Toshiba 20SLDT1 Service Manual page 9

A B
8
D e b u g p o r t
7
5 V s b t
R R 6 6 7 7
3 J 3 J
4 4 7 . 7 . K K
R R 6 6 6 6
1
4 4 7 . 7 . K K R R 6 6 3 3
2
S C L _ T X 3 3 3 3 T T X X D D
3
S D A _ R X R X D
4
R R 7 7 5 5 3 3 3 3
5
T X D
R X D C C O O N N 5 5
6
V S _ R G B
V S _ R G B
H S _ R G B
H S _ R G B
P R +
P R +
P - R
P - R
P B +
P B +
P - B
P - B
S O Y
S O Y
Y +
Y +
- Y
5
- Y
B N I +
B N I +
I B - N
I B - N
S O G
S O G
G N I +
G N I +
I G - N
I G - N
R N I +
R N I +
I R - N
I R - N
A V 1 C - n i +
A V 1 C - n i +
A V - 1 i C - n
A V - 1 i C - n
A V 1 Y - n i +
A V 1 Y - n i +
A V - 1 i Y - n
A V - 1 i Y - n
A V 3 V - n i +
A V 3 V - n i +
A V - 3 i V - n
A V - 3 i V - n
A V 2 V - n i +
4 A V 2 V - n i +
A V - 2 i V - n
A V - 2 i V - n
A V 1 V - n i +
A V 1 V - n i +
A V - 1 i V - n
A V - 1 i V - n
T V 1 V - n i +
T V 1 V - n i +
T V - 1 i V - n
T V - 1 i V - n
C V B S _ O U T 1
5 V
I 2 C a d d r e s s
a t A 0 .
U U 3 3 5 5
1 8
A 0 V C C
2 7
3
A 1 W P
3 6
A 2 S C L
4 5
G N D S D A
2 2 4 4 C C 1 1 6 6
V D P 3 - 3 . V
7 7 5 5 3 3 1 1
R R P P 2 2 2 2
R R P P 4 4 7 . 7 . K K X X 4 4 R R 7 7
2
1 1 K K
8 8 6 6 4 4 2 2
S Y S R - E S E T A M P a - j d
S Y S R - E S E T
A D J P - W M 0
V G A V - S T
A O U - T M U T E
R R 7 7
O N P - B A C K
1 1 0 0
F L A S H _ W P
F L A S H _ W P
R R 7 7 6 6
N N C C
1
A B
H-1
C
MST718BE SCHEMATIC DIAGRAM
C C 6 6 9 9
2 2 2 2 P P
R R 6 6 4 4
3
C C 1 1 8 8 1 1 1 1 M M
2 2 2 2 P P Y Y 2 2
1 1 2 2 M M H H Z Z
M P L 2 - 5 . V
V S _ R G B
H S _ R G B
U U 3 3 0 0 4 4
A D C 2 - 5 . V
C C 1 1 8 8 7 7 C C 1 1 0 0 4 4 C C 1 1 8 8 8 8 C C 8 8 1 1
0 0 1 . 1 . u u 0 0 1 . 1 . u u 0 0 1 . 1 . u u 0 0 1 . 1 . u u
1
A V S S _ A D C
2
V M D I
3
V C L A M P
C C 1 1 0 0 2 2
4
V R M
0 0 1 . 1 . u u
5
V R P
6
A V D D _ A D C
7
P R N I P
8
P R N I M
9
P B N I P
1 0
P B N I M
1 1
S O Y
1 2
Y N I P
1 3
Y N I M
1 4
B N I P
1 5
B N I M
1 6
S O G
1 7
G N I P
M M
1 8
G N I M
1 9
R N I P
2 0
R N I M
2 1
A V D D _ A D C
C C 8 8 7 7 0 0 1 . 1 . u u S V _ C 0 +
2 2
C 1 N I P
C C 1 1 8 8 0 0 0 0 1 . 1 . u u S V _ C - 0
2 3
C 1 N I M
C C 1 1 8 8 5 5 0 0 1 . 1 . u u S V _ Y 0 +
2 4
Y S 1 N I P
C C 1 1 9 9 0 0 0 0 1 . 1 . u u S V _ Y - 0
2 5
Y S 1 N I M
C C 1 1 2 2 9 9 N N C C S C _ C 1 +
2 6
C 2 N I P
C C 6 6 0 0 0 0 N N C C S C _ C - 1
2 7
C 2 N I M
C C 1 1 9 9 2 2 0 0 1 . 1 . u u S C _ Y 1 +
2 8
Y S 2 N I P
C C 1 1 6 6 5 5 0 0 1 . 1 . u u S C _ Y - 1
2 9
Y S 2 N I M
C C 1 1 4 4 4 4 0 0 1 . 1 . u u C V B S 1 +
3 0
C V B S 1 P
C C 1 1 3 3 0 0 0 0 1 . 1 . u u C V B S - 1
3 1
C V B S 1 M
C C 1 1 0 0 1 1 0 0 1 . 1 . u u T U N E R _ C V B S +
3 2
C V B S 2 P
C C 9 9 9 9 0 0 1 . 1 . u u T U N E R _ C V B - S
3 3
C V B S 2 M
3 4
C V B S O 1
3 5
G M C 5 - V
A V D D _ G M C
3 6
A V S S _ P W M
3 7
P W M 5 - V
s b t A V D D _ P W M
3 8
P W M O U T 2
C C 2 2 9 9 0 0
0 0 1 . 1 . u u
R R 6 6 0 0 1 1 0 0 S C L
S D A
R R 7 7 8 8 1 1 0 0
R R 8 8 1 1
3 3 3 3
V D P 3 - 3 . V
U U 1 1 4 4
3 3
P P S S 2 2 5 5 L L V V 0 0 2 2 0 0
R R P P 1 1 3 3 4 4 7 . 7 . K K
1 8
C E # V D D
C C 1 1 7 7 4 4
2 7
S O H O L D #
3 6
W P # S C K
0 0 1 . 1 . u u
4 5
V S S I S
2 2
K K
R R P P 2 2 1 1 3 3 3 3
R R 7 7 7 7 1 1 K K
C
D E
(MAIN PCB)
B O 7 R R P P 1 1
B O 6
B O 5
B O 4
C D A C 2 - 5 . V R R 7 7 4 4 B O 3 R R P P 2 2
B O 2
3 3 9 9 0 0 B O 1
V A X 5 - V B O 0
O P L 2 - 5 . V
+ 2 5 . V
1 0 2
B O U T 1 L / V B C K M
V D P 3 - 3 . V
1 0 1
B O U T 0 L / V B C K P
1 0 0
N I T O U T
G O 7
9 9
G O U T 7 L / V B 3 M
G O 6
9 8
G O U T 6 L / V B 3 P
G O 5
9 7
G O U T 5
G O 4
9 6
G O U T 4
G O 3 L / V A
9 5
G O U T 3 L / V A 0 M
G O 2 L / V A
9 4
G O U T 2 L / V A 0 P
G O 1 L / V A
9 3
G O U T 1 L / V A 1 M
G O 0 L / V A
9 2
G O U T 0 L / V A 1 P
R O 7
9 1
R O U T 7
R O 6
9 0
R O U T 6
R O 5 L / V A
8 9
R O U T 5 L / V A 2 M
R O 4 L / V A
8 8
R O U T 4 L / V A 2 P
R O 3 L V A
8 7
R O U T 3 L / V A C K M
R O 2 L / V A
8 6
R O U T 2 L / V A C K P
S S T T 7 7 8 1 8 1
R O 1 L / V A
8 5
R O U T 1 L / V A 3 M
R O 0 L / V A
8 4
R O U T 0 L / V A 3 P
R R 5 5 2 2 1 1 0 0
8 3
G I P O 7 P / 0 7 .
8 2
V D D P
8 1
G N D P
H S O
8 0
H S Y N C O
V S O
7 9
V S Y N C O
D E O 1
7 8
D E O
C L K O
7 7
C L K O
7 6
F B P / 5 3 .
R R 5 5 0 0 1 1 0 0
7 5
O S D B P / 5 2 .
O N P - B A C K
7 4
O S D G P / 5 1 .
A O U - T M U T
7 3
O S D R P / 5 0 .
R E S E T 7 - 2
7 2
R E S E T
7 1
P W M 1 D
7 0
P W M 2 D
6 9
T E S T N I
6 8
P O W E R _ O N _ R S T n
6 7
S C L
6 6
S D A
6 5
N I T
M M S S T T 7 7 1 1 8 8 A A
7 7 5 5 3 3
R R 6 6 8 8
4 4 7 . 7 . K K
8 8 6 6 4 4
K E Y 0 F I A - F T
K E Y 1
H D V - S W 0
A S - W 1
A S - W 0
A M - P M U T E
P O W E - R O N O / F F 1
S P _ I C K
S C L
S P _ I I D
S D A
S P _ I D O
O N P - A N E L
S P _ I C Z
D E
F
R R P P 0 0 X X 4 4 D R A 7
D R A 7
D R A 6 V C C P - a n l e N N C C 2 ( 2 ( 2 * 2 *
D R A 6
D R A 5 D D P I P I
D R A 5
D R A 4
D R A 4
R R P P 0 0 X X 4 4 D R A 3
3 9
D R A 3
D R A 2
3 7
D R A 2
D R A 1
3 5
D R A 1
D R A 0
3 3
D R A 0
3 1
D R A 7
2 9
D R A 5
2 7
D R A 3
2 5
D R A 1
2 3
2 1
D G A 7
1 9
D G A 5
1 7
D G A 3
1 5
D G A 1
1 3
D B A 7
1 1
D B A 5
9
D B A 3
7
D B A 1
5
V s n y o c
D C L K
3
D C L K
1
R R P P 3 3 R R P P 0 0 X X 4 4 D G A 7
D G A 7
D G A 6 A G N D
D G A 6
D G A 5
D G A 5
D G A 4
D G A 4
0 M R R P P 1 1 0 0 R R P P 0 0 X X 4 4 D G A 3
D G A 3
0 P D G A 2
D G A 2
1 M D G A 1
D G A 1 D B A 0
1 P D G A 0
D G A 0
D B A 1
R R P P 8 8 R R P P 0 0 X X 4 4 D B A 7
D B A 7
D B A 2
D B A 6
D B A 6
D B A 3
2 M D B A 5
D B A 5
2 P D B A 4
D B A 4
D B A 4
C K M R R P P 9 9 R R P P 0 0 X X 4 4 D B A 3
D B A 3 D B A 5
C K P D B A 2
D B A 2
D B A 6
3 M D B A 1
D B A 1
D B A 7
3 P D B A 0
D B A 0
V G A V - S T D G A 0
D G A 1
D G A 2
R R P P 2 2 0 0 R R P P 3 3 3 3 X X 4 4 H s n y o c
H s n y o c
D G A 3
V s n y o c
V s n y o c
D E O
D E O
D G A 4
D D C C L L K K
D C L K D G A 5
D G A 6
C C 1 1 9 9 1 1 C C 1 1 0 0 3 3 R R 6 6 2 2 0 0 D C L K 1
S Y S R - E S E T D C L K 1 D G A 7
O N P - B A C K
E N N C C N N C C
A O U - T M U T E D R A 0
D R A 1
A D J P - W M 0
A D J P - W M 0 D R A 2
A M P a - j d
A M P a - j d
D R A 3
R R 8 8 0 0 4 4 7 . 7 . K K N ( N ( ) C ) C
D R A 4
S C L _ T X
D R A 5
S D A _ R X
D R A 6
R I _ S Y N C
R I _ S Y N C D R A 7
R E S E T 6 - 8 D C L K 1
R E S E T 7 - 2 D C L K 1
D E O
V s n y o c
H s n y o c
V D P 3 - 3 . V
V C C P - a n l e
1 1 7 7 5 5 3 3 1 1
5 V s b t
2 2 8 8 6 6 4 4 2 2
A G N D
R R 2 2 6 6 D D 7 7 5 5
H D V - S W 0
2 2 2 2 k 0 k 0
B B A A V V 9 9 9 9
A S - W 1
A S - W 0
R R 6 6 5 5
A M - P M U T E
4 4 7 . 7 . K K
P O W E - R O N O / F F 1
S C L
+ + C C A A 1 1 0 0 3 3
S D A
N N C C
1
O N P - A N E L
C C A A 1 1 0 0 4 4 + +
3 3 9 9 0 0 6 6
1 1 0 0 u u F F 1 / 1 / 6 6 V V
Q Q 2 2 7 7
F
G H
C C O O N N 6 6
0 0 P P _ _ 2 2 0 . 0 . m m m m _ _ H H E E A A D D E E ) R ) R
2 2 0 0 X X 2 2 7 - 7 - 9 9 V - V -
4 0
3 9 4 0
3 8
3 7 3 8
3 6
3 5 3 6
3 4
3 3 3 4
3 2
3 1 3 2
D R A 6
3 0
2 9 3 0
D R A 4
2 8
2 7 2 8
D R A 2
2 6
2 5 2 6
D R A 0
2 4
2 3 2 4
2 2
2 1 2 2
D G A 6
2 0
1 9 2 0
D G A 4
1 8
1 7 1 8
D G A 2
1 6
1 5 1 6
D G A 0
1 4
1 3 1 4
D B A 6
1 2
1 1 1 2
D B A 4
1 0
9 1 0
D B A 2
8
7 8
D B A 0
6
H s n y o c
5 6
4
3 4
D E O
2
1 2
F F P P C C 4 4 5 5 P P 2 - 2 - 0 0 B - B -
A G N D C C O O N N 3 3 3 3
C C O O N N 3 3 2 2
4 7
1 G N D
4 6
2 G N D
4 5
3 G N D
D C L K 1
4 4
D C L K 1
4 D C L K
4 3
5 G N D
4 2
D E O
6 D E N A
4 1
7 G N D
4 0
V s n y o c
8 V S Y N C
3 9
9 G N D
3 8
H s n y o c
1 0 H S Y N C
3 7
1 1 G N D
3 6
1 2 N C
3 5
1 3 G N D
3 4
D R A 7
1 4 B O 7
3 3
D R A 6
1 5 B O 6
3 2
D R A 5
1 6 B O 5
3 1
D R A 4
1 7 B O 4
3 0
1 8 G N D
2 9
D R A 3
1 9 B O 3
2 8
D R A 2
2 0 B O 2
2 7
D R A 1
2 1 B O 1
2 6
2 2 D R A 0 B O 0
2 5
2 3 G N D
2 4
2 4 D G A 7 G O 7
2 3
D G A 6
2 5 G O 6
2 2
D G A 5
2 6 G O 5
2 1
D G A 4
2 7 G O 4
2 0
2 8 G N D
1 9
D G A 3
2 9 G O 3
1 8
3 0 D G A 2 G O 2
1 7
D G A 1
3 1 G O 1
1 6
3 2 D G A 0 G O 0
1 5
3 3 G N D
1 4
3 4 D B A 7 R O 7
1 3
D B A 6
3 5 R O 6
1 2
3 6 D B A 5 R O 5
1 1
D B A 4
3 7 R O 4
1 0
3 8 G N D
9
D B A 3
3 9 R O 3
8
4 0 D B A 2 R O 2
7
D B A 1
4 1 R O 1
6
4 2 D B A 0 R O 0
5
4 3 + 5 V
4
V C C P - a n l e
4 4 + 5 V
3
4 5 T E S T 3
2
4 6 T E S T 2
1
4 7 T E S T 1
A G N D
4 8
N N C C C ( C ( P P T T _ _ C C L L A A A A 2 2 0 0 1 1 V V A A 0 0 ) 2 ) 2
4 9
5 0
5 1
5 2
5 5 0 0 P P N I N I
R R 6 6 1 1 N N C C R E S E T 6 - 8
G H
H-2
8
7
6
5
4
3
2
1