Samsung HT-F4500, Service Manual

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