Question about Hitachi 50GX30B 50". Rear Projection Television

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Digital array blue will not move left or right?

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Posted on Jan 02, 2017

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SOURCE: Digital Array?

I have the very same problem. Was there a solution to landfill2004?

Posted on Sep 07, 2007

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SOURCE: projection TV red is drooping

Do an internet search on "Hitachi Convergence Circuit". This apparently happens all the time. TV repairmen charge about $400. Parts are less than $50 but you would have to be an expert at soldering electronics circuits to replace it yourself.

My TV had the Blue misalign instead of the Red. I ordered the kit #9 from http://www.bdent.com/search/part.jsp?partnum=KIT9

DO NOT ATTEMPT IF YOU DO NOT KNOW HOW TO SOLDER. YOU WILL PROBABLY RUIN YOUR TV.

Posted on Sep 15, 2008

  • 1 Answer

SOURCE: can't get the blue and red box to align

i don't have the original control remote,screen look like 3D,color don't line up, screen is bowed or warped and tv turn off

Posted on Jul 30, 2009

Ecollier2012
  • 3459 Answers

SOURCE: I can't align red or green bulbs with the digital array....

There are two common problems with these sets.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

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

Posted on Oct 31, 2009

Ecollier2012
  • 3459 Answers

SOURCE: colors do not line up on my tv ( left side of

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

7859b01.jpg

e87380c.jpg
Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Aug 14, 2010

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1 Answer

50FX20B- I am trying to allign the digital array and cant get the red to move,how do I move it? (the blue WILL move)


Hello,
Please replace convergence output chips in tv to solve the problem. It requires good soldering skills/ expertise and click to buy convergence repair kit for this tv that has all required parts and instructions.
Hope this will help.
Thanks.

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1 Answer

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Try to adjust the digital array, if it is still bad the two chips will need replacing. I've had it done three time in 7 years at $300.00 a pop

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1 Answer

I can't align red or green bulbs with the digital array, how can I get them to move left/right they only move up/down.


There are two common problems with these sets.

Problem #1) Convergence

Symptoms:
  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

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

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1 Answer

Projection TV red is drooping


Do an internet search on "Hitachi Convergence Circuit". This apparently happens all the time. TV repairmen charge about $400. Parts are less than $50 but you would have to be an expert at soldering electronics circuits to replace it yourself.

My TV had the Blue misalign instead of the Red. I ordered the kit #9 from http://www.bdent.com/search/part.jsp?partnum=KIT9

DO NOT ATTEMPT IF YOU DO NOT KNOW HOW TO SOLDER. YOU WILL PROBABLY RUIN YOUR TV.

Aug 15, 2008 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

Digital Array


The unit needs the convergence ic's replaced.This is a common occurance with this set.It should cost no more than from an honest repair place.This problem was caused from a combo of poorly manufactured parts and vibration.They will probably install a factory mod kit for this unit.

Mar 03, 2008 | Hitachi FDX Series 43FDX10B 43" Rear...

1 Answer

Digital Array?


Replace IK04 and IK05, both STK392-110, but use instead STK392-150's for greater reliability. And don't get some Chineese knock-offs - use original Sanyo replacements. If you don't know where to get those try ACME Enterprises in Florida,
http://www.acme-sales.net/index.shtml
Also measure the low ohm feed resistors in that circuit. However usually just replacing the convergence amps will restore normal video...
Bill

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1 Answer

Digital Array?


I have the very same problem. Was there a solution to landfill2004?

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