Samsung SGH-L310 Service Manual page 33

Flow Chart of Troubleshooting
L ( D ) 0
L ( D ) 1
L ( D ) 2
L ( D ) 3
L ( D ) 4
L ( D ) 5
L ( D ) 6
L ( D ) 7
L C D _ M A N I _ C S
R S
L _ W R
1 0 9
G N D G N D
L D ( ) 8 N I 4 O U T 4
4 8
L D ( ) 9 N I 3 O U T 3
3 7
L D 1 ( ) 0 N I 2 O U T 2
2 6
L D 1 ( ) 1 N I 1 O U T 1
1 5
F 6 0 6
1 0 9
G N D G N D
L D 1 ( ) 2
N I 4 O U T 4
4 8
L D 1 ( ) 3
N I 3 O U T 3
3 7
L D 1 ( ) 4
N I 2 O U T 2
2 6
L D 1 ( ) 5
N I 1 O U T 1
1 5
F 6 0 1
1 0 9
G N D G N D
N I 4 O U T 4
4 8
N I 3 O U T 3
3 7
N I 2 O U T 2
2 6
N I 1 O U T 1
1 5
F 6 0 2
1 0 9
G N D G N D
N I 4 O U T 4
4 8
N I 3 O U T 3
3 7
N I 2 O U T 2
2 6
N I 1 O U T 1
1 5
F 6 0 3
L C D _ B L _ E N
L C D _ R E S E T
V B A T
L E D _ C T R L
C 6 0 6 C 6 1
C 6 0 5
F604 F605
F602 F603
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H E A 6 0 0
2 2 1
1
4 4 3
3
6 6 5
5
8 7
8 7
1 0 9
1 0 9
1 2 1 1
1 2 1 1
1 4 1 3
1 4 1 3
1 6 1 5
1 6 1 5
1 8 1 7
1 8 1 7
2 0 1 9
2 0 1 9
2 2 2 1
2 2 2 1
2 4 2 3
2 4 2 3
2 6 2 5
2 6 2 5
2 8 2 7
2 8 2 7
3 0 2 9
3 0 2 9
3 2 3 1
3 2 3 1
3 4 3 3
3 4 3 3
3 6 3 5
3 6 3 5
3 8 3 7
3 8 3 7
4 0 3 9
4 0 3 9
4 2 4 1
4 2 4 1
4 4 4 3
4 4 4 3
4 6 4 5
4 6 4 5
4 8 4 7
4 8 4 7
5 0 4 9
5 0 4 9
5 2 5 1
5 2 5 1
5 4 5 3
5 4 5 3
5 6 5 5
5 6 5 5
5 7 5 8 5 9 6 0
C 6 1 4
5 7 5 8 5 9 6 0
5 C 6 0 7 C 6 0 8 C 6 0 9
F606
F601
C607
C608
C328
9-16
9 1 0
G N D G N D
( Y ) 0
O U T 4 N I 4 4
8
O U T 3 N I 3 ( Y ) 1
7 3
( Y ) 2
O U T 2 N I 2 2
6
( Y ) 3
O U T 1 N I 1
5 1
F 6 0 4
9 1 0
G N D G N D
O U T 4 N I 4 ( Y ) 4
8 4
O U T 3 N I 3 3 ( Y ) 5
7
O U T 2 N I 2 ( Y ) 6
6 2
( Y ) 7
O U T 1 N I 1 1
5
F 6 0 5
+ V D D I _ O _ I H G
V B I
H S Y N C
V S Y N C
S _ R S T
L C D _ D E T E C
P C L K
M _ C L K
V D D _ C A M _ E
M _ S C L
M _ S D A
S P K _ P
S P K _ N
M M S _ D S I P L
C 6 1 3 C 6 0 4
C 6 0 2 C 6 1 0 C 6 1 1 C 6 1 2 C 6 0 3
H _ 2 9 . V
T
N
A Y