Samsung GT-S7230E - Page 24

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Level
3
Repair
8-12
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Check the connection
C158, C159, L116
8-3-5.
DCS RX
Put more lead solder
each terminal
CONTINUOUS RX ON
RF INPUT
: 698
CH
A
mplitude
:-50
dBm
PAM100 CHECK
@
CN100

-65
dBm
?
Put more lead solder
@
CN100,L120,L101,L102
Put more lead solder
each terminal
NO
YES
NO
NO
YES
YES
Check the voltage
PAM100
@
C103

3.0V ?
YES
NO
Phone can't catch DCS network
NORMAL CONDITION
catch the channel?
END
Does Phone catch
the DCS network?
YES
Back to
previous step
Replace Board(PBA)
NO
Put more lead solder
@
C104,L105,C170,L120,L101
L102, R100,R101,R102,R103