Level 3 Repair
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8-82
Check C102 : About
30dBm ?
8-3-37. LTE BAND2 / WCDMA BAND2 TX
CONTINUOUS TX ON CONDITION
TX POWER IDX1 APPLIED
WB2 CH : 9800
LTE B2 CH : 900
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, U209
Check C138 : About
30dBm ?
Resolder or change
C138, 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