Re: Vizio M60-C3 won't turn on. Is it the main board?

I just did a visual confirmation of the PS board looking for obvious problems.

For anyone else with similar problems, neilc6 nailed it: the main logic board was bad. I replaced that board, and now everything works as expected.

Thanks for all the help!

Re: Vizio M60-C3 won't turn on. Is it the main board?

Thanks, I'll have a look for those. Most of the previous threads didn't make a whole lot of sense to me principally because Vizio's boards are rather poorly labeled.

Hi, I've been stalking the site trying to diagnose the problem with my Vizio M60-C3. When turned on, the screen remains black and there is no audio. There is nothing displayed on the screen using the flashlight test, but the status light does illuminate and the optical audio out port does illuminate. The symptoms are almost identical to [url]https://www.badcaps.net/forum/showthread.php?t=51443[/url].

On the power supply board (60CAP090), with the TV off, everything reads ~0V except for the two +12V rails (pins 8 & 9 on the connector the main board (CN201)), which read 12.57V,...

Re: New Members - please post your introductions here

Hi all,

I'm Andrew. I have a degree in electrical engineering, but these days I spend my time on the software side of things. I discovered the forum while trying to fix some home electronics. It looks like a fantastic resource.