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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
3-25
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3-2.RF
3-2-1. EGSM Receiver
Continuous RX ON
RF Input : 62 CH
AMP : -50dBm
NO
U802 Check
Pin #3,4
≥
-55dBm ?
Check intenna soldering
D800 Resolder or Change
NO
NO
Check the path of F800
and U600
NO
NORMAL CONDITION
Catch the channel ?
YES
D800 Check
Pin #12,13
≥
-55dBm ?
U600 Check
Pin#37,38
≥
-55dBm ?
U802
Resolder or Change
THE END
YES
YES
YES