SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-30
This Document can not be used without Samsung's authorization
8-14. GSM900 Transmitter
Yes
Change or Resolder PA100
Yes
PA100 Pin15
30dBm
TX ON (5Level)
Check PA100
pin 8, 10 = H
Pin 9 = L
PA100 pin4
-4
dBm
Check ANT Switch
control circuit
Yes
No
Yes
No
yes
Resolder L106, C104, L105,
C111
Yes
Yes
Check PA100
VBATT(pin11) OK?
Check UCP200
No
Check VBAT or PAM
control signal
No
UCP200 pinA15
-4dBm
Yes
Resolder or Change
C115, R104
No
Check & Resolder
PMU Part and UCP200
END