Question about Hitachi 57SWX20B 57" Rear Projection Television

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Hitachi 57swx20b color bad, all 3 lamps are still working, bringing tint control all the way over to the left (max red) helps a little but still to much green in picture. picture is still sharp and cl

TV has never been touched until today, 12-31-12. I pulled the front inspection panel off and could see all 3 lamps lit. On the convergence screen the red and blue are aligned perfectly but no green shows up just a white, red, and blue and all are aligned, no bowing in picture at all). What can I do to repair?

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  • Richard Guillory Dec 31, 2012

    There is no 3d effect in picture at all, picture is great just cant adjust to get color right, is this a normal convergence problem or something else?

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SOURCE: How do I Remove Front Cover Screen of Hitachi 53SBX59B53 Projection TV???

Did you ever find the solution to removing the front screen? I have the same problem. Please write at superduper200554@yahoo.com

Posted on Jan 21, 2008

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SOURCE: Hitachi 57SWX20B 3D Effect due to green light convergence problem

I'm trying to fix the issue on my 43FDX20B. So far, I'm able to move the lines up and down, but can't get the left/right motion to fix it. The attached link has the dynamic mode instructions, so you can correct this issue yourself.

http://home.comcast.net/~leebailey00/Hitachi_DCAM_Manual.pdf

The only thing I didn't have was the screen overlay jig the manual talks about. I decided to create one myself and use the screen as a beginning template. I went to our local hardware store and picked up some home window weather covering. The roll cost about $15, is a clear strong plastic and the template was very easy to create. I used a straight edge after I put dots on the plastic and measured the lines for being square and equal after I took it off my tv. Good thing is that if you don't like what you make the first time, you have a 25' roll to use to try again (ha).

Posted on Mar 02, 2008

  • 41 Answers

SOURCE: the Screen looks 3D & Colors don't line up on my big screen????

If the convergence is off more than 1/2 inch or so you can't adjust. you have a failure of hardware. most likely the output IC. This set has 2 outputs for convergence. Each output contains 3 circuits, Six circuits altogether 2 red ,2 blue and 2 green. The normal customer adjustment will only alow adjustment of blue and red. They should be converged onto the green. There is a much more complex adjustment in the service mode for Geometry and convergence. These adjustments are only needed when you replace a failed componnent like the output ic. These ICs have been upgraded several times since the production of this set. The latest and most powerfull version is STK394-160. If feel up to it I suggest changing both outputs and the corresponding output resistors. Then do a complete geometry and convergence alignment.

Posted on Apr 16, 2009

video-tek
  • 150 Answers

SOURCE: Red and Blue color bowing...

Hi, you`ve lost your convergence IC`s, At our shop here in western florida this runs right around $246.00, price will depend on your geographical location and who you call. gl, video-tek

Posted on May 29, 2009

SD Tech
  • 14553 Answers

SOURCE: Hitachi 51UWX20B no sound, no picture, blinking green LED

The 392-150 is a higher current device then the 110---you can use either--this is normal in the hitachi sets---I usually replace both with 150's---check the led that does not light---should indicate which voltage source is bad---if it is one of the 2 voltages for the convergence ic's(one is a positive and the other a negative voltage) then the convergence Ic's may be bad---look for any discolored resistors around the ic's---one way to tell if it is a convergence ic is to de-solder both ic's and see if the set turns on(the convergence will be out the window) but if it comes on change both and do the alignments with the Hitachi remote. By the way----the led should have a location number printed on the top of the circuit board.

Posted on Aug 07, 2009

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Do not forget to Rate!!

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Picture Menu
Picture Mode: Expert1
*Backlight: 16
*Contrast: 83
*Brightness: 53
Sharpness: 50
*Color: 55
*Tint: 0
Expert Control
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  • Noise Reduction: Medium
  • Gamma: Medium
  • Black Level: Low
  • Real Cinema: On
  • TruMotion: Low
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      • **Green: 2
      • **Blue: -16
    • 20 IRE
      • **Red: -6
      • **Green: 0
      • **Blue: -7
    • 30 IRE
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      • **Green: 0
      • **Blue: -4
    • 40 IRE
      • **Red: -8
      • **Green: 0
      • **Blue: -4
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      • **Green: 4
      • **Blue: -4
    • 60 IRE
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      • **Green: 6
      • **Blue: -5
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      • **Blue: -10
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http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

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