Hi , it seems you are experimenting a light engine problem.Here's how your tv works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo Basically there's 3 LCD chips that create the colors and image by blending together.When these chips start to melt you will get those blue spots, pixilation even vertical lines.You will need to replace the light engine. Have a blessed one!
SOURCE: yellow hue
1)Please verify your model # from back of set......
2)Reduce the color to minimum or tune in a black & white chan.
you should see gray, not yellow hue
3)Remove lower front grill cover & access panel.....locate the
focus / screen control block...turn blue screen control slightly
CW......red,green and blue must mix to equal gray
4) reset color to normal level.......reassemble
SOURCE: Toshiba 65H80 has yellow hue.
Check you HD inputs or source. Sounds like the red stream is missing; maybe a loose cable.
SOURCE: tv, has yellow hue,lacks brite day and night
Replaced light engine. Be sure to note if model has an A at the end of it when ordering. They use different parts.
SOURCE: Both the picture and sound
Sounds like you have a convergence problem. If you go into the setup menu of your TV, there should be some settings to adjust the red, green and blue hues and re-position them so each color matches up. If this does not work or if you don't have a menu, your TV *might* have a circuit board with several plastic screws on it. These adjust the picture and it's a very tedious task to re-align each hue correctly.
My projection TV is an older model from 1995, which is probably why it has this circuit board in place of a convergence menu built into the TV.
If adjusting the convergence still doesn't work, you might need to purchase a new convergence chip.
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