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LG LG-X230DS - Page 36

LG LG-X230DS
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LGE Internal Use Only
3. TROUBLE SHOOTING
Refer to 4.5.1.1
3.5.2.2 Checking RF signal path(SW)
3.5 WCDMA RF PART
Circuit Diagram
ImageChecking Flow
Refer to 3.5.1.1
Refer to 3.5.1.1
Check TP1
Re-solder or Change
Check TP2
YES
YES
NO
NO
Check TP3
Re-solder or Change
YES
START
RF signal path is OK
Re-solder or Change
NO
Copyright 2017 LG Electronics. Inc. All right rese
rved. Only training and service purposes
36

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