![background image](http://html.mh-extra.com/html/samsung/galaxy-s-plus-gt-i9001/galaxy-s-plus-gt-i9001_service-manual_340007093.webp)
SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-64
This Document can not be used without Samsung's authorization
Check L103 about
22 dBm ?
8-3-23. WCDMA BAND8 TX
WCDMA 900 Transmitter is O.K?
resolder or change
U300
END
NO
YES
NORMAL CONDITION
CHECK soldered
RFS100, L103,L104,C112,C113
NO
NO
Check the Voltage
C142,C143 = VBAT?
resolder or change
F100
Check L124 about
22dBm?
NO
NO
YES
resolder or change
F102,PAM102
YES
Check the Power
F100 Pin 7 about 22dBm?
NO
resolder or change
U501
YES
Check the freq. at
OSC500 : 19.2MHz ?
change or resolder
OSC500
NO
Check C146 about
8dBm?
resolder or change
U300
NO
YES
YES