SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-29
This Document can not be used without Samsung's authorization
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 C101
≥
-65dBm ?
NO
Check L111
≥
-70dBm ?
Resolder RFS100
Replace PAM100
NO
YES
YES
U200 Check
Pin#11, 12, 13,14
≥
500mV ?
Resolder U200 or check pins
related to U200
NO
YES
THE END
YES
Check U200