Question about Hitachi 53FDX20B 53" Rear Projection Television

1 Answer

Darkening tv picture

Recently my picture (Hitachi proj hdtv 53fdx20b) is losing some of its black shades and becoming much more darker in areas to where i have to turn up the 'brightness' which does produce a brighter picture but loses blackness depth. I have tweaked the video settings trying to correct this with no luck. Its hard to describe the change because some scenes are bright, but dark scenes are way to dark because all dark shades seem black. TV is still very watchable, but no where near the clearness and brightness of dark scenes as before. I believe the bulb may have too many hours use on it, if so where can i buy the bulbs for my tv- and could i repair it myself. Thank you.

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  • ronald white Jun 30, 2006

    Thank you, in the am ill give a call to a local tv guy downtown.

  • Anonymous Mar 14, 2014

    tv seems fine other than colors are darker than usual and dark parts of ashow or movie are so dark you can hardly tell what's going on

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  • Master
  • 3,130 Answers

The Picture tubes(not bulbs) do and probably are weak. There replace should only be done by a trained service person. One reason would be the hI Voltage issues related to the crt's, as these tubes store alot of HI voltage even after its unplugged for a while, and another reason would be that these tube can very easy implode then explode and that wouldnt be a pretty sight. Third would be the alighnment involved after all three tubes are replace. There ba cross hatch generator and alot of time involved with the alighnment. Please seek a pro to assit you when your ready to spend at least 900 TO 1000 bucks. Good Luck

Posted on Jun 30, 2006

  • Larry  Dillon
    Larry Dillon Jun 30, 2006

    Great Ideal!!! As it may not be the tubes and could be a simple capacitor. Let us know how it goes please.

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