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Level 3 Repair
8-4-3. DCS RX
Phone can't catch DCS network
PAM100 @C107 3.0V ?
NORMAL CONDITION
catch the channel?
YES
PAM100 CHECK
@RFS100
-65dBm ?
YES
Check the connection
C1004,L131,C192,C189
YES
Check the voltage
YES
Replace Board(PBA)
previous step
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NO
Put more lead solder
@RFS100,L126,C106,L102,C108
NO
Put more lead solder
@RFS100,
L126,L102,C108
NO
Put more lead solder
each terminal
NO
Put more lead solder
each terminal
NO
Back to
8-38
CONTINUOUS RX ON
RF INPUT : 698CH
Amplitude : -50dBm
Does Phone catch
the DCS network?
YES
END
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