LG GD580 Service Manual page 116

4.11.2 Bluetooth Clock path
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
start
1. Check BT_CLK
(Buffered MCLK)
TP1: 26MHz
OK
NG
2. Check
MCLKSEC
TP2: 26MHz
OK
NG
Check RF3000
(U102)
1
Main PCB TOP
TP2
B T _ C L K R E Q _ N
M C L K
B T _ C L K
TP1
1
Go to 4.11.3
Replace
U107
TP1
TP2
V D D E _ 1
U 1 0 7 S N 7 4 L V C 1 G 1 2 5 D R L R
5
1
_ O E V C C
2
A
4
3
G N D Y
C 1 2 1 C 1 2 0
0 1 . u 4 7 . u
0 6 0 3
R 1 1 5
3 3
0 6 0 3
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4. Trouble Shooting
V 8
LGE Internal Use Only