Dcs Transmitter - Samsung SGH-T329 Service Manual

9-15. DCS Transmitter

TX ON (5Level)
Yes
F100 Pin13
>= 20dBm
Yes
F100 pin8
>= 18dBm
Yes
PAM100 pin15
>= 18dBm
Yes
PAM100 pin3
<= -11dBm
Yes
U101 pin16
<= 15dBm
-15dB
Yes
U101 pin 4,5,6,7
>= 1V
Yes
Check UCP201
END
No
Resolder RFS100,C101,L102
No
No
Resolder or Change PAM100
No
No
Resolder R113,C121
No
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Check F100
pin9 = H (2.6V),
pin11 = L
Yes
No
Check F101, OK?
Yes
No
U101 pin 12,13,28,
29 >=2.8V
Yes
9-23
Flow Chart of Troubleshooting
No
Check ANT Switch
control circuit
Change or Resolder
C115,C116,C131
Resolder or Change F101
Check +VBAT or PAM
control signal
Check & Resolder RFOH
signal, RF13MHz,
RF PSU Part
Resolder U101