Network - Samsung QN55Q75CNF Service Manual

4. Troubleshooting

4-4. Network

<TV>
TV to Router " Failure"
„
Check
9 Network Status
Check
Network Status (TV
Wired & Wireless MAC Address
9
• No Wired MAC Address
• No Wireless MAC Address
Module cabling & voltages from Main Board.
9
• If operating voltages are OK but signal missing.
Replace WiFi
9
Proper security passcode
9
Check Wi-Fi signal strength at TV (use WiFi Analyzer or similar App).
9
• Try another source (Hot spot or Test Router)
Check related Bulletins.
9
Check Factory Mode → SVC → Info → WiFi Error
9
Router to Network "
„
Check
9 Network Status
Check
Network Status (TV
• Instruct the customer the TV has proper connection to the router and is likely OK.
Check other devices using network are OK. If they test OK this does not mean the TV should be working.
9
• Try another source (Hotspot) to test/show TV Network operation.
4-14
Router Internet)
in Customer Support Menu.
: Replace Main Board.
:
Module (WiFi/Bluetooth Module).
Failure"
Router Internet)
<Router>
Count (replace module for high error counts).
<Internet>