Question about Hitachi 50UX57B 50" Rear Projection Television

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Hitachi Model 50UX57B

I hve the problem that when I plug the tv I can't turn it on, I opened the back to see and when I plug it in all the green lights turns on but when the last on the sound light turns on all the lights shuts off and the red one starts to blink. I can't do anything else. Could you tell me what it is or if I need to buy a part and replace it. the tv was manufacture july 1999 and chassis # AP83R.

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  • 4 more comments 
  • Thaonep Mar 13, 2009

    turns on for a few second thin turns off

  • Anonymous Mar 20, 2009


  • kmperu Mar 28, 2009

    Hey mike I have the same problem, do you know what the problem would be?

  • Kevin Hopson Mar 31, 2009

    I have the same problem. Tech said it needs a new power supply for $350... TV turns off, then light blinks, tries to turn itself back on... but cannot. I have the 50EX8K V5A017176 hitachi rear projection...

  • Anonymous Apr 10, 2009


  • Anonymous Apr 15, 2009

    Mine does the same, but only if it has an input (dvd player). It will shut off after a few seconds.



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This problem was posted almost a year ago. Do you still need help or has it been fixed or replaced?

Posted on Aug 23, 2007


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1 Answer

Model 51S715: 2 issues: (1) Screen is bowed at top...left and right edges turn down and are black. (2) picture color will turn green randomly. If I turn tv off and leave off for a while the color goes...

Ur tv have a problem call convergence,it dying about to be dead.The tv convergence board 2 STK Convergence ICS and some or all it resistors require changing to solved the covergence problems.U have tools,soldering iron,solders and know how to do soldering?Tries websites like, to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

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It sounds like a convergence problem and I will attach a few photos of typical sets with this problem.

Confirm the actual model number and I will if it is this tell you what is involved to either do it yourself or give other options.




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Sounds like something is overheating causing the thermal protection to trip.

Jul 25, 2008 | Hitachi 50UX57B 50" Rear Projection...

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Could be many things (components) on the board - might be visible, look for burned mark. Careful with the high-voltage leads. if you don't have some knowledge of what you are doing, don't.

Jul 20, 2008 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

Tint on television stays a greenish color.

Tubes are probably dirty. Very expensive fix. Unless it has a warranty or is recently new, look for a local cheap one or one with a smashed screen of the same size. Easy to change the screens out and is very cost effective.

May 14, 2008 | Hitachi 50UX57B 50" Rear Projection...

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Sounds like the High voltage fly back is going or has loose connection

Feb 21, 2008 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

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First thing i would do is unplug it for a couple of hours then plug it back in.

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1 Answer

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It sounds like the tv is dieing but since it is rear projection you may be able to fix the problem by replacing the bulb in the tv

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