Network; Tv To Router "Failure"; Router To Network "Failure" - Samsung UN55KS9000F Service Manual

4. Troubleshooting

4-2-4. Network

<TV>

TV to Router "Failure"

„
• Wired & Wireless MAC Address
√ No Wired MAC Address
No Wireless MAC Address
√
√ If operating voltages are OK but signal missing.
• Replace WiFi Module (WiFi/Bluetooth Module).
• Proper security passcode
√ Check Wi-Fi signal strength at TV (use WiFi Analyzer or similar App).
• Try another source (Hot spot or Test Router).
√ Check related Bulletins.
√ Check Factory Mode

Router to Network "Failure"

„
• 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.
• Try another source (Hotspot) to test/show TV Network operation.
4-12
Check
Network Status
in Customer Support Menu.
: Replace Main Board.
: Module cabling & voltages from Main Board.
→ SVC → Info → WiFi Error Count
Check
Network Status (TV
<Router>
(TV Router
(replace module for high error counts).
Router Internet)
<Internet>
)
Internet