Samsung GT-I8350 Service Manual page 66

Level 3 Repair
8-3-18. GSM850/GSM900 TX
NORMAL CONDITION
Check L126 > 30 dBm ?
Check the Power
F101 Pin29
> 30dBm ?
Check L130 ≥
Check the Voltage
C133,C134,C131,TA100 =
Check the freq. at
OSC500 : 19.2MHz ?
GSM850/900 Transmitter is O.K?
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NO
NO
YES
30dBm ?
YES
VBAT ?
YES
YES
YES
END
YES
CHECK soldered
RFS100,L126,L122,C105,C110
NO
resolder or change
F101
NO
resolder or change
L130, C147, C148, C136, PAM101
NO
resolder or change
C133,C134,C131,TA100
NO
change or resolder
OSC500
NO
resolder or change
U204
8-38
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