Question about Hitachi 57SWX20B 57" Rear Projection Television

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Hitachi 57SWX20B 'blue ghost'

Have the 57SWX20B projection HDTV from Hitachi (almost 5 years old) - xlnt performace so far... since last night we have a blue ghost etc in the pictures... tried the magic focus (does not help, ends with # 4). What am I looking at in trying to fix this? Please e-mail me your response to tubai4@hotmail.com THANKS! DJ Same problem.Hitachi 53SDX20BB 6years old. Red ghost .Used auto focus and it stops in red then flashes a #5. What is a convergence i.c. and can an electrical novice fix/replace it or am I looking at sending someone on a vaca to Vegas?

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You will need to replace the convergence IC's and some resistors in the convergence circuit. the IC's are STK392-150. if you don't have any experience in TV repair then have a tech repair this for you. you may pay as much as $325.00 for the repair. I'm sending you the service manual so that you can arm yourself to those who may take advantage of you. this 18mb manual I hope it reaches you.

Posted on Feb 18, 2008

  • Robert Johnson Feb 18, 2008

    this is the most common repair to rear projection tv's. the ic's have large heat sinks to keep them cool but they work very hard so they will fail eventually. when they fail they take some resistors with them. the convergance schematic will help in finding the bad resistors.

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Hello sir....
ever tried adjusting the antenna/cable connection! if it doesn't help, have it to a reliable repair center, alignment of its cylinder migth be needed. or you could try messing up with its inside circuitry by yourself...

Posted on Feb 18, 2008

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Hello sir

Posted on Feb 18, 2008

  • Mohamed Ismail
    Mohamed Ismail Feb 18, 2008

    I need to clarify with certain aspects to give you the best solution, so please co-operate with me.



    Do u get the color at the corners of your television...?

    Do u have speakers near your television set...?

    What electronic appliances is kept surrounding the tv set..?



    Thankyou


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1 Answer

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SOUNDS LIKE A CONVERGENCE PROBLEM. COMMON FOR REAL PROJECTIONS. MAYBE A $300-$400 REPAIR, BUT WORTH IT. THIS A HIGH QUALITY TELEVISION.

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

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http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

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