Question about Hitachi 43FDX20B 43" Rear Projection Television

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TV problem I have a Hitachi Tv and have a problem with the convergence from what i have seen you said.  Where can i get the IC STK392-150?  I have looked on line but can't find it.  Email me please  jfranck1175@yahoo.com

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Cathray 416-241-1106

Posted on Nov 19, 2008

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Tv is not turning on. Can hear it click, acts like it will turn on, then nothing.


The convergence ic may be damage try to check the resistance of ic pin if their is a shorted, you can compare the resistance to other convergence ic. it is attached to a large aluminum plate and has a marking of stk-****followed by a number. but be sure to unplug your tv before doing this.

Jul 03, 2011 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Hitachi 46f500 46 in problem double picture end two collor


This is symptom of convergence output chips failure in rear projection tv, replacement of convergence output chips will fix the problem.
Chips/ IC replacement requires soldering work in circuit board, if you are not familiar with electronics stuff fixing an soldering work, call local tv repairman to help you.
Thanks.

Oct 26, 2010 | Hitachi 46F500 46" Rear Projection...

1 Answer

My Hitachi TV Model #51F500 is showing shadows and double lettering (in other words a terrible picture). Please help.


This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

Nov 05, 2009 | Hitachi 51F500 51" Rear Projection...

1 Answer

Hitachi 50ux26b projection TV, the color lines separated...


It sounds like a convergence problem; either bad solder connections at one of the convergence Ic chips or a bad Ic. if this was helpful give me a vote----if one of the chips is now bad it will have to be replaced(usual thing is to replace all the convergence ic chips---most use two and a few 3.

Aug 12, 2009 | Televison & Video

1 Answer

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.

Dec 18, 2008 | Hitachi 51SWX20B 51" Rear Projection...

1 Answer

Hitachi 55inch projection tv with blue shadow.


Blue Convergence Ic is defective. let me know if you need to know where to get a replacement IC

May 04, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

43UWX10B problem with green


if you have a 2 IC convergence chassis they dont control the green , However if you have the 3 IC chassis the green is controlleed by the third IC these are usually STK4275 or simallar single amp ICs. Which type chassis does your hitachi have? Its possibly related to the digital convergence board if all resistor near the ICs are good. Do you have the service manual? I can post a link where you can get the full service manual if you need one

Mar 29, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Video problem


convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 09, 2008 | Hitachi 51F500 51" Rear Projection...

4 Answers

Colors all messed up


The fact that you used the term "magic focus" tells me you have a Hitachi projection set. When the colors no longer line up on a Hitachi projection TV, it means that most likely one of the convergence output IC's has shorted out. Sometimes a shorted convergence output IC will burn up a low value resistor too. I have also seen a convergence IC crack loose from the board and burn up 3 low-value resistors. If your set is using the STK392-110 IC's, it is probably a good idea to go ahead and replace both IC's with the newer upgraded STK392-150 IC's. The output IC's should be resoldered / replaced and the circuits checked and realigned by a qualified tech familiar with Hitachi projection sets.

Sep 09, 2007 | Hitachi 61SWX10B 61" Rear Projection...

1 Answer

Tv turns itself on and off


Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Nov 10, 2006 | Hitachi 51SWX20B 51" Rear Projection...

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