Question about Sony KP-43T90 43" Rear Projection Television

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GHOST IMAGE ON KP-43T90

GHOST IMAGE ON MY SONY TV, PLEASE SUGGEST ME HOW TO FIX IT

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  • Richard Hutchinson
    Richard Hutchinson Mar 29, 2008

    How do I get into the service RGBS menu to adjust convergence??

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1 Answer

This problem is caused by the pal 50 - 60 meg problem, the sony runs at 50 megs, if you have a 60 input from an hdmi lead you will get ghosting

Posted on Apr 04, 2008

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Tv not coming on blinks 4 times sony kp-43t90


Vertical deflection problem. IC1509 ( vertical Output ) or Q1505 ( Vertical Buffer) needs replacement.

Nov 27, 2009 | Sony KP-43T90 43" Rear Projection...

1 Answer

Double vision on a sony kp-43t90?


you likly have a convergence problem (is that a crt projection TV?)

Sep 18, 2009 | Sony KP-43T90 43" Rear Projection...

1 Answer

Double image ( Ghost image )on Sony KP-65WS500


Replacing the Convergence ICs should fix the problem. They are located on the Deflection board. Sony has used a couple of different ones over the years I think they are STK-392-120's but please do not hold me to it.
Hope this helps,
Skyassoc

Jun 25, 2009 | Sony KP-65WS500 65" Rear Projection...

1 Answer

Tripe image, blue, red and green color on image, not focus


you will need to replace the two STK392-560 ICs and also check the 4.7 ohm 1/2 watt resistors and the six 3.5 amp pico fuses.

May 05, 2009 | Sony KP-57WS510 57" Rear Projection HDTV

1 Answer

Double image on my Sony KP 43t90


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Feb 22, 2009 | Sony KP-43T90 43" Rear Projection...

1 Answer

Television is out of whack


Convergence chips are bad. Goto www.TvRepairKits.com to get a repair kit

Jan 20, 2009 | Sony KP-43T90 43" Rear Projection...

1 Answer

Sony KP 43T90 Projection TV - use headphone


so u bought red white femail rca cables to mini sterio jack or bigger headphone style make sure tvs menu shows outoput on audio out on if u have option should be all it needs turn tv up after

Oct 06, 2008 | Sony KP-43T90 43" Rear Projection...

1 Answer

Sony KP-43T90 43 in TV only works with DVD but not with cable or antenna


Connect cable at RF input and please perform Auto Search in TV Menu to search available TV channels transmission and still no signal reception means Tuner is defective in TV.

Sep 04, 2008 | Sony KP-43T90 43" Rear Projection...

1 Answer

Sony tv


The issue is most likely a bad bulb. If the light that you are getting is flashing red than most likely it is a bad lamp. If this is the case you are looking at probably $200-350 dollars.

May 10, 2008 | Sony KP-43T90 43" Rear Projection...

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