Question about Hitachi 53SBX59B 53" Rear Projection Television

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HITACHI 53SBX59B, projection lights don't line up.

The projection lights don't line up. You get a 3Dlike picture, with a green, blue, and red outline. The screen begins to bend up from the bottom and the screen splits into 3 colors, giving you the 3Dlike picture with the aforementioned green, red, and blue outline. If you hit the side or top of the tv the screen will line back up giving you a perfect picture, but only for a minute or two. Is there a loose connection, or has something burned out? I'm at a complete loss. HITACHI 53SBX59B, made in 1999.

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It sounds like bad solder connections in the convergence output circuit. It may also be an intermittant convergence output ic which will need to be replaced.

Posted on Jan 04, 2009

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Convergence is dead,must know how to solders.Buy a convergence kit,replaced what in that kit.Tries Tv repair World.com,Tvrepairkits.com.

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Since you don't have any white lines with the red screen/picture I would say that the red bulb (CRT) is conducting too much. There is an adjustment control for that. The 'sceen' control is behind the speaker cover and service cover. Turn red screen control slightly to the left until you get a good black and white picture.

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I have a hitachi 53sbx59b 53in tv


This is a very common failure on Projection sets. Its called a convergence problem.

You may have one or more of the following symptoms.
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • No Audio / No Video - Makes Chirping Sounds
You can see some examples and find a fix here...


http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Projection lights don't line up


Sounds like your convergence chips have failed. This is a common problem. You can get a repair kit from www.TvRepairKits.com .

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1 Answer

Projection lights don't line up


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Hitachi 53sbx59b horizontal wave lines


I would check the main power supply for a bad filter cap. That could cause the wavy lines. The different colors are probably a problem with the convergence circuit. Try resoldering the convergence ICs first. If that does not resolve it replace the ICs. Also check for low valued resistors in that same circuit or pico fuses.

Dan

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

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use the advanced options page and reset the factor blue and red convergence defaults then do re apply the auto color defaults color at first it seemed very red (which is good because red was the missing factor in the green picture) but after reseting all the color and tints to the normal ranges I then reset the color auto correct again and all seems fine.

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