LG D690 Service Manual page 56

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3. TROUBLE SHOOTING
Set the Phone Rx is ON
Check TP1 Signal exist ?
Check RF Switch (M/S)
Check TP2,3 Signal exist ?
Check Tx Module
Check TP4,5 Signal exist ?
Check GSM RX SAW
Check MT6166
LGE Internal Use Only
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Only for training and service purposes

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