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.
8-29
F100 PIN 4 :
About 30dBm ?
8-3-15. DCS/PCS TX
CONTINUOUS TX ON CONDITION
TX POWER IDX1 APPLIED
DCS CH : 685
PCS CH : 661
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Check the Voltage at
C166 = VBATT ?
Check F100 PIN 6
About 30dBm
CHECK soldered
-
RFS100, L111, C136
Resolder or change
C166, L119
Resolder or change
F100
Check component
soldering status OK at
F101
NO
YES
NO
YES
NO
YES
NO
YES
Check F101 PIN 10
About 30dBm ?
Resolder or change
C154, L118
NO
YES
Resolder or change
U103
Check the freq. at
OSC100 PIN 4 : 26MHz ?
Change or resolder
OSC100
DCS/PCS Transmitter is O.K?
Resolder or change
U300
END
NO
NO
YES
NO
Resolder or change
U102
Check U102 PIN 9
About 30dBm ?
Resolder or change
F101
NO
YES
Check U102 PIN 24
About 10dBm?
NO
Resolder or change
F101
YES
Check component
soldering status ok at
U103
YES
