Samsung GT-P7320 Service Manual page 110

Level 3 Repair
8-3-25. LTE BAND3 TX
Check C110 :
about 30dBm ?
Check the Voltage at
C118 VREG_FEMID_2.85V
Check L230:
about 22 dBm
Check the Voltage at
C256 Vout_Charger
Check the Voltage at
C254,C257=VPAM
Check L246 : about 0dBm
Check the voltage at
{C218, C219 = 1.8V}
& {C210 = 1.2V}
& {TA200 = 1.3V}
& {C216,C217,C205 = 2.2V}
Check the freq. at C284,
R202: 19.2MHz ?
LTE BAND3 Transmitter is O.K?
END
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CHECK soldered
C110,L107,F102
Resolder or change
C118
Resolder or change
L230,L217,PAM201
Resolder or change
C256
Resolder or change
C254,C257
Resolder or change
L246,L286,C220,F201
Resolder or change
L201,C829,L800,
Change or resolder
C284, R202
Resolder or change
U202
8-74
CONTINOUS TX ON CONDITION
TX POWER DAC:120 CODE APPLIED
CH : 19575
RBW : 100KHz
VBW : 100KHz
SPAN : 40MHz
REF LEV. : 10dBm
ATT. : 20dB