Re: Insignia NS-55D420NA16 Backlight Problem

I found one the LED's was open. When I tried to remove the bad led with a hot plate. The LED broke into parts. The part that was soldered to the smaller pad did not want to unsolder because the connection to board foil are via a plated thru hole and trace. Only 3 of the 11 strips were without bad LEDs. I replaced all of the strips with new ones. When I put everything back together without the back, I got a great picture. I next installed the back and base. When I set the TV on a stand, I powered the TV back on I had a crack in the screen....

Re: Insignia NS-55D420NA16 Backlight Problem

Using LED backlight tester to apply voltage to my Insigna NS-55d420NA16, I get 331 volts on the tester. The power supply was disconnected. None of the LED's light. Is the wire between the power supply connector and the first LED strip open?