Question about Sony KP-43HT20 43" Rear Projection HDTV-Ready Television

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Convergence on KP-43HT20

How much does it cost to repair convergence problem?

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Between 400 and 600 depending on the shop. You can do the repair yourself if you can solder. You need to replace both STK392-560 ICs and maybe a couple of the 4.7 ohm 1/2 watt resistors. You can get replacement ICs and resistors at the following link and they provide free instalation instructions with pictures so you can do it yourself. Here's the link
http://servicemanuals.vstore.ca/

Posted on Jun 21, 2008

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The picture on our Sony TV Model KP-43HT20 recently became distorted, concaving at top and bottom. If I use reset the Flash Focus, the picture will return to full screen side for awhile but the colors do...


The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergene board have dead 2 STK convergence ICS and some or all of it resistors are dead too.These parts on the tv convergence board,must be replaced to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Jan 15, 2011 | Sony KP-43HT20 43" Rear Projection...

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The picture all of a sudden became blurred , color convergence is not aligned and there is a pink wave at the top left of the screen and a green wave at the bottom of the screen. When the color is adjusted...


Tv have convergence problems,it dead.Colors lines R,G,B don't aligned.The tv convergence board is dead.The 2 STK convergence ICS and some or all it resistors are dead,these parts must be replaced to solved the tv pictures covergence problems.The shop,will cost u $300-350 for parts and labors.

Sep 18, 2010 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Colours are not matching up causing a double picture


Convergence is dead.Must replaced 2 Convergence ICS,and some or all the resistors.Know how to solders?Tries Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300 for parts and labors.

Feb 18, 2010 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Colors displacement


Ur convergence is dead.Must replaced 2 convergence ICS,and some or all the resistors that also dead.U Know how to solders?Buy the convergence kit at Tv repair World.com,Tvrepairkits.com can repair it ur self.Or the shop will cost u $300 for parts and labors.

Feb 10, 2010 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Kp-43ht20 sony projection convergence issue with RGB


There should be a setting in your menu to adjust the convergence. if you have no luck correcting it this way you will need to have a repair center look at it.

Oct 04, 2009 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Sony tv


if you go into the convergence mode in the customer menu does the red convergence adjust? if it does not you have a bad convergence Ic--set uses two of them, have both replaced and set adjusted and you will be back in business---if this is helpful give me a vote; if you need more direct help-----------: etower.766@netzero.net

Aug 11, 2009 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Sony KP-43HT20 Rear Projection


You have a convergence problem;

Just click below for convergence repair kit;

http://servicemanuals.vstore.ca/

Blue wave coming up frpm the bottom of the screen on the lower left symptom is for busted convergence IC,you must replaced this IC in order that will works better again.STK 392-xxx ICs and it's associated resistor,this resistor automatically change value,can caused truoble even though you change the ICs.If you bring this to a service center they cost you $600 to $700,but if you buy the repair kit you can save more,don't wory it is very easy because there is intallation guide including in the repair kit. Feel free to ask whatever the result... click the link for sample picture guide step by step installation;

Hope this may help;

Regards,
VOTIT
DON'T FORGET TO RATE;

Sep 19, 2008 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Blue and red color are off, picture is not clear


convergence amp ic bad
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/

Jan 29, 2008 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Sony KP-43HT20 convergence problem


Replace STK-392-110s or 150s upgrade with 180s replace both ics.

Jan 04, 2008 | Sony KP-43HT20 43" Rear Projection...

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