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Flow Chart of Troubleshooting
3-18
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3-7.RF
3-7-1. EGSM Receiver
Continuous RX ON
RF Input : 62 CH
AMP : -50dBm
NORMAL CONDITION
Catch the channel ?
YES
NO
U701 Check
Pin #12
≥
-55dBm ?
U701 Check
Pin #13
≥
-55dBm ?
U700 Check
Pin#37,38
≥
-55dBm ?
Check antenna contact
U701 Resolder or Change
U701 Resolder or Change
THE END
NO
NO
YES
YES
YES
Check the path of U701 and
U700
NO