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8-3-14. GSM900 Transmitter
TX ON (5Level)
Yes
PAM100 pin 15 ≥
30dBm
No
PAM100 pin4 ≥
-4 dBm
No
UCP200 pin A2
≥ -4dBm
No
Check & Resolder
R111,C126
And PMU Part and UCP200
Yes
END
yes
Resolder C114, C130, L109, L110
Yes
Yes
Yes
Resolder or Change
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
No
Check PAM100
pin 8 = H, pin 10 = L
Yes
Yes
Check PAM100
VBATT(pin11) OK?
No
R111,C126
8-27
Level 3 Repair
Check ANT Switch
control circuit
Change or Resolder PAM100
Check UCP200
Check VBAT or PAM
control signal
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