![Samsung Galaxy Tab GT-P5100 Service Manual Download Page 74](http://html.mh-extra.com/html/samsung/galaxy-tab-gt-p5100/galaxy-tab-gt-p5100_service-manual_347561074.webp)
Level 3 Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-55
U101 PIN14 : About 22
dBm ?
8-3-21. WCDMA BAND1 TX
Check the Voltage at
C103 = VOUT_CHARGER?
Resolder or change
U101, C103
Check L106, L126 :
About 22dBm ?
Resolder or change
L106, L126
YES
NO
NO
YES
YES
CHECK soldered
C121, L108, RFS100
NO
Check component
soldering status OK at
F100
Resolder or change
F100
NO
YES
Check L111, C129:
About 22dBm ?
Resolder or change
L111, C129
YES
NO
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
WCDMA Band1 CH : 10700
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Check the Voltage at
C131 = OUT_CHARGER?
Resolder or change
U103, C131
NO
YES
Check C144:
About 0dBm ?
Resolder or change
C144
YES
YES
Check the voltage at
{C150 = VBAT_RF ?}
& {C149 = 2.85V ?}
& {C145 = 2.65V ?}
& {C151 = 1.8V?}
& {C152 = 1.2V?}
Resolder or change
U104
Check the freq. at C139
: 26MHz ?
Change or resolder
OSC100
WCDMA BAND1
Transmitter is O.K?
Resolder or change
UCP300
END
NO
YES
NO
YES
NO
Summary of Contents for Galaxy Tab GT-P5100
Page 93: ...www s manuals com ...