Level 3 Repair
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8-90
Check C104 : About
30dBm ?
8-3-41. LTE BAND 7 TX
CONTINUOUS TX ON CONDITION
TX POWER IDX1 APPLIED
LTE B7 CH : 3100
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Check C111 : About
30dBm ?
Check C131: About
0dBm ?
CHECK soldered
- C104,L148,CPL101
Resolder or change
U100
Resolder or change
C130,C131,U2010
Check L157 : About
30dBm ?
Resolder or change
L157, PAM100
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