Samsung UN43TU7000F Service Manual page 3

4-3. Video Troubleshooting .................................................................................................................... 4-4
4-3-1. Customer Picture Test ......................................................................................................... 4-4
4-3-2. Video Circuit Layout ............................................................................................................ 4-5
4-3-3. Combined MAIN/T-CON Models ...................................................................................... 4-6
4-4. AUDIO Troubleshooting .................................................................................................................. 4-9
4-5. Network Troubleshooting ............................................................................................................ 4-10
4-5-1. Checking the Internet connection status ...................................................................... 4-10
4-5-2. Using the Wifi Analyzer App .............................................................................................4-12
4-5-3. Wired LAN Operation Test (TV to Router) ..................................................................... 4-13
4-5-4. Know Before Wireless Internet Connection ................................................................. 4-14
4-6. Smart Hub ....................................................................................................................................... 4-15
4-6-1. Smart Hub Connection Test ............................................................................................. 4-15
4-7. BlueTooth/WiFi Module ..................................................................................................................4-17
4-8. Factory Mode .................................................................................................................................. 4-19
4-9. Replacing Main Board ................................................................................................................... 4-25
4-10. Detail Factory Option ..................................................................................................................4-30
4-11. Factory Data ................................................................................................................................... 4-33
4-12. AV Control Tabe.............................................................................................................................4-46
4-13. Updating the TV's Software ........................................................................................................4-53
4-13-1. Updating to the latest TV software ...............................................................................4-54
5. Wiring Diagram .................................................................................................................... 5-1
5-1. Wiring Diagram ..................................................................................................................................5-1
5-2. Connector........................................................................................................................................... 5-3
5-2-1. 3IN1 Board ............................................................................................................................. 5-3
5-3. Cables ..................................................................................................................................................5-7