Network - Samsung QA55Q900RBWX Series Service Manual

4. Troubleshooting

4-6. Network

<TV>
„ TV to Router "Failure"
9 Check
Network Status
Check
Network Status (TV
Wired & Wireless MAC Address in Customer Support Menu.
9
• No Wired MAC Address: Replace
• No Wireless MAC Address:
Module cabling & voltages from Main Board.
9
• If operating voltages are OK but signal missing.
Replace WiFi Module
9
Proper security passcode
9
9 Check Wi-Fi signal strength at TV (use WiFi Analyzer or similar App).
• Try another source (Hot spot or Test Router)
9 Check related Bulletins.
9 Check Factory Mode
„ Router to Network "Failure"
9 Check
Network Status
Check
Network Status (TV
• Instruct the customer the TV has proper connection to the router and is likely OK.
9 Check other devices using network are OK. If they test OK this does not mean the TV should be working.
• Try another source (Hotspot) to test/show TV Network operation.
4-12
Router Internet)
Main Board.
(WiFi/Bluetooth Module).
→ SVC → Info → WiFi Error Count
Router Internet)
<Router>
(replace module for high error counts).
<Internet>