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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
1.TROUBLE SHOOTING
Check bias block soldering
Yes
No
Set the Phone Rx is ON
Check BIAS over
2.1 V ?
Change the board
Check TP1
Signal exist ?
Check RF Switch (M/S)
Check TP2
Signal exist ?
Check ASM Block
Refer 1.4
Check TP3
Signal exist ?
Check Duplexer
Yes
Yes
No
No
No
Check TP4
Signal exist ?
Check RTR6285 and
Rx SAW filter
Yes
Yes
No