Re: Sony 40 in LCD, no video no sound.

Hi:
I picked up 2 Sony monitors at work that had both stopped working,they were going to the landfill. The model numbers for both is FWD-40LXF2F. Company had them playing 7 days a week 24 hrs a day.Both are in my garage which is about 40 degrees right now. The problems are:
TV1:It will play perfectly for about 10 minutes then There will be a high pitched sound from speaker and I will lose the picture. If I unplug the Monitor and plug it back in it comes back on for another 2 minutes and goes off again. The sound is good and...