No solution found on your site. My 62" Toshiba DLP makes an extremely loud chopping noise when on HD channels using a satelite service. (Happened on Dish and Suddenlink) No sound except for the chopping. Regular channels works; only HD give us the problem. My small Toshiba (which is not HD)works on both HD and regular.

Your color wheel is going out and needs to be replaced. Toshiba does not list a part# for the color wheel. They expect you to have the whole light engine rebuilt. You should be able to find one on ebay. Or other sites like that. Good luck to you.

Could be the cooling fan. Is it under warranty?
-Kevin

Defective Color Wheel

My tv just came on by itself and now just keeps going back and forth from off to on over and over

My Toshiba dlp 62hm116 was used for 3 months then stored for 2 years, I turned it on yesterday and it makes a loud grinding noise which I think is probably from the exhaust fan area and the picture is black except white at both vertical sides. It worked fine the last time I used it 2 years ago. Any ideas?

Noises made by your HD is a clear sign of mechanical problem, your laptop cannot access the system files on your HD anymore. Have the HD replaced.

Replace the fan.

found my manual and found out which channel to use

was the lamp blown if it was blown you could be hearing the ballast
if the lamp was not blown and the new one did not fix it the red light indicates the door there is a little switch when you put the door back on if you look at it it may need to be adjusted so it will connect with the door if that is not it you could have a fan that is not turn if it is making a real loud constant humming noise while it trying to fire the lamp you probably have a bad color wheel

i constantly hear complaints about fan noise in dlptvs if you sit in front of your computer you will hear the same noise even in the next room there is no solution to the fan noise problem this product has a huge cage fan and a second and third three inch fans in it.... more than the samsung product it can be noticeable if the tv is on hard surfaces ie wood floors ,inthe corner, glass top etc the vents on the back of the tv allow for proper cooling of the lamp at shutoff so it doesnt shatter the tube its kinda like annealing glass its designed to extend the life of the lamp .... which im sure youve priced call toshiba and tell them your lamp is bad right now and get a new one for an emergency ( warranty if you can do it ) they are also improved this product is known to have short bulb life sometimes the zinging noise you hear is indicative of a bad color wheel in the light engine which would require replacement ( not cheap) toshiba will not piece out the color wheel assembly individually