Samsung GT-P7320 Service Manual page 116

Gsm telephone
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Level 3 Repair
8-3-26. LTE BAND20 TX
Check C110 :
about 30dBm ?
Check the Voltage at
C118 VREG_FEMID_2.85V
Check C263:
about 22 dBm
Check the Voltage at
C269 Vout_Charger
Check the Voltage at
C265,C270=VPAM
Check C283 : 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 BAND20 Transmitter is O.K?
END
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
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Yes
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YES
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YES
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NO
CHECK soldered
C110,L107,F102
Resolder or change
C118
Resolder or change
L224,L225,C263,PAM203
Resolder or change
C269
Resolder or change
C265,C270
Resolder or change
L229,C275,C283
Resolder or change
L201,C829,L800,
Change or resolder
C284, R202
Resolder or change
U202
8-80
CONTINOUS TX ON CONDITION
TX POWER DAC:120 CODE APPLIED
CH : 24300
RBW : 100KHz
VBW : 100KHz
SPAN : 40MHz
REF LEV. : 10dBm
ATT. : 20dB

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