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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
10-29
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10-2-2. DCS RX
Continuous RX ON
RF Input : 62 CH
AMP : -50dBm
NORMAL CONDITION
Catch the channel ?
YES
NO
F100 Check
Pin #6
≥
-65dBm ?
F100 Check
Pin #10, 11
≥
-65dBm ?
UCD100 Check
Pin#8, 9
≥
-65dBm ?
Check soldered status of
R700, C703, C701, L703
RFS701, C700
Resolder or Change
F100 Resolder or Change
UCD100 Check
Pin #34 =Clean 2.8V?
UCD100 Check
Pin#35,36,37,38=100mV?
C706, U102
Check or resolder
NO
NO
YES
YES
YES
NO
YES
UCD100 Check
Pin #21 : 13MHz ?
Vpp : 1.1V?
UCD100
Change or resolder
NO
NO
YES
Check soldered status of
L706, L707, C714
YES
NO
UCD100 Check
Pin #27 =1.8V ?
YES
CHECK U102
NO
Check U102
OSC700 Check
Pn#1 : Freq =13MHz,
Vpp=1.2V?
NO
UCD100
Check & resolder
OSC700
Check & resolder
YES