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

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I have a sony kp-46wt520 with convergence problems, mostly red

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  • Sony Master
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The SONY type 1 convergence kit should fix that issue. The kit has the parts and the instructions on cd at the following link.
http://www.tvrepairworld.com/

Posted on Jul 18, 2009

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Posted on Jan 02, 2017

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2 Answers

Confrosting lines on my Problems with Sony


Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Below are more details for both items. Also, complete repair kits with instructions and repair support are avail from site such as www.TvRepairKits.com

Common Problem #1) Convergence has gone out

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 projection 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. The power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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69189a5.pngSOLUTION #1

What you will need to do is convergence. You can get a repair kit from TvRepairKits.com . It includes replacement parts,step by step instructions, support, etc.

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

What you will need to do is replace the coolant and clean the crt. You can get a repair kit from TvRepairKits.com . It includes replacement coolant,step by step instructions, support, etc.

Dec 20, 2009 | Sony KP-46WT520 46" Rear Projection...

1 Answer

5 blinks on a sony wega KP-46WT520


needs convergence chips, stk392-570, and possibly one or more blown picofuses, you probably need a tv repairman, extensive soldering required.

Sep 15, 2009 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Sony 46" blue and red colors don't line up


This would be a convergence issue, I would have someone come in and reset it for you or if it needs repair to do that.

Jun 29, 2009 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Sony HD Projection TV - Picture bent and seeing multiple colors


This is due to failure of convergence out ICs that need to be replaced in D board.
If you are comfortable with TV repair let me know to provide you technical info to fix TV.

Apr 17, 2009 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Sony KP-46WT520 Standby Blinks 10 Times


High voltage in TV got problem and thats why TV gives 10 time blink error code.
Qualified TV tech will fix it as its bit complicated fix.

Apr 15, 2009 | Sony KP-46WT520 46" Rear Projection...

2 Answers

Flasing standby light


hi, this is a power supply board failure. it will have to be repaired or, replaced.

Feb 11, 2009 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Light flashes 9 times


that means it has an audio error.

Dec 31, 2008 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Sony kp-46wt520


There are 762 parts available for this model. If you have the specific part number, they will likely have it. If you need help you can call them.

http://www.partstore.com/Model/Sony/Sony/KP46WT520.aspx

Dec 30, 2008 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Should i have this fixed or buy a new tv?


OK LOOK IN YOU STK RESOLD YOU IC STK AND BE FIX

Dec 29, 2008 | Sony KP-46WT520 46" Rear Projection...

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