Question about Hitachi 53UDX10B 53" Rear Projection Television

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Help please,.... I saw that you were reated hi in the answer section. i have a question. i have a hitachi 53udx10b rear projection tv. I had a convergence problem, my red went every where. it was stretched out like it was on a different aspect ratio. after some research i found out that the most likely problem was the Semiconductor STK392-110. i ordeered two up, spent some time replaceing them adn fired up the old beast. after the install, the picture was much better, but it still wont line up the red light, i pushed the service only button and came to the realization that the red projection was still slightly wider than the others, my question is this. is there a programer, or procedure that needs to be done if the magic focus is still not able to get the convergence in line?? thank you in advance for any help you might have.

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  • James Nov 23, 2008

    where might i find info on what hitachi recomends?? thank you for the help.

  • James Dec 05, 2008

    thanks to all for the great help, i fixed the tv tonight, my resistors were on back order, i recieved 3 of the 6, i ended up replacing only one, it looked burnt and measured out of spec. after that, magic focus and shazam!!! i hooked everything up and heard the wife call from upstairs "HONEY, THERE IS WATER IN THE BOTOM OF THE DISHWASHER!!!" WILL IT EVER END???

  • rails0404 Dec 09, 2008

    Hi I have the same Hitachi all of a sudden when I turned it on the red doesn't match up and is shadowing everything. What did you have to do to fix this problem? Any help would be greatly appreciated. Thanks



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Did your replace the convcergence feed resistors along with the ICs? As Hitachi recomend replacing the six feed resistors along with the ICs as often the old resistors will blow or increase in tolerances when the old ICs go out.

Posted on Nov 22, 2008

  • Sonny Berry
    Sonny Berry Nov 23, 2008

    The resistors are;

    RK42 3.3 ohm 1watt

    RK46 1.8 ohm 1watt

    RK50 3.3 ohm 1watt

    RK54 1.8 ohm 1watt

    RK58 3.9 ohm 1watt

    RK62 2.2 ohm 1watt



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