Question about Hitachi 60SX12B/13K 60" Rear Projection Television

1 Answer

Projection T.V. Picture

The picture on the T.V is bowed toward the center, with the top and right side bowing the most. The bottom and left side are not so noticiable, and there is double picture(the 3 colors aren't lined up right)

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  • samw4444 Apr 03, 2009

    Same problem. Is it similar to "blue line won't adjust" post for the same TV? Looks like there is a suggested solution but that one person tried it and it did not fix the problem.



    I also noticed the TV used to correct itself (sometimes on its own, sometimes after a hard whack on the side), so wondering if it's something mechanical? I'm about to open it up and see...

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  • Hitachi Master
  • 5,138 Answers

Replace Both of your STK ICs convergence ICs STK392-110 use 150s Better ICs Call Mats 1-800-628-1118 Also RK42 RK46 RK48 RK50 RK54 RK58 RK60 will have to get back to you on resistor values

Posted on Dec 05, 2009

  • ladywinn
    ladywinn Dec 05, 2009

    After you replace Both ICs and Resistor RK42 3.3ohms RK46 1.8ohms RK50 2.7ohms RK54 1.5ohms RK58 3.9ohms and RK62

    2.2ohms you then can adjust convergence if Needed by pulling off Front bottom Panel Board Their in Front of your convergence Board is a small blue contact switch with TV on press for 5secs then release you should now have Convergence Pattern showing!

  • ladywinn
    ladywinn Dec 05, 2009

    Then you may need to just resolder your ICs if it corrects itself at times,and resoder any poor connections you see on Board .

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1 Answer

Picture Bowed towards the center


It is a convergence problem, probably one of the convergence ICs has blown and must be replaced. Call the number in the last pages of your user manual to get repair service in your area.

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Do you mean that at the top of the picture, the red color has shifted downward, bowed towards the center? If that is what you see, one color suddenly bows toward the center on any side of the picture, then it means that one of your convergence IC's has burned out and needs to be replaced. It is a good idea to go ahead and replace both STK392-110 IC's with the newer improved STK392-150's. If you have never replaced convergence IC's and realigned the convergence circuits in a projection TV then allow a qualified tech to handle it for you.

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