Samsung GT-S7230E - Page 56

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Level
3
Repair
8-44
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Check the Voltage
@
C213 or C253=2.9V?
8-3-21.
Wi-Fi Rx/ Tx
Put more lead solder
each terminal
Check the connection
L211,C205,C204,
Rx: C234/ Tx: C235
Put more lead solder
each terminal
Put more lead solder
each terminal
NO
YES
NO
NO
YES
YES
Check TCXO CLOCK
@
C249,C246=26MHz?
YES
NO
Can't make
a
call in WCDMA2100 network
Is the status of
BT_ANT O.K?
END
Can it wifi
activation
&
searching?
YES
Back to
previous step
Replace Board(PBA)
NO
Put more lead solder
@BT_ANT(sharing Wi-Fi)