Question about Hitachi 57S715 57" Rear Projection HDTV

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Help Noticed the other day the picture was very dark and could not see any detail in the picture. Ran Magic Focus and all colors (Red, Green , and Blue) showed up fine. Hitachi told me to unplug to reset the TV. After unplugging and letting sit for an hour I plugged back in and the TV would not even turn on. Tried unplugging and plugging in numerous times and still would not turn on. There are no lights that come on at all. Any ideas on what is wrong and how much it will cost to fix?

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  • 2 more comments 
  • dbviking Jan 18, 2008

    Would the blown fuse cause the picture quality to be poor before I unplugged it?

  • dbviking Jan 18, 2008

    Would the picture quality be poor and dark before I unplugged it with a bad fuse?

    How hard is it to check and replace the fuse?

  • dbviking Jan 21, 2008

    I got the TV to turn back on now. Thanks for the help.

    The picture is still terrible. Everything is kind of blended together, it is really dark, and it looks like not all of the colors are showing up when I watch TV. All 3 bulbs are still fine as when I run the Magic Focus Red, Green and Blue all show up. Any ideas on what could be causing this?

  • dbviking Jan 22, 2008

    I had a repair man look at my TV and he tapped on the CRT boards and the picture became clear again and looks perfect. He said the CRT boards are going out and would cost $500 to repair. Does this sound reasonable?

    Also, I unplugged the set and replugged it in and it would not turn on again. I have had this problem previously. Could that have something to do with the CRT boards going bad and not resetting properly when unplugged?



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Sounds like a blown fuse in the power supply

Posted on Jan 18, 2008

  • 1 more comment 
  • Cary Farah
    Cary Farah Jan 18, 2008

    i think you blew the fuse when you tried to plug it back in, open the back and follow the power cord and it should be close to where the cord enters the tv, it should be a glass fuse that snaps out, you just snap a new on back in, might be able to pick one uup and radio shack., lets get the set going first before we worry about the other problem

  • Cary Farah
    Cary Farah Jan 21, 2008

  • Cary Farah
    Cary Farah Jan 23, 2008

    here's a link to a crt fix it's for a Toshiba but your should be simulator and should give you some hints as to what to look for



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