Level 3 Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-50
Check C111
≤
-65dBm ?
8-3-19. GSM1800 RX
NORMAL CONDITION
catch the channel?
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?}
Check the Voltage at
C109 = V_BAT ?
Check component
soldering status OK at
F100
CHECK soldered
RFS100, C111,L105
Resolder or change
U101, C109
Resolder or change
F100
Resolder or change
U104
Check the freq. at C132
: 26MHz ?
Change or resolder
OSC100
Check C110,L107
≥
-65dBm ?
Resolder or change
C110,L107
GSM1800 Receiver is O.K?
Resolder or change
UCP300
END
NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
Check F100 PIN 18, 19
≥
-65dBm
Resolder or change
F100
NO
YES
Summary of Contents for Galaxy GT-P6800
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