LG GB175 Service Manual page 76

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4.15.3 Checking TRX
Check TP37 has 26MHz
Check TP38 = 2.8V?
Start
Setp1
sine wave?
YES
Setp2
YES
Change U700
NO
Re-solder R705, C709
NO
Re-solder X700 or
Change X700
NO
Re-solder B701
-76-
YES
Re-start
NO
Change PCB

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