Filter
Top Products
SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-31
This Document can not be used without Samsung's authorization
9-2-6. PCS1900 Transmitter
**If you check the tx chain,
Check not only RF Devices but also resistors, inductors and capacitors.
YES
YES
YES
Tx ON
(Level : 0)
battery voltage : 3.8V
YES
NO
NO
NO
NO
Check C105
≥
25dBm ?
RFS101 Check
Pin#2
≥
30dBm?
Check R101
≥
2dBm ?
Resolder or Change RFS101
Resolder U200
Check UCP300
Resolder or Change PAM100
Check C122
≤
2.5V ? ?
Check UCP300
YES
The End