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.
8-86
Check C102 : About
30dBm ?
8-3-39. LTE BAND 4 TX
CONTINUOUS TX ON CONDITION
TX POWER IDX1 APPLIED
LTEB3 CH : 2175
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Check L100 : About
30dBm ?
Check C137 : About
0dBm ?
CHECK soldered
- C102,L147,CPL100
Resolder or change
F100,U102
Resolder or change
C137, U2010
Check C152 : About
30dBm ?
Resolder or change
C152, PAM101
NO
YES
NO
YES
NO
YES
NO
Check the freq. at
OSC3000 PIN 3 :
19.2MHz ?
Change or resolder
OSC3000
GSM850/900 Transmitte
is O.K?
Resolder or change
U3002
END
NO
YES
NO
YES