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

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Hitachi 51f500 service menu

Does anyone know how to access service menu to do a manual convergence, my magic focus does not work

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Re: hitachi 51f500 service menu

I think your convergance amp ic are bad.


Posted on Dec 17, 2007

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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...

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Picture has green and red ghosts. went to magic focus and it will not continue thru the red focus, then a #5 is on the bottom of the screen

Ur convergence is dead.Know how to solders?Must replaced two convergence ICS and all it resistors.Tries Tv repair, for the convergence kit.Tv shop will cost u $300 dollars for parts and labors.

Jan 26, 2010 | Hitachi 51F500 51" Rear Projection...

1 Answer

Hitachi 51F500 magic focus wont work, blue has "dropped", when I use the magic focus on auto it does nothing, when I use manual focus the grid has the blue scooped down and I can't seem to get it back in...

Sounds like your blue convergence module is faulty along with a few resistors. There is two convergence modules in your set(stk-392-020) and when one fails, the both of them are usually replaced with a matched pair .If you have a good knowledge of electronic you may replace them yourself.otherwise you`ll need the help of a tv repairman. Hope this help. Good luck

Nov 17, 2009 | Hitachi 51F500 51" Rear Projection...

1 Answer

Blue outline on the top half of the picture on my Hitachi 51F500

your convergence ic is going bad. usually worth the repairl.

Jun 04, 2009 | Hitachi 51F500 51" Rear Projection...

1 Answer

HItachi convergence problem - blue only

Replace both of your STKs 392-110s use 180s.

Nov 27, 2008 | Hitachi 51F500 51" Rear Projection...

2 Answers

1993 Hitachi Projection Screen TV

Hi Dennis!

Your HItachi has an automatic color convergence (color beam alignment) feature called "Magic Focus" which can be accessed from the set-up menu. When selected, you will be prompted to push the front panel "Magic Focus" button... do so only one time and do not hold the button in more than three seconds to enter this mode. The process takes about 90 seconds to complete, but a second push of the button will stop the process with no change.

If the convergence is still bad after the auto-correction process, then the guns are misaligned beyond its corrective capabilities, and would require manual convergence.

A service manual detailing how to do this is available for a nominal charge at

If you don't have one, a free download of the user's manual is available at

Hope this is helpful, let us know if you have any other questions, and good luck!


Jun 17, 2008 | Hitachi 53SBX01B 53" Rear Projection...

2 Answers

Magic Focus does not work.

Convergence issues usually resolved by changing convergence output amplifier IC's.....Original STK392-110 should be replaced
with upgrade Stk394-160E Hitachi part # CZ 01341,change both
for reliability.....check B+ feed resistors for over-heating....T.

Feb 04, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

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 thanx

Jan 30, 2008 | Hitachi 51F500 51" Rear Projection...

1 Answer

Magic focus

That's a DP23 chassis, why replace the deflection board? Does magic focus come on the screen? Does it just no converge the picture? If so, it's likely that the convergence amps have failed.
That unit takes two STK392-110 Sanyo built Ics at board position Ic04 & Ic05. If you replace them I'd upgrade to the STK392-150's for greater reliability.

Dec 13, 2007 | Hitachi 51F500 51" Rear Projection...

1 Answer

Hitachi 51f500 magic focus

convergance amp ic bad


Dec 12, 2007 | Hitachi 51F500 51" Rear Projection...

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