Question about Sony KP-46WT520 46" Rear Projection HDTV-Ready Television

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Sony KP-43HT20 Rear Projection

We cannot get the red to match up with the other 2 colors. Otherwise beautiful picture

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  • bgary13 Dec 13, 2008

    I've got the same problem with sony kp-43ht20.I manually adjusted the convergence settings inside the set ,helped alot ,but not completly the red is still not quite lined up

  • bgary13 May 11, 2010

    do you replace all 3 ICs or just the one for the red bulb?Thanks

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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;

Posted on Sep 19, 2008

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1 Answer

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...

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 don't line up, and screen is distorted on a sony KP43HT20


Problem #1) Convergence

Symptoms:
  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

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

Dec 08, 2009 | Sony KP-43HT20 43" Rear Projection...

1 Answer

My tv has a red shadow behind everything on the screen. It looks out of focus.


Your red projection tub has lost it color and giving out. Not a cheap fix.

Nov 26, 2009 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Green hue on KP-43Ht20 Sony rear projection tv


Behind the front cover you will see a little plastic box with six phillips headed dials. They only move 180 degrees. The three on the bottom control color richness and the three above them control focus. Turn all three of the bottom ones to the left while the TV is on, then gradually turn them to the right until you get the color you want. NOTE if any one of the three bottom dials are too far up the TV will shut down and will continue to turn off after about 10 seconds after start up until the offending dial is turned back a little.

May 17, 2009 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Sony KP-43HT20 Projection TV


5 times blinks is error code for No Good White Balance and you said that picture is very green.
As you know TV is approx 7 years old so it needs RGB gain adjustments.
If you are TV tech person or know about TV repair, let me know to guide you further. Or contact local TV repair shop to fix it.

Oct 26, 2008 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Sony color rear video projector KP-43HT20


get the tv degaused that should fix the problem

Jul 23, 2008 | Sony KP-61V45 61" 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...

3 Answers

Sony KP-43HT20 ghosting effect.


may have bad convergence amps stk392-560 board location Ic8001 Ic8002 or the dcu unit is bad or the alignment drifted off and it needs service adjustments made to it.

Dec 28, 2006 | Sony KP-43HT20 43" Rear Projection...

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