Level 3 Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-40
Check L126 > 30 dBm ?
8-3-19. DCS/PCS TX
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
GSM850 CH : 190
GSM900 CH : 6
98
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
GSM850/900 Transmitter is O.K?
resolder or change
U204
END
NO
YES
Check the Voltage
C133,C134,C131,TA100 =
VBAT ?
Check the Power
F101 Pin28
> 30dBm ?
CHECK soldered
RFS100,L126,L122,C105,C110
resolder or change
F101
resolder or change
C133,C134,C131,TA100
Check the freq. at
OSC500 : 19.2MHz ?
change or resolder
OSC500
Check C138
≥
30dBm ?
resolder or change
C140, L124,C137,L120,
C138,C139,PAM101
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NORMAL CONDITION
NO
Summary of Contents for GT-I8350
Page 74: ......