Question about Toshiba 61HX70 61" Rear Projection Television

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Scratch in sreen

I have a 61h71 tv and recently it to moved to the basement. Somehow I have developed what looks like a scratch behind the screen protector in the upper left hand corner. This scratch can be seen when set is off or on and must be in the lenticular or fresnel screen. I have removed the entire screen and the internal screen has no marks and the screen protector is spotless any ideas??

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  • astalker Jan 07, 2009

    The mark starts about 2 inches from the top goes down a couple of inches and hooks to the right I have a photo if that would help.

  • astalker Jan 07, 2009

    Yes, this scratch is visible when the set is off

  • astalker Jan 07, 2009

    it goes down gradually hooking to the right . How do I get you a photo?

  • astalker Jan 07, 2009

    Send your email address to astalker@thefgi.com I will send you a photo

  • astalker Jan 07, 2009

    The Horizontal line is a fold in the picture I scanned.

  • jason May 11, 2010

    the dashed part of the line is a vibration scratch, you must look very carfully at the area that it is in , has the protector screen been taken off to clean it in there before ?

  • jason May 11, 2010

    you do not have a protection screen on the front , do you ? does the front feel like there is ridges in it ?

    it looks like a scratch across those ridges on the screen( can be very hard to see on the screen when looking at it in certain angles and lighting)

  • David Friedel May 11, 2010

    Sounds like separation in the fresnal screen.

    I'm not sure I want to post my addy here

  • jason May 11, 2010

    the green symbol where you type in your next comment at will let you browse in your computer for it

  • David Friedel May 11, 2010

    Is that a straight vertical line going down two inches then hooking to the right at the bottom, or going down 2 inches while gradually hooking to the right?

    A picture would probably help!

  • jason May 11, 2010

    have you checked the reflection mirror?

  • David Friedel May 11, 2010

    What shape is the crack? Is it a curve like a half moon?

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By the looks of that picture, it's hard for me to believe that the scratch is not on the outside of the protective plexiglass screen. However, you can remove the protective screen w/o negative effect of the picture. In fact, it will probably reduce the glare from light on the screen. If, in fact, the scratch is still seen w/o the protective screen installed, then it is the lenticular screen that is scratched.
The lenticular screen is the one with the vertical grooves from top to bottom in it. The fresnal is the back screen that appears to have been lathed in a circular pattern.

Posted on Jan 07, 2009

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