Samsung GT-P7320 Service Manual page 101

8-3-22. WCDMA BAND1 TX
Check C110 :
about 30dBm ?
Check the Voltage at
C118 VREG_FEMID_2.85V
Check L238 :
about 30dBm
Check the Voltage at
C222,C239 Vout_Charger
Check the Voltage at
C231=VPAM
Check L237 : 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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Yes
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YES
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YES
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CHECK soldered
C110,L107,F102
Resolder or change
C118
Resolder or change
L238,C297,PAM200
Resolder or change
C222,C239,C221,C240
Resolder or change
C231,C143,C144
Resolder or change
L237,L236,C296,F200
Resolder or change
L201,C829,L800,
Change or resolder
C284, R202
Resolder or change
U202
8-65
Level 3 Repair
CONTINOUS TX ON CONDITION
TX POWER DAC:120 CODE APPLIED
CH : 9750
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB