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.
8-38
Check L126 > 30 dBm ?
8-3-18. GSM850/GSM900 TX
Check the Voltage
C133,C134,C131,TA100 =
VBAT ?
Check the Power
F101 Pin29
> 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 L130
≥
30dBm ?
resolder or change
L130, C147, C148, C136, PAM101
GSM850/900 Transmitter is O.K?
resolder or change
U204
END
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
GSM850 CH : 190
GSM900 CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
NORMAL CONDITION
NO
Summary of Contents for GT-I8350
Page 74: ......