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9-2-3. DCS1800 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 ?
YES
Check L108
≥ -55dBm ?
YES
U200 Check
Pin#11, 12, 13,14
≥ 500mV ?
YES
Check U200
YES
THE END
NO
NO
NO
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Resolder RFS100
Replace PAM100
Resolder U200 or check pins
related to U200
9-23
Flow Chart of Troubleshooting
- Quick Links:
- Block Diagrams
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