LG D690 - Page 54

3. TROUBLE SHOOTING
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Only for training and service purposes
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Start
Check TP1
If GSM 900, 850 over 31dBm?
If DCS Over 28dBm?
Check TP2.3
If GSM 900, 850(TP2) over 31dBm?
If DCS PCS(TP3) Over 28dBm?
GSM/DCS/PCSTx is OK
Check the other part
Check Tx Module
Check MT6166
Checking TCXO Block
Refer to 3.3