Samsung GT-S7230E - Page 26

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Level
3
Repair
8-14
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Check the connection
C106, C107 L107
8-3-7.
WCDMA Band
8
RX
Put more lead solder
each terminal
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 WCDMA900 network
NORMAL CONDITION
catch the channel?
END
Does Phone catch
WCDMA900 network?
YES
Back to
previous step
Replace Board(PBA)
NO
Put more lead solder
@
C104,L105,C170,L120,L101
L102, R100,R101,R102,R103
CONTINUOUS RX ON
RF INPUT
: 10700
CH
A
mplitude
:-50
dBm