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LGE Internal Use Only
3. TROUBLE SHOOTING
3.4.2.3
Checking RF signal path(SW
)
3.4 GSM RF PART
Circuit Diagram
Image
Checking Flow
TP1
TP1(CON1500)
Check TP1
NO
Re-solder or change
YES
The test bench is OK
START
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2017 LG Electronics. Inc. All right rese
rved. Only training and service purposes
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