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Hitachi 50ux57b 53 in rear projection TV My pic goes blur and my MAGIC FOCUS does not work properly.

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  • frubia1 Aug 07, 2008

    Forgot to mention the double vision problem also exists along with the blurred picture. Magic Focus starts but does not complete the cycle, it normally stops on the Blue Lamp automatic adjustment....hope this helps some. Would love to have this repaired since it seems to be happening alot lately.




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Thats a common problem . You need to replace both STK392-110 Convergence ICs and you will also need two 2.2 ohm 1watt resistors, two 3.3 ohm 1watt resistors one 3.9 ohm 1watt resistor, and one 2.7 ohm 1watt resistor. You can get replacement ICs and resistors at the following link and they provide free instalation instructions and free online tech support in case you require additional help. Heres the link.

Posted on Aug 07, 2008


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How do i adjust the magic focus?

  • Press "Menu" on the remote select the "Magic Focus" option in the Video menu or press the "Magic Focus" button on the front panel to adjust the convergence of the three picture tubes that create the proper color for the picture. Pressing the button on the TV initiates the automatic adjustment, and accessing the feature through the Video menu allows you to choose automatic or manual adjustment, though the "Automatic" setting must be selected for the button on the front of the TV to begin the process.

  • Aug 04, 2011 | Hitachi 53UWX10B 53" Rear Projection...

    1 Answer


    Magic focus button don't work or datas never reaches 100%.Tv have a problems,known as a convergence problems,it dead.Tv have colors lines R,G,B mis alingments,have colors shadows pictures or a 3D pictures look alike?The tv have a dead convergence board.The tv convergence board have 2 STK convergence ICS and some or all of it resistors are dead too.These parts on the tv convergence board,must be replaced to solved the tv convergence pictures problems.The shop,will cost like $300-350 for parts and labors.

    Dec 04, 2010 | Hitachi 53SWX10B 53" Rear Projection...

    1 Answer

    Out of focus and the magic focus will not finish and give a 4 on the botton right of the screen

    Hitachi tv magic focus will not finish and the picture is out of focus, what part needs to be replaced?

    Jan 05, 2010 | Hitachi 53UDX10B 53" Rear Projection...

    1 Answer

    Not focused

    Please! Stop using the magic focus now!
    There are internal parts that have failed and this requires attention by qualified personnel.
    The more you hit the magic focus, the more the proper calibration points will go off the mark, since the computer only knows that the calibration is incorrect, but is unaware that the parts that DO the calibrating are defective.
    Sometimes this will make the repair more difficult, since a major maual recalibration may be necessary if the registers "rolled over".
    If no one had touched the magic focus and just called for repair, the set would just need the parts. Once replaced, the set would look normal. Yours will require a few more steps.

    May 03, 2009 | Hitachi 53FDX20B 53" Rear Projection...

    1 Answer

    My pic on my big screan is giving a shadow look.. not sure what happend.. stared 1wk ago..

    If you mean the images have red green or blue outline then yo have a convergence problem, Try magic focus. If that doesn't work you will need conv ics replaced .

    Apr 26, 2009 | Hitachi 50UX57B 50" Rear Projection...

    1 Answer

    53 Hitachi Rear Projection TV with shadows and double images

    Does the magic focus work on your set ?

    If it doesn't you must replace the convergence Ic's with a kit that is available through your local parts distributor

    You must replace all resistors in the kit
    If you are not good at soldering and de- soldering have a local tv shop do it for you

    Good luck

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    Hitachi Mode; 53UDX10B

    Jul 06, 2008 | Hitachi 50UX57B 50" Rear Projection...

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    Model 53fdx20bv2f012705

    I have the exact same just explained it a hell of a lot better than me. In the magic focus was red broken up, blurred and flashing as well as only 3 bars???
    If you solved your problem could you please get back to me.
    Thank you

    Apr 16, 2008 | Hitachi 53FDX20B 53" Rear Projection...

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    Hitachi 51inch Projection

    Wait until warm and try Magic focus

    Dec 07, 2007 | Hitachi 50UX57B 50" Rear Projection...

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    Blurred screen

    unit needs convergence ic's replaced.They are stk392-150 which is an upgraded part.

    Feb 18, 2007 | Hitachi 53UDX10B 53" Rear Projection...

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