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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
9-26
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9-2-5. PCS Receiver
DUF800 Check
Pin #17
≥
-55dBm?
NO
Check the path of DUF800
& U601
YES
YES
YES
NO
NO
THE END
DUF800 Resolder or Change
DUF800 Resolder or Change
Check antenna contact
U601 Check
Pin#24,25
≥
-55dBm?
DUF800 Check
Pin #16
≥
-55dBm?
NO
YES
NORMAL CONDITION
Catch the channel?
Continuous RX ON
RF Input : 698 CH
AMP : -50dBm