Samsung Galaxy GT-P6800, Руководство по обслуживанию

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Level 3 Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-73
U101 PIN14 : About
22dBm ?
8-3-29. WCDMA BAND8 TX
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
WCDMA Band2 CH : 3013
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Check the Voltage at
C109 = V_BAT ?
Resolder or change
U101, C109
Check L103, L106
About 22dBm ?
Resolder or change
L103, L106
YES
NO
NO
YES
YES
CHECK soldered
-
RFS100, C111, L105
C104, C102, C105, C103,
ANT100
NO
Check component
soldering status OK at
F100
Resolder or change
F100
NO
YES
Check
L113, C145
About 22dBm ?
Resolder or change
L113, C145
YES
NO
Check the Voltage at
C158 = V_BAT ?
Resolder or change
U102, C158
NO
YES
Check C143
About 0dBm ?
Resolder or change
C143
YES
YES
Check the voltage at
{C152 = VBAT_RF ?}
& {C159,C161 = V_BAT?}
& {C151, C167 = 2.85V ?}
& {C147, C164 = 2.65V ?}
& {C150, C169 = 1.8V?}
& {C149, C165, C168) = 1.2V?}
Resolder or change
U104
NO
YES
Check the Voltage at
C125 = V_BAT ?
Resolder or change
U103, C125
NO
YES