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SGH-Z320i Flow Chart of Troubleshooting and Circuit Diagrams
2-2-5. PCS Receiver
Continuous RX ON
RF Input : 698 CH
AMP : -50dBm
NORMAL CONDITION
Catch the channel?
YES
RFS800 Check
Pin #3 ≥ -55dBm?
YES
U800 Check
Pin #4 ≥ -55dBm?
YES
F802 Check
Pin #3,4 ≥ -55dBm?
YES
U600 Check
Pin#24,25 ≥ -55dBm?
YES
THE END
This Document can not be used without Samsung's authorization
NO
NO
NO
NO
NO
SAMSUNG Proprietary-Contents may change without notice
Check antenna contact
RFS800 Resolder or Change
U800 Resolder or Change
F802 Resolder or change
Check the path of F801
& U600
2- 24
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