Questions & Answers for: Samsung backlight test

...test points and determining if the problem is the inverter or the backlight. If the problem is the inverter, use the service manual instructions on how to remove the board properly. If the backlight ...

...backlight behind the display is defective. Back light problem, follow the steps how to check inverter circuit and fix it: ...

...backlight fade in black backgrounds scenes Most common failures in these LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply C242 470uF 10V, C241 & C242 1000uF 16V, ...

...test" and discovered I can still see a picture just no backlight. Replaced backlight inverter board but same problem still exists. I have carefully inspected all circuit boards and everything looks ...

backlight? I did a flashlight test and I could see the menu. This will get you started on your troubleshooting journey. Let me know what you find Troubleshooting LCD Backlight Failure Samsung LNT 4066

...backlight test and saw the picture, I have volume, and the backlights are off. The symptoms you described would indicate the backlights are not working. The 2 main reasons are the backlight inverter ...

test them individually with a couple AA batteries and replace the bad ones or order new strips, once the set is fixed turn the backlight setting down from 100 to about 80 and the lamps will last a lot

...backlight flashes about once per second. Test voltages on power supply are normal when backlight wire plug is disconnected. Power supply voltages go to zero when plug is connected. You can find a ...

...test the panel and power supply board by disconnecting the cable from main board. If unit's backlight comes on the main board needs replacing. If the backlight does not, the power board needs ...

...test the panel and power supply board by disconnecting the cable from main board. If unit's backlight comes on the main board needs replacing. If the backlight does not, the power board needs ...