Samsung GT-C5510 - Page 36

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Flow Chart of Troubleshooting
9-13
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U100
CHECK
pin
2
≥
-65
dBm
?
9-2-3.
DCS RX
DCS RX path component
resolder or change
END
YES
DCS Receiver is O.K?
CONTINUOUS RX ON
RF INPUT
: 698
CH
AMP
:-50
dBm
NORMAL CONDITION
catch the channel?
CHECK soldered
ANT contact, C114, C115
U100
CHECK
pin
16, 17
≥
-65
dBm
?
U100
pin16,
17
Vp-p
: 120
mV
?
U100,
RFS
100
resolder or change
U100
resolder or change
UCP300
resolder or change
NO
YES
NO
NO
NO
NO
YES
YES
YES
U100
CHECK
pin
7 : 2.9V ?
U100,
UCP300
resolder or change
YES
NO