4. Troubleshooting
4.1.10. Network Error – Wifi
No
No
Ye s
Check Network
test in the setup Is it ok with
MAC Adress?
Cable connection
between Main Board & Wifi Module
is ok?
Ne twork Error
Contact to Nertwork
Service Provider.
Ye s
Ye s
No
No
Ye s
Check Network
test in the setup Is it ok Internet
Service Test?
Check Network
test in the setup Is it ok from
IP Address to Gateway
Ping test?
Check WCN1
PIN 2 on the Main BOARD
Is it that 5V Power is ok without
connecting Wifi Module?
Is it ok with Network
Setting or IP setting
Ye s
No
No
Corre ctly conne ct the
the FFC ca ble .
Cha nge Ma in boa rd, be ca us e
5V is s upplie d from IC2201.
Che ck Your Ne twork S e tting
a nd if IP s e tting is right or not.
Che ck Your Route r a nd
Re boot P owe r to Route r.
Cha nge Wifi Module .
Che ck Your Route r.
Ye s
NOTE
The connection between LAN and SET is direct. So there is no need to check H/W if there is network problem.
If it is, the problem is MAIN CHIP (IC1)'s BGA soldering problem.
It must be changed to a new board.
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