Samsung Galaxy Tab GT-P1000, Руководство по обслуживанию

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Level 3 Repair
8-36
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PAM100 PIN1 : About
30dBm ?
8-3-17. GSM850/GSM900 TX
Check the voltage at
{R100 = VOUT_CHARGER ?}
& {C110, C343 = 2.85V ?}
& {C111,C112,C337 = 1.8V?}
& {C102,C342 = 2.85V ?}
Check the Voltage at
C136,C135,C137 =
VOUT_CHARGER?
Check PAM100 pin 25
about 4dBm
CHECK soldered
RFS100,L105,C117,C119,
C187,C120,L116,C165,ANT101
Resolder or change
PAM100, C136, C135, C137
Resolder or change
U101
Change U302
Check the freq. at C128
: 26MHz ?
Change or resolder
OSC100
Check C132 about 2 V
ok?
Resolder or change
U101
GSM850/900 Transmitter is O.K?
Change U302
END
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
CONTINOUS TX ON CONDITION
TX POWER DAC:14500 CODE
APPLIED
GSM850 CH : 190
GSM900 CH : 62
RBW : 100KHz
VBW : 100KHz
SPAN : 10MHz
REF LEV. : 10dBm
ATT. : 20dB