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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-43
This Document can not be used without Samsung's authorization
Check PAM101 PIN1 :
About 22 dBm ?
8-3-21. WCDMA BAND2 TX
Check the voltage at
{R100 = V_BAT ?}
& {C110, C264 = 2.85V ?}
& {C111,C112,C233 = 1.8V?}
& {C109,C263 = 2.85V ?}
& {C112 = 1.8GV ?}
Check the Voltage at
C186 = V_BAT?
Check PAM103 pin 7
about 22dBm ?
CHECK soldered
RFS100, L103,C115,L118,
C183, ANT102
resolder or change
PAM101, C186
resolder or change
PAM103
resolder or change
UCP200
Check the freq. at C128
: 26MHz ?
change or resolder
OSC100
Check C143, L111 :
About 22dBm ?
resolder or change
C143, L111
WCDMA 1900 Transmitter is O.K?
resolder or change
UCP200
END
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
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
Check C135
about 3.4 V ?
resolder or change
U102
NO
YES
Check C146
about 8dBm ?
resolder or change
U101
NO
YES
Содержание GT-i9000B
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Страница 130: ...SAMSUNG Electronics Co Ltd WCDM A Band8 GSM 900 RX ...
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Страница 135: ...SAMSUNG Electronics Co Ltd WCDM A Band3 TX ...
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