LG GD580 Service Manual page 129

4. Trouble Shooting
Check 3. 26MHz at BB part
Test Point (Crystal Part)
Figure 4-15-1. Test point (26MHz at BB part)
LGE Internal Use Only
TP1
Figure 4-15-2. Schematic (26MHz at BB Part)
TP1
U 1 0 7 S N 7
1
B T _ C L K R E Q _ N
_ O E
2
M C L K
A
3
G N D
R 1 1 5
B T _ C L K
3 3
Figure 4-15-3. 26MHz at TP1
- 130 -
MCLK
MCLK
M C L K
S Y S C L K 1
T P 3 0
T P
V D D E _ 1 V 8
4 L V C 1 G 1 2 5 D R L R
5
V C C
4
Y
C 1 2 1 C 1 2 0
0 1 . u 4 7 . u
0 6 0 3
TP1
0 6 0 3
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Only for training and service purposes
DB3150
DB3150
W 1 4
M C L K
Y 1 6
S Y S C L K 0
Y 1 5
S Y S C L K 1
W 1 6
8
S Y S C L K 2
T P 3 0 5
P 1 1
P W R R S T _ N
V 1 8
T P