Question about Philips 62PL9774 62 in. HDTV LCD Television

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Picture darker around the edges

Lamp is relatively new. Over time, unit has developed a dark ring towards the outer edge of the picture, all the way around. Another TV repair man told me that there's a mirror inside that probably has dust that's built up on it. I took the lower back cover off and cleaned the lenses that I could see, but he says this mirror is in the upper back section. I've taken all the screws out of the upper back cover, but it's still seems attached by something. I cannot get it off and am afraid of breaking something if I force it. Do I need to take the front cover off to get the back cover off? If so, I'm not sure how. I don't see any screws accessible to take it off. Any help would be greatly appreciated.

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  • philhoff Aug 17, 2008

    The dark spot suggestion doesn't make sense in my case because there isn't just a dark spot on the image, there's an even kind of ring around the edges, more into the corners. It's not completely dark, the brightness just fades towards the edges.

  • cmbecker Jan 28, 2009

    I have the exact problem with my tv. It is the exact model.

  • wcsliger Nov 28, 2013

    I know this is an old post but I fixed this on this same model. There is a lense next to the DLP chip that has a film glued to it. The glue on the film is turning brown so you will need to remove it and you picture will be bright again. You will need to refocus your tv when you are done.


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It seems to me that with "general" dimming to the most distal areas of the screen, we are dealing with overall bulb failure/intensity, a failure or lack of light receiptivity at the distal areas of the screen due to age or use, or some sort of uniform film build-up somewhere that is mechanically restricting the bulb's intensity. does this sound reasonable?

Posted on Nov 26, 2009

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This may also be a spot on the bulb itself. Projection TVs use a high powered bulb to project the image. If something got stuck to the bulb, it can cause a dark spot. I would have a qualified technician look at it,

Posted on Aug 17, 2008

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Okay okay sir

every thing that u ve done till naow is ok

follow me

first chek the connections
Picture darker around the edges - 4adfdba.jpg
if all the connections are cheked try
toend me ur model number its locate here and i will give u the full help of ur product but dont rate my help yet till i tell u that am finished okay??d4d39a7.jpg

Posted on Aug 17, 2008

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