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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-23
This Document can not be used without Samsung's authorization
Check C118
≤
-65dBm ?
8-3-13. GSM850 RX
CONTINUOUS RX ON
RF INPUT : 190CH
AMP : -50dBm
NORMAL CONDITION
catch the channel?
U302
{C314 = 2.2V ?}
& {C319 = 1.3V ?}
& {C360 = 2.3V ?}
& {C321 = 1.4V ?}
Check the Voltage at
C120 = 2.85V ?
Check component
soldering status OK at
C125, L104, L105 ?
CHECK soldered
CN100, C118, L102
U302, C341, C120
resolder or change
C125, L104, L105
resolder or change
U302
resolder or change
Check the freq. at C300
:19.2MHz ?
U300
change or resolder
Check both pad of C125
≥
-65dBm ?
F100
resolder or change
GSM850 Receiver is O.K?
U302
resolder or change
END
NO
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
Содержание Wave GT-S8500
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