Picture and sound problem

If you can get into the setup program, try doing a factory reset to get back to the default setup settings. This may cause you to lose apps that you have added to the set, however, but that's better than having to buy a whole new set. You also may want to see if there are any updates for the set from Visio if you don't have it set up to download and install them automatically already.

Your Lamp needs to be replaced.
Mats Electronics 1-800-628-1118 they have Lamps for $89.95

Could be ethier one the dish box or the tv itself have cold solders joints on the FBT-Flyback transformer.That the big black block of plastic with a red wire with a black cap hook to the CRT-(tv tube).Call ur tv Dish box customer service,get a replacement box.See, if this will solved ur tv problems.If not,than the tv must be taken aparts and must have tools like a soldering iron,a roll of solders,also must know basic soldering.Resolders all the coldsolders joints on the FBT for a better High voltages contact to the CRT-(tv tube).This problems,will be solved.

That sounds like one of 2 things:

1. Color wheel
2. Light engine

Color wheel because of the losing color, but the light engine because of the picture freeze. It's very difficult to judge since I can't be there to see it. I'm leaning toward the light engine though. The only fix is to replace the DMD board, or entire light engine.

It sounds lamp is weak in TV and requires replacement.
I would be in better position to help you out if you post model and brand of your TV.

check the oscillator

Cable Looses signal power after 20m ... Install signal amplifier
https://youtu.be/AkiKf4G4UE0

Hi...what you are seeing is the DMD board (digital Mirror display board) going bad. And if you leave it turned on like that it will damage the DMD mirror and freeze that picture into the mirror. It will look as if someone etched it into the mirror. DMD boards can be repaired and some cannot be repaired. The DMD board can be replaced. The DMD mirror can also be replaced too.

It sounds as though you have what is referred to as a climental problem. In laymen terms, a transistor, chip or regulator is heating up and breaking down. The way a technician normally isolates this type of problem is by using a cooling agent ( freeze spray ). When the set heats up and the picture goes away, the technician sprays some of the cooling agent on a part of the board ( select a small area, about 6 inches square ) at a time and see if the picture comes back on. When you do finally get to the bad area, the picture should come back on for a short period of time until the bad part heats up again. After a period of time and by using the freeze spray, a person can isolate the exact bad part. Replace that bad part, and any filter capacitors hooked to that bad part and the set should work properly. As always, use caution and unplug the set before opening the set and when using the freeze spray, be sure not to touch any connections in the tv as they could produce shocks.
I hope this has helped and good luck on your problem.
Ed
NC Electronic
Mills, Wyoming
Have a Great Presidents Day

This is very common in Samsung DLPs. The DMD board is going bad. You will need to replace it.