I bought the TV in Feb of 2005 - I started to notice this grey cloud creeping across the TV around Feb of 2007. It started on the right and is now almost all the way across the TV. I called Panasonic 877-958-4372 and asked if this was a known defect. Though they were courteous I was kinda shocked when they said "you are the 1st to mention this .. it is expected that with all the sets manufactured there will be a few that will have defects". I understand the reality of that statement but to have them simply pass it off as "oh well that happens" was kinda surprising. With costs being low compared to 2005 I am simply going to purchase a TV other than Panasonic and put this one to the curb...
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Plasma screens are extremely susceptible to getting broken from any impacts to the face of the screen. What you are describing sound very much like distorted or dead pixels. It may not be a fixable issue, you may have to replace the entire unit or live with the purple bar. The reason you don't notice it as much when the screen is dark is because purple is on the darker end of the spectrum, and will be most visible in contrast to lighter ad brighter colors.
If you bought a hypermodule rebuild kit from www.TvRepairKits.com go back to their site and ask for help. If you just bought parts off the web and winged the repair its hard to narrow down - you could have torn a sodler pad, put a cap in reversed, forgot a cable, etc...
This sounds like a diffuser problem. Basically the LCD Panel is defective.
32" LCD TV use about 8 horizontally mounted flourescent bulbs. They use a plastic material that diffuses (spreads) the light from each bulb evenly on the screen. If this Diffusion Material becomes wrinkled it will leave a grey cloudy look on the screen.
It is possible that the LCD Panel Glass is defective buy honestly I would guess the diffuser.
This isn't cheaply repairable and it is better to replace the TV unless you are experinced with Electronics repair. There may be a possibility to pull this material out and replace it with something readily available from Home Depot but I have not tried this before. It is possible to pull this from another LCD TV.
Uh Oh! blue screen of death. Your light engine has warped
a little from overheating and is distorting the picture.
My suggestion to you is to get
on the phone with hitachi and start complaining, then keep complaining
until they agree to pay for it. You may have to get the problem
diagnosed by a pro before they agree to pay for it though.
yOU ARE HAVING A PROBLEM IN HORIZONTAL CIRCUIT OR IN YOUR POWER SUPPLY kindlyu take your T.V tO A QUALIFIED TECH to repair it.ypur problem could be a faulty capacitor ,flyback or horizontal output transistor.