LG GD580 Service Manual page 117

4. Trouble Shooting
4.11.3 Bluetooth RF path
Check Power level
at BT IC Output (C215)
with Spectrum Analyzer
F L 2
D E A
5
B P 1
4
B P 2
LGE Internal Use Only
start
TP1: Range
0 ~ 4dBm ?
Replace ANT201
TP1
TP1
0 1
2 1 2 4 5 0 B T 7 - 0 4 3 C 1
1
U _ B P
2
B P _ D C
V S S _ B T _ R F
No
Replace BT Chip (U201)
Yes
TP1
C 2 1 5
C 2 1 4
1 2 . p
D I N
V S S _ B T _ R F V S S _ B
- 118 - Copyright © 2009 LG Electronics. Inc. All right reserved.
A N T 2 0 1
F E E D D U M M
A C S 2 4 5 0 H F L 5 7
T _ R F
Only for training and service purposes
Y