Re: Vizio M50-C1 will not power on

Hey guys,

bumping this, hope thats ok. I picked up this same exact TV (M50-C1), nearly the same exact problem. No power, no backlight, no audio & no visual but the LED on my mainboard acts correctly. I also have 19v on some pins labeled as 12v on the PSU.

I've tried to replace the mainboard with another supposedly working one with proper serial cross-referencing and it still wont power on - but there is one difference - on the original mainboard, the external LED would power on then fade out (normal act for this...