Table of Contents
Advertisement
Flow Chart of Troubleshooting
9-2-6. PCS1900 Transmitter
**If you check the tx chain,
Check not only RF Devices but also resistors, inductors and capacitors.
Tx ON
(Level : 0)
battery voltage : 3.8V
Check C123
≤ 2.5V ? ?
YES
Check R102
≥ 2dBm ?
YES
Check C101
≥ 25dBm ?
YES
RFS100 Check
Pin#2 ≥ 30dBm?
YES
Check UCP300
YES
The End
NO
NO
NO
NO
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Check UCP300
Resolder U200
Resolder or Change PAM100
Resolder or Change RFS100
9-32
- Quick Links:
- Block Diagrams
Hide quick links:
Advertisement
Table of Contents
