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Question about Hitachi 43FDX01B TV

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Blue wave shadowing

Picture is clear but in the upper left corner of the screen it has a blue wave that shadows everything in the general area. i have went through the advanced setup where you hold the convayence and input on the remote and when you hit the pip all the grids are square except the blue grids it appears to be bent in the area i described. is this repairable and worth it????

Posted by Anonymous on

  • 3 more comments 
  • Anonymous Feb 11, 2007

    Thanks I have located replacement STK392-150 IC and will install them when they arrive. I am a excellent parts replacer but a little foggy and how it works. I Figured why not fix it myself

  • Anonymous Feb 16, 2007

    Replaced the IC's and Boom worked excelent. had to adjust the convergence in the service menu and clear as a bell. are their any fluids that need changed on these units?

  • Anonymous Mar 25, 2007

    ok that works well and as of now if i turn the unit off i have to go and set the Convergence every time? why may i ask

  • Anonymous Mar 26, 2007

    ok the problem is back, evedently the ic's are going out again after 1 month, i did not change any resistors because they looked fine but i must be mistaking. they are resistors close to the ic's is that the ones that need changed?

  • terry227 Dec 06, 2008

    Any new DIY solutions for the wave problem?



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  • 192 Answers

The convergence Ics need replaced. In Hitachi, resistors and sometimes a coil needs replaced as well. The convergence/deflection PCB is available, but, the cost of that board is higher than having a servicer come to your home and repair the unit to component level. If you are not familar with this circuit, then call a servicer. Have them replace both ICs not just one. Make sure they are repairing to component level and not replacing the board. Hope this helps.

Posted on Feb 11, 2007

  • Anonymous Feb 18, 2007

    Good Job.
    No, you do not need to replace the fluids in this set.
    You have done everything that needs to be done.

  • Anonymous Mar 25, 2007

    When you go into the service menu, there is a procedure to save the settings and make them the default settings. If you have access to the service menu, then, you may know the way to save the settings.
    I don't have access to the service manual today. Try converging in the service menu and push the button inside the set to save and get out of the service menu.
    If you can't find a way to save, then reply back and when I'm back in my shop next week, I'll be able to help you out.



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Related Questions:


The left side of the screen has a curve in the picture and there is a blue shadow on the following everything in the picture

you have a convergence problem
there are a couple ics that are used to correct this
it will require service
usual cost in my area are 280 to 320
check with a local servicer in your area

Distorted Color and geometry of Picture

replace stk 392-110 ( or stk 392-150 same number) , check resistor 2.2 ohms for open or burn beside STK IC's

Picture has a blue shadow

Seems convergence out IC is fried in TV so it gives blue shadow.

Check out Convergence Out IC which you need to replace in TV, if you have enough experience of repair of big TV, necessary tools and know basic electronics.


Blue shadows appear to be behind white objects

TV shows large red spot in middle of tv when dark show are on, you can see it more.  Now blue spots on upper right side too.  Spend way to much on this tv to have these kinds of problems only after 3 yrs.

Shadow issues

You need to replace both convergence ICs they are both STK392-110 you can get replacement ICs at the following link with free instalation Instructions with pictures. Here is the link.


Hi there

Is it a LCD or DLP ?

First try using a different cable. If the problem stil occurs this might be a faulty Mainboard - which would need either repair or replacement.

Does the discolouration show in the startup screen as well ?

Hit 53UWX10BA

convergance ic bad

RCA 52" HDTV Rear Projection TV MM52110JX1

Replace FL231 400ma fuse. this will fix your problem.
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