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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
9-
21
This Document can not be used without Samsung's authorization
9-2.RF
9-2-1. EGSM Receiver
Continuous RX ON
RF Input : 62 CH
AMP : -50dBm
NORMAL CONDITION
Catch the channel ?
YES
NO
CN800 Check
Pin #2,3
≥
-55dBm ?
D800 Check
Pin #12,13
≥
-55dBm ?
U600 Check
Pin#37,38
≥
-55dBm ?
Check intenna
soldering
CN800
Resolder or Change
D800 Resolder or
Change
THE END
NO
NO
YES
YES
YES
Check the path of
F800
and U600
NO