LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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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, 3
Signal exist ?
Check ASM Block
Refer 1.4
Check TP4, 5
Signal exist ?
Check Duplexer
Yes
Yes
No
No
No
Check TP6
Signal exist ?
Check RTR6285
Yes
Yes
No
Check TP7
Signal exist ?
Check Rx SAW
Yes
No