JVC TH-P5B Service Manual page 50

Micon section (1)
TO DVD
LVA10643-A1 (1/2)
MAIN PWB
I C 4 9 4 K I A 7 8 S 0 9 P - T
R 4 0 9 1
1 0 1 1 . 2 V 8 . 9 V
3 1
1 / 4 W
2
0 V
A9V REG
C N 4 0 1
Q G D 2 5 0 1 C 1 - 0 7 Z
- 1 4 . 6 V
F +
1
- 1 8 . 9 V
F - 2
- 2 1 . 0 V
- V D I S P
3
C P 4 7 1
6 . 0 V
B 5 . 6 V D 4 8 4 5 !
4 S H O R T
1 S S 3 5 5 W - X
0 V B 5 V
D G N D
5
0 V
D G N D
6 D 4 8 4 6
6 . 0 V D 5 V
D 5 . 6 V
7
E R 2 0 4 - F 3 3
R 4 9 0 4
1 0 0
C N 4 0 3
Q G D 2 5 0 1 C 1 - 0 7 Z 2 W
9 . 4 V
M 9 V
1
1 1 . 7 V
1 2 V
2
0 V
M G N D
3
0 V
A G N D
4
5 . 2 V
S Y S _ P . O N D3.3V REG
5
1 . 6 V
T H E R M I S T O R
6
C 4 0 1 4 I C 4 9 2
P R O T E C T
7
M M 1 5 9 3 D F - X
C 4 9 2 2
0 . 0 0 1 4 7 0 p / 5 0
1 . 9 V
5 . 2 V
C O N T C N
0 V
N C G N D
N C N C
5 . 1 V 3 . 3 V
V I N V O U T
C 4 9 2 1
C 4 9 2 3
1 / 1 6
1 / 1 0
C N 4 0 4
C 4 9 2 4
Q G D 2 5 0 1 C 1 - 0 6 Z
1 0 0 / 1 6
C 4 0 1 5
3 3 . 0 V
+ 3 3 V
1
3 3 . 0 V
+ 3 3 V 0 . 0 0 1
2
3 3 . 0 V
+ 3 3 V
3
0 V
P G N D
4
0 V
P G N D
5
0 V
P G N D 6
F O R F L A S H
S C L K
U 2 S D T
S 2 U D T
R E S E T
V D D
D G N D
0 V C R - R - C
C R / C O U T
1 SAFETY2
0 V
D G N D C N 4 1 5
2
DETECT
0 V
C B - B
C B O U T
3
0 V
D G N D
4
0 V Y 2 - G
Y / G O U T
5 R 4 9 0 3
R 4 9 0 2
0 V
D G N D
6
8 . 2 k 1 0 k
0 . 4 V Y 1
Y O U T
7 K 4 7 0 2
E R 2 0 4 - F 3 3
5 . 1 V 2 . 3 V
S 5 V Q Q R 0 6 2 1 - 0 0 1 Z
8
0 . 9 V C
C O U T
9 D 4 8 4 1 5 . 2 V K 4 7 0 1
4 . 3 V Q 4 8 3 2
D 4 V
1 0
R 4 7 8 2
3 . 1 V 1 S S 3 5 5 W - X 2 . 2 V KTC3875/YG/-X
D 2 V
1 1
3 . 1 V
D 2 V
1 2
I C 4 7 3
T X S N 7 4 A H C T 0 8 N S - X
1 3
0 V
M G N D 1 4
0 V C 4 9 2 5 0 V
M G N D D 4 8 4 2
1 5 0 . 1 / 5 0
M A 1 5 2 W A - X
0 V
R X
1 6
5 . 1 V
M 5 V
1 7
9 . 4 V 0 V
M 9 V
1 8
5 . 2 V D V D _ P W R 3 . 3 V
D V D P W R
1 9
3 . 3 V
U 2 S D T 5 . 0 V
2 0
R 4 8 6 6 2 . 7 K
3 . 4 V D V D _ S 2 U D T 0 V
S 2 U D T
2 1
3 . 4 V R 4 8 6 4 3 3 0
S L C K
2 2
3 . 4 V R 4 8 6 3 2 . 2 K D V D _ S C S
S C S
2 3
U C S 3 . 4 V
2 4
R 4 8 6 1 2 . 2 K
3 . 4 V D V D _ R S T
C P U R S T
2 5
LEVEL SHIFT
I C 4 9 3 L B 1 6 4 1
1 2 3 4 5 6 7 8 9 1 0
LO_CLOSE
0 . 5 V C 4 7 9 3 C 4 7 9 4 LO_OPEN
T R A Y + ( O P E N )
1
1 0 0 / 1 6
0 . 5 V 0 . 1 / 1 6 C 4 0 1 7
T R A Y - ( C L O S E )
2 1 5 0 p / 5 0
0 . 5 V D 4 9 6 6
M G N D
3
U D Z W 4 . 7 B - X
0 V L O _ S W O P
O P E N S W
4
0 V L O _ S W C L
C L O S E S W
5
LOADER DRIVE
TO VIDEO PWB
D 4 8 3 6
M A 1 5 2 W A - X
2
A5V REG
1 SAFETY1
DETECT
I C 4 9 1 D 4 8 4 0 3
D 4 8 3 8
K I A 7 8 0 5 A P I
D 4 8 3 2
1 S S 3 5 5 W - X 1 S S 3 5 5 W - X 1 S S 3 5 5 W - X
1 1 . 6 V
4 . 9 V
1 3
2
D 4 8 3 1
4 . 7 V
0 V M A 1 5 2 W A - X
0 V
Q 4 8 3 1
K R C 1 0 2 S - X
D 4 8 4 8
0 V
1 S S 3 5 5 W - X
P 1 P 3
P 2
* *
0 V
A / D G N D
5.2V
N T S E L ( R G B S E L )
R 4 7 7 4
5.2V
*
S P _ M E A S
C 4 7 7 5
0 . 0 1 / 5 0 0 V
V E R S I O N 1
R 4 7 7 1
2.1V
*
V E R S I O N 2
R 4 7 7 3
5.2V
*
K E Y 1
C 4 7 7 1
5.2V
0 . 1 / 1 6
C 4 7 7 2 K E Y 2
0 . 1 / 1 6 1.5V
S A F E T Y 4
C 4 7 7 3
1.6V
0 . 1 / 1 6
S A F E T Y 5 S A F E T Y 5
C 4 7 7 4
5.2V
0 . 1 / 1 6
A D P O W E R
IC471
5.2V
V D D M N 1 0 1 C 4 9 G P T
C 4 7 0 8 2.6V
O S C 2 ( 8 M H z )
0 . 0 1 / 5 0
2.6V
O S C 1 ( 8 M H z )
0 V
G N D
SYSTEM MICOM
0 V
8MHz X I
X O
0 V
N M O D
R 4 8 7 2 3 3 0
D I _ D T 4 . 9 V
D I _ D T
N C
R 4 8 7 1 3 3 0
D I _ C K 5 . 1 V
R 4 7 6 0 D I _ C K
2 . 2 k 5 . 1 V
R 4 7 6 1 D V D _ S 2 U D T / T X
1 0 k 5 . 1 V
R 4 8 7 5
R 4 7 6 2 4 7 0 D V D _ U 2 S D T / R X
1 0 k 5 . 1 V
R 4 8 7 7
D V D _ C K / C L K
4 7 0
D V D _ S C S 5 . 0 V
D V D _ S C S
D V D _ R S T 5 . 0 V
D V D _ R S T
6
5
4
3
R 4 8 7 6
2
3 3 0
D V D _ U C S
1
N I
R 4 9 9 9 N I
N I ( F O R F L A S H )
0
AC OFF
DETECT C 4 7 0 7
5.0V R 4 7 9 1 1 0 0 / 1 6
5.0V 2 2 0
3.3V
5.0V
R 4 7 0 5
5.0V
3 . 3 V 2 2 k R 4 7 0 2
1 K
5 . 0 V
2 1
RESET I C 4 7 2
EEP ROM
S - 8 0 8 4 0 C N N B - G - W
3 4
C N 4 2 1 C N 4 2 2
Q G F 1 2 0 5 C 2 - 1 3 Q G D 2 5 0 1 C 1 - 0 5 Z
TO CN501 FRONT/FL TO CN511 KEY
*
R 4 8 4 6
1 0 k
4 . 3 V
S D FAN
0 V
N C DRIVE
R 4 7 0 6
N C
2 2 0
5 . 2 V
A V C _ I N
0 V
R 4 2 0 2
A V C _ O U T
U N F 1 0
0 V 2 2 0
B L A N K
R 4 7 0 8
0 V 1 1 . 8 V
1 / 4 W
V S 3
Q 4 2 0 2
0 V 1 1 . 8 V
V S 1
K R A 1 0 2 S - X
5 . 2 V
V _ M U T E 2
0 V
5 . 2 V
V _ M U T E 1
0 V
V _ L P F
5 . 2 V
V _ R G B
0 V 1 1 . 6 V
V _ Y C M I X
N C
0 V
0 V
A _ L E V E L
Q 4 2 0 1
0 V 0 V
A _ S W 2
0 V
A _ S W 1
R 4 7 8 1 3 3 0
0 V K R C 1 0 3 S - X
R D S _ O N
R 4 7 7 5 3 3 0 B,E,EV,EN,EE : NO USE
0 V
T U _ C E
1 0 0
0 V R 4 7 7 7
T U _ D T I
0 V R 4 7 7 8 1 0 0
T U _ D T O
0 V R 4 7 7 6 3 3 0
T U _ C K
5 . 2 V
V A L I D 2
5 . 2 V
V A L I D 1
0 V
PWM_BEERR
R 4 7 1 0
1 0 0 k
8 7 6 5
I C 4 7 7
B R 2 4 L 0 8 F - W - X
1 2 3 4
N O T E S :
1 . V O L T A G E S A R E D C - M E A S U R E D W I T H A D I G I T A L V O L T M E T E R
O R O S C I L L O S C O P E W I T H O U T I N P U T S I G N A L .
C O N D I T I O N P O W E R - O N . S O U C E : D V D S T O P .
2 . U N L E S S O T H E R W I S E S P E C I F I E D .
A L L R E S I S T A N C E V A L U E S A R E I N O H M S .
A L L I N D U C T A N C E V A L U E S A R E I N H .
A L L C A P A C I T A N C E V A L U E S A R E I N F . P I S p F .
TO DVD
0 V
Q 4 6 0 1
K R C 1 1 0 S - X
3 . 1 V
0 V
I C 4 6 1
A K 5 3 5 8 E T - X
C 4 6 1 0
1 0 / 5 0
A I N R C K S 0
0 . 5 V 0 V
C 4 6 0 9
A I N L C K S 2
0 . 5 V 3 . 3 V
C 4 6 0 8 1 0 / 5 0
4 7 0 p / 5 0
C K S 1 D I F
C 4 6 0 7 0 V 0 V
4 7 0 p / 5 0
C 4 6 0 3 V C O M P D N
0 . 4 7 / 1 6 0 V 0 V
R 4 6 0 5
A G N D S C L K
C 4 6 0 1
0 V 1 . 6 V 1 0 0
V A M C L K
2 2 / 5 0 C 4 6 0 2 4 . 9 V 1 . 6 V
C 4 6 0 6 0 . 1 / 1 6
R 4 6 0 6
0 . 1 / 1 6
V D L R C K
3 . 3 V 1 . 7 V 1 0 0
R 4 6 0 2
D G N D S D T O
1 C 4 6 0 4 C 4 6 0 5 0 V 0 V 1 0 0
2 2 / 5 0 0 . 1 / 1 6
R 4 6 0 1
1 0 0
R 4 6 0 4
A/D CONVERTER
Q 4 2 0 3
K T C 3 2 0 3 / O Y / - T
FAN MOTOR STOP DETECTOR
1 1 . 8 V 0 V
N I 4 . 7 V
0 V D 4 2 0 4
0 V
N I
1 S S 3 5 5 W - X
0 V
D 4 2 0 3 N I 0 V
R 4 2 0 8
1 0 0
RB521S-30-X 0 V
0 V
NO INSERT (EXCEPT B4001)
*PARTS LIST
P 3 P 5
E
E U 1 U 2 U 3
8 . 2 k
R 4 7 5 2 P - U P X 2 7 k 1 5 k X
V E R S I O N 1
( V E R S I O N )
R 4 7 7 1 P - D O W N 1 0 k 1 0 k 1 0 k 1 0 k 1 0 k
R 4 7 6 3 P - U P X 1 5 K
V E R S I O N 2
( M O D E L )
R 4 7 7 3 P - D O W N 1 0 K 1 0 K
P - U P
R 4 7 5 1 1 0 k X 1 0 k X 1 0 k X 1 0 k
1 0 k
( P A L / R G B )
N T S E L
1 . 5 V
S A F E T Y 5 / R G B S E L
5 P - D O W N X
R 4 7 7 4 X X 1 0 k X 1 0 k X 1 0 k
1 . 4 V ( N T S C / Y C )
S A F E T Y 4
4 FOR
0 V
A V C O DEVICE KEY F A N X X
3
0 V
WRITING
2 B G N D
X X
C N 4 1 7
5 . 2 V
A V C I
1
F A N D R I V E
R 4 8 4 8 X X
R 4 8 8 7 X X
X
R 4 8 8 8
E : B / E / E N / E V / E E
U 1 ( P A L ) : A / U S / U B / U F / U G / U N
( N T S C ) : U T / U P / U J
U 2 ( P A L ) : U Y
( N T S C ) : U W
U 3 ( P A L ) : U X
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
FAN
*
*
0 V
3 3
0 V
2 2
0 V
1 1
D A C C K +
D A C C K -
L R C K
A O U T 2
A O U T 1
A O U T 0
B C K
P W M _ M U T E
P W M _ D T
P W M _ C K
P W M _ R S T
S P _ M E A S
P W M _ B E E R R
V A L I D 1
V A L I D 2
S D
O T W
H P _ D E T
H P _ M U T E
S A F E T Y 5
B G N D
E P 1 0 1
A + 1 2 V
+ 3 3 V
P G N D
D 3 . 3 V
S A F E T Y 3
B 5 V
P 7
U 1 U 2 U 3
E
2 7 k 1 5 k
X 8 . 2 k
1 0 k 1 0 k 1 0 k 1 0 k
1 0 K
X
1 0 k 1 0 k X 1 0 k X 1 0 k X
X
X X 1 0 k 1 0 k X 1 0 k
X
X
X
X
X
2-3