 3 0 5 2 7 0
AV COMPULINK
C N 4 5 7
Q G D 2 5 0 4 C 1 - 0 3 Z
C N 4 7 0
Q G F 1 2 0 5 C 1 - 0 5
( E X C E P T J / C / U J V E R S I O N )
TO FW521
(SHEET 4)
TO TUNER
C N 4 1 0
Q G F 1 2 0 5 C 1 - 1 1
2 0 9 X - B L O C K
B U 1 9 2 4 F - X
TU9V REG
C 4 0 1 1
8 2 0 0 p / 5 0 C 4 0 7 7 3 9 p / 5 0
R 4 0 1 3 K T A 1 2 7 1 / O Y / - T
S C L
Q 4 0 9 1 2 . 5 V
6 . 8 k
1 2 . 3 V 0 V N C
0 V
R 4 0 1 4 O S C O
2 . 4 V
6 . 8 k O S C I
1 2 . 0 V
1 . 8 V
C 4 0 1 2 C 4 0 7 8 3 9 p / 5 0
D V D D
4.9V
5 . 0 V
D V S S
8 2 0 0 p / 5 0 0 . 1 / 1 6 v
0 V
C 4 0 7 3
N C
0 V
N C
4 7 / 1 6 0 V
1 2 . 0 V
C 4 0 7 1
0 V
Q 4 0 9 2
0 V
K T C 3 8 7 5 / Y G / - X V E R . B
C 4 0 9 1
RDS DECODER
2 2 / 5 0
Q 4 9 5 1 R 4 9 5 2 I C 4 7 4
K R A 1 0 4 S - X 2 2 k 0 C D 4 0 6 6 B M - X
4 . 7 V 4 . 7 V R 4 9 9 7
7 6 5 4 3 2 1
0 V
0 V
0 V
8 9 1 0 1 1 1 2 1 3 1 4
- 7 . 1 V
R 4 9 9 8 0
C 6 5 1 7
R 6 5 1 5 3
4 7 0 p / 5 0
R 4 9 7 4 1 k
I C 4 7 6
1 8 0 K 0V 1 0V
R C 4 5 5 8 D - X R 6 5 1 8 R 6 5 1 1
2 ( 1 / 2 ) 2 2 k 3 3 k
R 6 5 1 6
0V
1 0 k
C 6 5 1 1
4 . 7 / 5 0 v
C 6 5 1 2
5 6 p / 5 0
R 6 6 1 6 1 0 k
C 6 6 1 2
R 4 7 8 5
5 6 p / 5 0
1 5 0
-12.3V R 6 6 1 1
3 3 k
C 6 6 1 3 4 6
R 4 9 7 5 4 . 7 / 5 0
1 8 0 K - 0V
0V 7 ( 2 / 2 ) R 6 6 1 8
C 6 6 1 1
I C 4 7 6 2 2 k
4 . 7 / 5 0
R 6 6 1 5 8 5 R C 4 5 5 8 D - X
C 4 7 1 5 +
1 k 0V
R 4 7 8 6 12.3V C 6 6 1 7
1 5 0 4 7 0 p / 5 0
0 . 1 / 1 6
!
Q 4 8 0 1
Q 4 8 1 1
K R A 1 0 2 S - X
- 1 2 . 0 V 1 2 . 3 V 1 2 . 3 V
4 . 9 V 0 V
Q 4 8 1 2
0 V
K R C 1 0 2 S - X
4 . 8 V
Q 4 8 2 1
4 . 9 V K R C 1 0 2 S - X 5 . 0 V
0 V
0 V
K R C 1 0 2 S - X
Q 4 8 0 2
0 V 0 V
SW-PON AM-BEAT CUT
HP AMP
I C 6 0 1
R C 4 5 5 8 D - X
0 V
3 C 6 1 0 3
4 7 / 5 0
1 VERSION
( A V C O M P U L I N K )
* 0 V
2 0 V R 6 1 0 6
3 3
*
R 6 1 0 2 C 6 1 0 2 J / C / U J O T H E R S
1 K
D 4 7 0 5 B 4 0 5 0
R 6 1 0 3 3 3 k
R 4 7 0 8 B 4 0 5 1
Q 4 7 0 3 X
R 6 2 0 3
C N 4 6 0
3 3 k
Q G F 1 2 0 5 C 1 - 0 5 *PARTS LIST
*
C 6 2 0 2 5 N C
E U 1
R 6 2 0 2
4 H P - L 0 V
1 K 1 1 . 3 V
6
8 R 4 7 5 2 P - U P X 2 7 k
R 6 2 0 6 3 A G N D
- 7 0 V V E R S I O N 1
3 3
0 V
2 0 V
H P - R ( V E R S I O N )
0 V 0 V R 4 7 7 1 P - D O W N 1 0 k 1 0 k
5 C 6 2 0 3 C 6 2 0 5
+ 0 . 0 1 / 5 0 3 9
* 4 4 7 / 5 0 1 H P - D E T 0 . 4 V
R 6 2 0 7
- 1 1 . 3 V R 4 7 6 3 P - U P
R C 4 5 5 8 D - X C 6 2 0 4
V E R S I O N 2
0 . 1 / 1 6 C 4 0 0 9
I C 6 0 1 N I ( M O D E L )
E P 4 0 2 R 4 7 7 3 P - D O W N
P - U P
R 4 8 9 1 R 4 7 5 1 1 0 k 1 0 k
( P A L / R G B )
N T S E L
/ R G B S E L
P - D O W N
2 2 0 R 4 7 7 4 X X
( N T S C / Y C )
Q N S 0 0 8 9 - 0 0 1
J 4 8 9 1
V C R - S W R 4 7 5 3
2
C 6 2 0 6
1
R 4 8 9 2 C 6 2 0 7
3
E M C
2 2 0 C 6 1 0 2
* : J / C / U J V E R S I O N O N L Y
C 6 2 0 2
4
E : B
U 1 ( P A L ) : A / U S / U N
( N T S C ) : U T / U J
U 2 ( N T S C ) : U W / U Y
U 3 ( P A L ) : U X / U G
J : J / C
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
I C 4 8 1
R 4 0 7 4 1 0 K
Q O U T
2 . 2 V
S D A
2 . 7 V C 4 0 7 5
V R E F
2 . 6 V 1 0 / 5 0
C 4 0 7 6
M P X
0 V 2 7 0 P / 5 0
A V D D
5 . 0 V
A V S S
0 V
D I N
0 V
C M P
2 . 6 V
T V - S O U N D / A U X
S E L E C T S W
V E R . B
R 4 9 9 7 / R 4 9 9 8 f o r U / J
S C A R T - L I N
S C A R T - L I N
S C A R T - R I N
S C A R T - R I N
A G N D
A + 1 2 V
A + 1 2 V
V S 3
V S 3
V S 1
V S 1
A 5 V
A 5 V
D G N D
A G N D
C
C
C V - Y 1
C V - Y 1
Y 2 - G
Y 2 - G
C B - B
C B - B
C R - R
C R - R
A G N D
A G N D
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
V I D E O - L P F
V I D E O - L P F
T H - C 3 / 4 / 5 / 6 / 7 / 9
U 2 U 3 J E U 1 U 2 U 3 J
1 5 k 8 . 2 k 2 7 k X 2 7 k 1 5 k 8 . 2 k 2 7 k
1 0 k 1 0 k X 1 0 k 1 0 k 1 0 k 1 0 k X
X C 3 / C 4 = X , C 5 = 2 7 K , C 6 = 1 5 K , C 7 / C 9 = 8 . 2 K
1 0 k 1 0 K
X X X X 1 0 k 1 0 k X X 1 0 K X
1 0 k 1 0 k 1 0 k 1 0 k X X 1 0 k 1 0 k X 1 0 k
1 0 k 1 0 k
3 3 0 p /
X
5 0 v
3 3 0 p /
X
5 0 v
1 0 p /
1 0 0 p / 5 0 v
5 0 v
1 0 p /
5 0 v 1 0 0 p / 5 0 v
SHEET 2
2-3