How to Troubleshoot TV with Backlight but no picture. Philips 40PFL3705 Backlight no video repair.

If your Television's screen lights up but there's no picture, image, or words on the screen, its just a blank backlit screen; then most likely the cause is either a bad T-Con board or a bad LCD Panel/screen.
In this video we have a Philips LCD TV model 40PFL3705D/F7 that powers on with backlights but no image. I will show you how to troubleshoot it to isolate whether its the T-con board or the LCD panel.
Even though this Philips model is an older CCFL backlit TV, the troubleshooting method is still the same on all Televisions that use a T-Con board.
Here are a few more good videos on how to troubleshoot Televisions with Backlights but no picture on the screen.
   • Backlight but no display. T-Con board...  
   • 60" Samsung No picture. Backlights or...  

FOR TOOLS AND TEST EQUIPMENT:
https://bigdogelectronics.us/

KAIWEETS MULTI-METER USED IN VIDEO:
https://kaiweets.com?sca_ref=1488882.UqPmA1Bjbh