Question about Hitachi 43F300 43" Rear Projection Television

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Green lines in top left corner out bowing on Hitachi 43f300

On my Hitachi 43f300 the colors in the upper left are out of adjustment and when I go to magic focus the red and blue are lining up straight but the green on the top 3 lines on upper left side are drooping. I tried auto focus but it does not help. I went to manual adjustment and played with the red and blue to get closer to the crooked green but it only helps a little. Can you tell me what is wrong and what it will take to fix it.

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  • danaruck Dec 07, 2008

    i have same exact problem

  • Anonymous Dec 08, 2008

    I have the same problem anyone know the solution?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 375 Answers

SOURCE: hitachi help

you require an alignment,you must enter the service mode to adjust and save the settings.

Posted on Sep 18, 2007

ctf1800
  • 4402 Answers

SOURCE: Hitachi HDTV Model 46F500

replace convergence amp ic
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Jan 24, 2008

  • 2 Answers

SOURCE: Hitachi 43FDX01B (convergence) problem

hi i have same prob iv bin told its a convergence chip an thay r £150 ! thay go bout evry 6 years an its comon .. any way there coming 2 fix mine 2day so ill let u know if it sorts it out my mail is mjoutlaw@hotmail.co.uk thanx

Posted on Feb 01, 2008

  • 1 Answer

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

  • 13433 Answers

SOURCE: Magic focus, #5 Manual

Sounds like a Convergence IC problem, the convergence ics would need to be replaced. This can be done by yourself or a professional.

Posted on Jun 06, 2008

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1 Answer

50" hitachi 10 years old has blue and green colors


Your TV most likely has one of two possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • 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.
701cb04.jpg
77ea520.jpg
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Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

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

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc

Dec 12, 2010 | Hitachi 50UX57B 50" Rear Projection...

2 Answers

Hitachi UltraScan HD Projection Screen 43FDX01B


The convergence board is on the fritz! See TVRepairKits.com and see if they have a kit just right for you!

Jan 12, 2010 | Hitachi 43FDX01B TV

1 Answer

I have a Hitachi 46F500 tv and the red crt bowed


I just had the convergence replaced and have a great picture

Aug 16, 2009 | Hitachi 46F500 46" Rear Projection...

1 Answer

43F300 convergence


Convergence kit # X480306 for your Model #.....
Replace parts & activate auto-focus......T.

Sep 01, 2008 | Hitachi 43F300 43" Rear Projection...

1 Answer

43F300 convergence


convergence kit # x480306 , dont go into the service mode unless you know what your doing in there and what your adjusting./st.

Aug 22, 2008 | Hitachi 43F300 43" Rear Projection...

1 Answer

Hitachi HDTV Model 46F500


You have two bad convergence integrated circuits and possibly an open resistor or two in the supply.

Mar 04, 2008 | Hitachi 53SDX01B 53" Rear Projection...

1 Answer

Hitachi HDTV Model 46F500


replace convergence amp ic
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 10, 2008 | Hitachi 46F500 46" Rear Projection...

1 Answer

No clue


Sounds like failures of the convergence output IC's. They should be STK392-110's in the set. Also check associated circuitry around them.

Mar 24, 2007 | Hitachi 43F300 43" Rear Projection...

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