SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-28
9-17. DCS Transmitter
Resolder U102
Check U102
pin23, 26, 31
>=2.7V
No
Check UCP200
END
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Check & Resolder RFLO
signal, RF26MHz,
RF PSU Part
Check +VBAT or PAM
control signal
Resolder or Change PAM100
Check PAM100
pin 3,4,5,6,7 OK?
Yes
U102 pin 6,7,8,9
>= 1V
Resolder C107,L101,
C108,L104,C109
Resolder C125,L110,C140
Change or Resolder F101
Check ANT Switch
control circuit
PAM100 pin1
<= -11dBm
U102
pin2
<= -15dBm
PAM100 pin14
>= 18dBm
F101 pin14
>= 18dBm
Check F101
pin15,16 = H(2.68V)
pin11,13 = L
TX ON (5Level)
Resolder RFS100,C101,L141
F101 Pin10
>= 20dBm