My LCD screen keep flashing dark patch at all the bright spots in any picture. My freind has the same problem. I thought may due to excess humid and tride dihumidifying, but still does not works.
This is normal. Look at page 53 of your user's manual. There, it shows in the illustration, the figure of a woman with a highlight on her forehead (#2). These flashing patches will occur anytime there are highlights in the image area. These indicate an over-saturation of light on the CCD. Usually, when you view the image on your computer, the image will look normal. You may have to manipulate the image with Photoshop when you make a print. Hope this helps.
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Hi, Don't put screen in direct sun light or bright light. Bright lights will destroy LCD screen. The LCD screen has some adjustments on back. You might be able to readjust picture brightness.
that is a factory defect you call the dealer for the warranty.the defective part of your tv is the inverter board.this board supplies high voltage supply to the backlight cold cathode flourescent lamp.This lamp is the one illuminating the screen of the tv..the lamp is installed at the top and bottom of the screen thats why the center of the tv is dark because the lamp does not lit well..tnx
Shine a small bright light at the screen when on and see if you can see a faint picture in the dark screen. If you can then your backlighting is not functioning due to ccfl (inverter), power supply, or back light lamps.
These kind of patches or spots are called as Dead Pixels.
If you find any thing that doesnot change colour along with the other part of the Display according to the image, those spots are referred as Dead Pixels where the LCD needs to be replaced.
Contact your nearest HP Authorized Service Center and find the cost to get the LCD replaced.
No you cant change the glass on the panel it is a sealed unit.The lcd panel is the most expensive part of the tv to replace and usually cost more than the tv is worth. LCd panels do go bad after years of service. some times a digital board can cause picture problems but from your description it sounds like the LCD panel. It may be time for a new set.
this is a touchy subject for sony. basically sony has increased the brightness levels for the backlights to have better color tones in thier lcd's. well the downfall of this is the white spots you are experiencing. this is not a defect, you will never get them to go away, the only thing you can do is to turn the backlight and brightness down to reduce the white spots. if you contact sony, there is a software upgrade that will help reduce this issue...