Samsung Galaxy S II GT-I9100, Service Manual

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Level 3 Repair
8-54
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Check U106 PIN11 :
About 22 dBm ?
8-3-20. WCDMA BAND2 TX
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
WCDMA Band2 CH : 9880
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB
Check the Voltage at
C102 = VOUT_CHARGER?
Resolder or change
U101, C102
Check L103, L106 :
About 22dBm ?
Resolder or change
L103, L106
YES
NO
NO
YES
YES
CHECK soldered
-
RFS100,L107,C107,L108,
C106,C104,C105,ANT100
NO
Check component
soldering status OK at
F100
Resolder or change
F100
NO
YES
Check C131, C127, L114 :
About 22dBm ?
Resolder or change
C131, C127, L114
YES
NO
Check the Voltage at
R741,C117=VOUT_CHARGER?
Resolder or change
PAM100, R741, C117
NO
YES
Check C124, L111
About 0dBm ?
Resolder or change
C124, L111
YES
YES
Check the voltage at
{C138 = VOUT_CHARGER ?}
& {C169, C170, C171
= VOUT_CHARGER?}
& {C137, C174 = 2.85V ?}
& {C134, C176 = 2.65V ?}
& {C136, C178 = 1.8V?}
& {C135, C175, C173 = 1.2V?}
Resolder or change
U104
Check the freq. at C123
: 26MHz ?
Change or resolder
OSC100
NO
YES
NO
YES