Samsung GT-P7320 Service Manual page 104

Level 3 Repair
8-3-23. WCDMA BAND8 TX
Check C110 :
about 30dBm ?
Check the Voltage at
C118 VREG_FEMID_2.85V
Check L235 :
about 30dBm
Check the Voltage at
C222,C239 Vout_Charger
Check the Voltage at
C231=VPAM
Check L241 : 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 ?
WCDMA BAND1 Transmitter is O.K?
END
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CHECK soldered
C110,L107,F102
Resolder or change
C118
Resolder or change
L235,C295,PAM200
Resolder or change
C222,C239,C221,C240
Resolder or change
C231,C143,C144
Resolder or change
L241,L208
Resolder or change
L201,C829,L800,
Change or resolder
C284, R202
Resolder or change
U202
8-68
CONTINOUS TX ON CONDITION
TX POWER DAC:120 CODE APPLIED
CH : 2788
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB