SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-23
This Document can not be used without Samsung's authorization
9-15. DCS/PCS Transmitter
④
TX ON (5Level)
①
Yes
FEM101 Pin17≥
-65dBm
No
Resolder FEM101, L106, C104
Yes
Check ANT Switch
control circuit
FEM101 pin11
≥ -30dBm
Check FEM101
pin10 =H (2.6V)
pin16 = L
No
No
②
Change or Resolder
FEM101
Yes
③
PAM101 pin15
≥ -30dBm
Yes
No
Resolder or Change C109,
C110, C111
Yes
Check PAM101 pin
1,2,3,20, VBAT OK?
PAM101 pin3
≥ -4dBm
No
Resolder or Change
PAM101
No
Check VBAT or PAM
control signal
Check UCP201
Yes
END
Содержание GT-i6220
Страница 65: ...efrcom ...