U1506
LGE Internal Use Only
3. TROUBLE SHOOTING
3.4.2.2
Checking GSM PAM DC Power Circuit
3.4 GSM RF PART
Circuit Diagram
Checking Flow
Image
TP1
Main
Bot
TP1(3.8V)
Check TP1
NO
Re-solder or change
YES
The GSM PA Voltageis OK
START
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2017 LG Electronics. Inc. All right rese
rved. Only training and service purposes
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