My sanyo is less than 10 yrs old. The green lite comes on, and the sound, but picture went black. Is it dead, or can something be done? If so, what?

Sanyo DP50842 Owner Manual Here's your manual

is that for over-the-air signal or HDMI or other cable source?

Because the former is pretty normal behavior for bad reception (weak tuner).

IT SOUNDS LIKE DRY JOINTS ON FRAME CHIP

a thousand or so people have experienced this problem! I am a military spouse and our same tv did the same thing on Super Bowl Sunday 2009! We did everything we know to do: call the company, called the repair man, etc. There apparently isn't a solution to this that wouldn't cost more than the tv is worth. So I got an attorney to start a class action:

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just the Driver boards?

Try a hard restart, which simply means unplugging the power cord of the TV, and replugging it after 4 hours have passed. If this does not bring the picture back, then you should consider buying a new TV. The costs of a repair ( labor and parts) might exceed the cost of a new TV. Your 10 year old TV has served you well, and has exceeded the average life expectancy of 5 years. May it rest in peace in TV heaven.

I've had the same problem main board went out it's a 100.00 part fixed myself.

Assuming this is a TV with a picture tube and not plasma or LCD; I'm afraid that your picture tube is dying on you one electron gun at a time. From what you said your green electron gun is almost totally dead and the two remaining blue & green guns aren't far behind. Eventually you'll have no picture at all and I would estimate that to be about 6 more months but whatever the time eventually it will go totally black. These blackout periods will get longer and longer. The only way to fix your problem is a new picture tube but my will probably find it less expensive to just get a brand new TV set.

Our tv is about 2 1/2 yrs old and did the same thing we had to replace the bulb and bulb driver board this fixed the problem