Question about Hitachi 46F500 46" Rear Projection HDTV-Ready Television

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Blue lamp is not in focus

Blue lamp will not focus it's out of alignment down and to the right tried to magic focus and tried it manualy still wont work right

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Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s)

This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

Posted on Oct 05, 2009

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2 Answers

We cannot get the color to align. It appears like there is a blue or yellow background around words


If your TV looks 3D, warped, or distorted it likely has a convergenge problem.
If however it just looks dull, washed out, redish, greenish, or blueish or if it looks like objects on the screen have halos the fluid in the lens has soured.
You can search google for parts or you can get the parts with repair instructions from sites such as www.TvRepairKits.com

Mar 02, 2011 | Hitachi 57F500 57" Rear Projection...

1 Answer

Magic focus --blue and yellow sag in the upper left area of the screen


This is a problem with the convergence circuit. If you can solder, you can repair this yourself. First try and resolder the pins on the existing convergence ICs. These are large black ICs attached to a heatsink and should be marked STKxxx. If the resoldering does not resolve the problem, replace the ICs.
Dan

Mar 22, 2008 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Picture is out of focus. Tried Magic focus - didn't work. Saw color grid; appears blue is out of whack.


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

Oct 18, 2009 | Hitachi 57SWX20B 57" Rear Projection...

2 Answers

My blue color is out of alignment. I tried


There are integrated ic's that control the convergence circuit, it generally requires qualified service personnel to repair this.

Jun 28, 2009 | Hitachi 57F500 57" Rear Projection...

1 Answer

Magic focus off


You will not be able to solve this yourself. It needs the convergence IC's replaced which is a big job.

Mar 30, 2009 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

Colors are separated on the top from the left to right


Probably the color convergence is off. I had a similar problem. Have you tried the magic focus button yet? That is located at left in the small front control panel. Power on TV, wait 20 min (according to user guide), then press the magic focus. If that doesn't fix the problem, you could try the service mode alignment procedure. But that's a little trickier. I don't have a link handy for that procedure right now, but will look for it if magic focus doesn't re-align your color convergence.

Jan 02, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Double pictures!


Looks like you have a convergence/alignment problem. Try the magic focus (your instruction manual should help you with this). Or else, you will manually have to align the lamps.

If that still does not work, you may have to get the convergence IC's replaced.

Sep 28, 2008 | Televison & Video

1 Answer

Blue problem


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

Nov 25, 2007 | Samsung HCM5525W 55" Rear Projection...

1 Answer

Green alignment


One of your convergence output IC's has burned out and needs to be replaced.

Jun 22, 2007 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Color Alignment


get a shop manual,it tells how to do the whole convergence process and how to store it to the rom memory to save it.

Mar 15, 2007 | Hitachi 43FWX20B 43" Rear Projection...

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