Question about Hitachi 43FDX20B 43" Rear Projection Television

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Hitachi Model 43FDX20B

A little background to the issue I have. I bought my Hitachi 42" projection back in 02' and it has worked great until today. I turned it on this morning and noticed that the picture has only pink and green colors with a little bit of a double image on certain channels. I've heard that this could be one of the circuit boards inside and perhaps the convergence circuit is bad. Is this the case? If so, I would like to repair the board myself, but don't know which convergence IC's and/or components to change on the board. Any help will be greatly appreciated.

Thanks, Steve

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  • Steve_Mi Mar 04, 2008

    When I use the Magic Focus the screen goes to the Red screen test with no problems and then it goes to the Green screen test. The screen looks a little skewed and it doesn't finish the test(it just stops and never gets to the Blue screen test).

  • sandersdeb Jul 21, 2008

    red or pink and green on more than a quarter of the screen and some distortion of image.

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Convergence IC's are at locations IK04 and IK05. There are some resistors that will be burnt up on the board as well. Replacement IC's are stk392-150, and are easily purchased, even off ebay. For the resistors you may have to get the location numbers and research the value. If you need the resistor values you can email me and I will get you the info.

Posted on Aug 06, 2008

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What happens when you use Magic Focus after the set has been on for at least 20 min,?

Posted on Mar 04, 2008

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You can find OEM IC's for this model (43FDX20B) from a major Hitachi parts distributor on the link below:

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If you contact them and provide the generic number or location number of the IC, they should be able to provided you with the needed parts.

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Hitachi 43fdx20b


well i had the same t.v. and u will have to set the picture tube which is really simple it ight seem hard but if you need an hand give me an call 1-403-362-2560 and ask for jason

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