Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television

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Hitachi 51f500 magic focus

Replaced deflection board, picture is blurry, i cant get magic focus to work, so i can align colors... any suggestions

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

Posted on Dec 17, 2007

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I have a Hitachi 53UWX10BA tv. The picture colors are off and blurry. I ran magic focus and it showed a 4 on the bottom of the screen


Ur tv have a problems known as a convergence problems,it dead.Tv have corlors R,G,B lines mis alignments,have colors shadows picture or 3D picture look alike?Yes.The tv convergence board is dead.The convergence board must change 2 STK convergence ICS and some or all of it resistors to fix the convergence board to solved the tv convergence picture problems.The shop will cost u like $300-350 for parts and labors.

Feb 28, 2011 | Hitachi Televison & Video

1 Answer

Ghost image in red and alot of red color. This occurs all the time. I have tried magic focus and manuel focus. No change


The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?This tv have a dead convergence board.The tv convergence board must require replacing 2 STK convergence ICS and some or all of it resistors too.Fixing the tv convergence board,will solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Feb 09, 2011 | Hitachi 51F500 51" Rear Projection...

1 Answer

Won't magic focus


Magic FOCUS button no help all?The tv have a problems known as a convergence problems,it dead 100%.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors it dead too.These parts on the tv convergence board must be replaced to solved the tv convergence pictures problems.The shop,will cost u like $300-350 for parts and labors.

Dec 08, 2010 | Hitachi 53SBX59B 53" Rear Projection...

1 Answer

The magic focus does'nt seem to reset the auto convergence on the tv. Do you have any sugestions


The Magic focus button,not in effective anymore.The tv is 100% have convergence problems,it dead.The tv colors lines R,G,B mis alignment,have colors shadows pictures or 3D pictures look alike.The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors are dead too.These parts on the tv convergence board,must replaced these parts on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Nov 07, 2010 | Hitachi 46F500 46" Rear Projection...

1 Answer

The top of the screen is yellow color then drops down in a swoop and more yellow and blue. otherwise picture is good, pushed the magic focus but it did no good. thanks for any help


The magic focus button don't work.The tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignment,have colors shadows or 3D pictures.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts,must be replaced on the tv convergence board to solved the tv convergence picture problems.The shop,will cost u $300-350 for parts and labors.

Oct 15, 2010 | Hitachi 65TWX20B 65" Rear Projection...

1 Answer

51 Hitachi rear projection 6 years old, can't get it to focus, Has sound. Can only get the picture to come in abpout 80%. Around the perimeter, sports scores and subtitels are not readable. Used the fucus...


Flash Focus magic button no longer work.The tv have a problems known as a convergence problems,it dead.Tv colors lines R,G,B mis alignment,have colors shadows pictures or 3D pictures problems.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts,must be replaced on the tv convergence board to solved the tv convergence picture problems.The shop,will cost $300-350 for parts and labors.

Oct 13, 2010 | Hitachi 51F500 51" Rear Projection...

1 Answer

Can't get full screen. tried all aspect selections. also color is off. can't get it to adjust. magic focus dosen't help. any suggestions?


Magic focus button don't work.Colors lines R,G,B mis alignment,have colors shadows picture or 3D pictures.The tv have a problems known as a convergence problems,it dead.The tv convergence board it dead,must require replacing 2 STK convergence ICS and some or all it resistors to solved the tv convergence picture problems.The shop,will cost u $300-350 for parts and labors.

Oct 07, 2010 | Hitachi 57F510 57" Rear Projection...

2 Answers

I need to line up my colors and magic focus does not work.


If picture looks 3d in some way you have a convergence problem.

This set should use two of the STK-392-150 CHIPS FOR THIS.

The repair can be a do it yourself one if you have some skill. Magic focus only attempts to adjust at about 18 points on the screen.

Parts cost will be under 25 dollars. The repair consists of getting at the chips (2) and replacing both--on EBAY they will cost under 15 dollars (I fix sets and use a seller there).

If I can help make a comment here and if this told you something you did not know, rate this solution as very helpful as I do this here for free.

SD TECH


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Sep 15, 2010 | Hitachi 51F500 51" Rear Projection...

1 Answer

Magic focus blue is fine, green and red are really blurry, tv picture is almost black and white. all bulbs are on.


Tv have a problems known as a convergence problems,it dead.Any colors lines R,G,B mis alignment,have colors shadows pictures or 3D pictures.The tv convergence board,the 2 STK convergence ICS and some or all it resistors are dead.These parts,must be replaced on the convergence board,to solved the convergence problems.The shop,will cost u $300-350 for parts and labors.

Sep 13, 2010 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Toshiba TN61x81-- after convergence IC's replced


Please don't be offended by my suggestions if you are experienced at circuit repair.
You may have a cold solder joint or bridged joint. Check and re-check your connectors for placement. It is normal to have to adjust the convergence and focus after replacing the IC's. There should be a row of focus knobs (ususally covered by a piece of black tape) with the screen controls.
The convergence IC's won't affect the visibility of a color only the alignment.

Sep 21, 2009 | Toshiba TN61X81 61" Rear Projection...

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