Network Error - Samsung HT-F4500 Service Manual

4. Troubleshooting

4.1.8. Network Error

Ne twork Error
Ca ble conne ction
be twe e n S e t & LAN is ok?
Ye s
Che ck Ne twork
conne ction te s t in the s e tup me nu?
is it ok?
Ye s
Doe s it ha ve proble m only
a t wire d ne twork?
Ye s
Cha nge MAIN P CB.
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.
4-12
No
Corre ctly conne ct the
e the rne t ca ble .
Re fe r to Us e r Ma nua l's
No
Ne twork S e tup P a rt a nd
re -s e tup s e tting of Ne twork.
Che ck WiFi module
No
conne ction a nd the n if it
doe s n't ha ve a ny proble m,
Cha nge WiFi module .
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