Dcs Transmitter - Samsung SGH-F480i Service Manual

9-12. DCS Transmitter

TX ON (5Level)
Yes
FEM100 pin2
≥ 25dBm
No
FEM100 pin9
≥ 25dBm
No
PAM100 pin12
≥ 25dBm
No
PAM100 pin1
≥ -4dBm
No
Check UCP300
END
Yes
Resolder RFS101,C103,L102
Yes
Yes
Resolder or Change L109,C106,C107
Yes
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
VDD = H (2.8V),
CTRL1 = H
CTRL2,3,4 = L
Yes
Yes
Check PAM100
pin2,3,4,6 is ok?
No
9-17
Flow Chart of Troubleshooting
No
Check ANT Switch
control circuit
Change or Resolder
FEM100
Resolder or Change PAM100
Check VBAT or PAM
control signal