Samsung GT-S5750E Service Manual page 63

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Level 3 Repair
Phone can't catch GSM850 network
@RFS100
C1001,L130,C1006,C1007
PAM100 @ C107 3.0V ?
NORMAL CONDITION
catch the channel?
YES
PAM100 CHECK
-65dBm ?
YES
Check the connection
YES
Check the voltage
YES
Replace Board(PBA)
previous step
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
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
Back to
8-36
CONTINUOUS RX ON
RF INPUT : 190CH
Amplitude : -50dBm
Does Phone catch
the GSM850 network?
YES
END

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