Samsung GT-B7330 Service Manual page 105

9-2-16. WLAN
Operate WLAN
Can WLAN be ON?
Check ANT200,C243
and WLAN Antenna
on Rear
Resolder MOD200
or Change
The End
Yes
No
Yes
abnormal
normal
Yes
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Check Bluetooth is
ON?
Yes
Check C231=1.2V ?,
NO
Resolder U201 and
Neighboring Circuits
Resolder ANT200,C243
Replace Antenna on Rear
while trying
WLAN on
C241=26MHz?
NO
Resolder OSC200 and
Neighboring Circuits
9-66
Flow Chart of Troubleshooting
No
Yes