Re: No backlight on Insignia NS-50DR710NA17, need help with voltages



It's hard to see since they are on the underside glued down but I can see one that says 100V so I would imagine both the same....

Re: No backlight on Insignia NS-50DR710NA17, need help with voltages



Tv Plugged in-no power
+VLED (both): 36.8V
-VLED1: 11.9V
-VLED2: 11.9V

Tv Plugged in-power on
+VLED (both): 53.8V
-VLED1: 5.6V
-VLED2: 5.6V

Tv Plugged in-power on —cn8601 unplugged
+VLED (both): 53.8V
-VLED1: 0V
-VLED2: 0V


No spikes anything over 53.9V...

Re: No backlight on Insignia NS-50DR710NA17, need help with voltages



Hmm. Well, would the LEDs being somewhat on lend to a bad power supply not pushing enough power? Or could that still be some LEDs/strips out?...

Re: No backlight on Insignia NS-50DR710NA17, need help with voltages



So I am having basically the same issue. I don't know if the other didn't notice or mine is different in this aspect, but my backlight LEDs are coming on somewhat. When the tv is turned on in a dark room you can see the screen but it is extremely dim. With the back cover off you case see light from the holes. It's not a settings issue because I've factory reset it.

I'm just wondering if the power supply isn't supplying enough volts. If you look at the first picture of the LED connector...