Colour fades to white images along the right side of the screen and the picture arches inward slightly ( on the same side.
On the left side of the screen the picture seems to be darker. Middle section is just fine though. Just got this TV second hand and apparently it was working fine prior to that. Could it be something that happened during transportation to our home? Doesn't appear to be too many adjustment buttons on the front to try, and I have no manual. Thank you
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Re: Hitachi Standard T.V.
Some of the problem could be a weak or damaged picture tube - especially if it encountered rough handling in the move. Other possibilities are bad capacitors in the power supply and deflection circuits which are common with this aged set. No adjustments come to mind that could permanently fix these symptoms.
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I expect you have it sorted by now.
I think you might have had one off the developer tanks stuck or broken. If the developer roller does not turn then the colour quickly fades along the page. If you tried to do a test page and that was good then there was nothing wrong with that side of things.
If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Take it to a repair shop.
The blue or yellow haze problem in this projector is because of two factors. 1) Dust buildup inside the optics and 2) Fading colour filters used in the internal optical process.
Inside the projector the white light from the lamp is split into three distinct colours of red, green and blue. Each colour illuminates their own monochrome LCD. Those LCDs are mounted on a prism that combines the separate images and displays the result you see via the lens.
The optical process to split the light up inside the projector is fairly complex and involves many light filters and mirrors to direct the light to the appropriate lcds. Those filters and lenses accumulate dust and also fade over time due to heat and other environmental factors.
I know that sharp sells replacement filters at $100 a piece. I do not know if Hitachi sells replacements.
To remove the dust and change filters you have to take apart the projector in a fairly complex way. I do not suggest that the average user do this. Good luck!
If possible can you post a picture of the problem, It would help in determining if this is a convergence problem or a pincushion circuit problem. You description while good is a little to general to many possible issues.
This sounds like a defection issue but I would not be able to tell unitl I see a picture of the screen, take the picture with a digital camera and the post it to the page using the add image link on the right side of the dialog box.