Question about Hitachi 43FDX15B 43" Rear Projection Television

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The picture was fine and now there seems to be a blue shadow

There is a blue shadow and makes everything seem x2. Its like the convergence is off but the probnlem is not fixed by adjusting the convergence on the tv. Checked cable and DVD and the picture is the same. Is this a lamp problem ?

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This for a Hitachi is a somewhat unusual model--if the convergence will not adjust (in your case blue) one of the two STK-392-120 CONVERGENCE IC'S is bad.

This is a fairly easy set to replace these on---I can tell you how if you know how to solder etc. Most of the time only the 2 chips need to be replaced and the set adjusted---sometimes there will be a burnt or discolored resistor near the chips that also needs to be replaced---total repair should take about 1 hour and you can buy the pair of chips on Ebay for less than 14 dollars plus shipping.

I am here to help people---if you have ANY questions or need advice reply to this posting here and I will help you.

Regards, SD TECH

Posted on Oct 03, 2009

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You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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Color Alignment


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second:there is a circuit in the tv that works when the tv turns on every day. prevents the tv showing shadows on the screen.
the answer is this: if that system that prevents shadowing is working then the CRT is broken and say bye to the TV. But if the expert tech can make sure the D' gauss system is not working and can repair it then you get tv back.

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Picture has a blue shadow


Hi,
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.

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You have 2 distinct problems that should be addressed separately. Please repost the Samsung problem. I will address the Sony problem here.

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Dan

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I have a red and blue shadow in my picture


i think you need a new convergence board they rin from about 88.00 to about 140.00

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Everything on the screen has a blue shadow


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http://servicemanuals.vstore.ca/

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