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SGH-Z130 Flow Chart of Troubleshooting and Circuit Diagrams
2-
20
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2-2-3. DCS Receiver
Continuous RX ON
RF Input : 698 CH
AMP : -50dBm
NORMAL CONDITION
Catch the channel ?
YES
NO
CON800 Check
Pin #3
≥
-55dBm ?
U801 Check
Pin #11
≥
-55dBm ?
U601 Check
Pin#32,33
≥
-55dBm ?
Check antenna contack
CON800
Resolder or Change
U801 Resolder or Change
THE END
NO
NO
YES
YES
YES
Check the path of F802
and U601
F802 Check
Pin #3,4
≥
-55dBm ?
F802 Resolder or
change
NO
YES
NO