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Flow Chart of Troubleshooting
9-32
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9-2-5. PCS1900 Receiver
**If you check the rx chain,
Check not only RF Devices but also resistors, inductors and capacitors.
Continuous RX ON
RF Input : 698 CH
AMP : -50dBm
Check C136
≥
-65dBm ?
NO
Check L116
≥
-70dBm ?
Resolder RFS100
Replace F100
NO
YES
YES
U201 Check
Pin#11, 12, 13,14
≥
500mV ?
Resolder U201 or check pins
related to U201
NO
YES
THE END
YES
Check U201