![background image](http://html.mh-extra.com/html/samsung/gt-c6712/gt-c6712_service-manual_1192285050.webp)
SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-27
This Document can not be used without Samsung's authorization
Check the Voltage
C103 < 3.3V?
8-13. GSM850/900 Tx
TX Power is too Low!!
TX ON (5Level)
CLOCK
CHECK?
26MHz @ OSC200
NO
Re-solder
OSC200
YES
PAM100 pin28
≥
-4
dBm
(R110 using spectrum
analyzer)
NO
Re-solder or change
UCP200
YES
NO
Check the UCP200 & VBAT
circuit.
YES
NO
Resolder PAM100
PAM100 Pin11
≥
30dBm
(R106 using spectrum
analyzer)
YES
Resolder RFS100.
Check the RFS100
connection with PCB?
YES
Antenna
re-solder or change
NO