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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-34
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Check C100
≤
-65dBm ?
8-3-17. GSM850 RX
CONTINUOUS RX ON
RF INPUT : 190CH
AMP : -50dBm
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES
NO
END
U300
resolder or change
GSM850 Receiver is O.K?
FEM100
resolder or change
Check both pad of C103
≥
-65dBm ?
OSC301
change or resolder
Check the freq. at C303
:19.2MHz ?
U300
resolder or change
C103, L103, L104
resolder or change
U300, C339, C102
resolder or change
CHECK soldered
RFS100, C100, L101
Check component
soldering status OK at
C103, L103, L104 ?
Check the Voltage at
C102 = 2.85V ?
U300
{C309 = 2.2V ?}
& {C316 = 1.3V ?}
& {C318 = 2.3V ?}
& {C320 = 1.4V ?}
NORMAL CONDITION
catch the channel?
Summary of Contents for GT-I5800
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