Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Check Vbias over 2V?
Check TP2
Signal exist?
Check TP3
Signal exist?
Check TP4
Signal exist?
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4. TROUBLE SHOOTING
Check the RF S/W
Check FEM
Check the Duplexer
FL104
FL503
Check the RTR6275
LGE Internal Use Only