Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television

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Kp-46wt500 blue curtain on picture.

Tv doing well until one day a blue line (like a curtain hanging) appeared on the right corner. connections ok . reset done. problem persist even with different inputs like dvd and playstation. please help.

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Re: kp-46wt500 blue curtain on picture.

Hello kluverbucy,

Can you post a picture of this problem? It will help with the diagnoses of the problem.

Thank you,

Posted on Oct 26, 2007

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My Sony KP-46WT500 has a yellow arc of color on the upper left side that never goes away even with plug in devices like Wii. It started about 6 months ago and has gotten worse over time. What can I do?...

Very common problems,through out the DLP tv life cycles could happen again again until end of the tv life itself.The tv have a problems known as a convergence picture problems,it is dead.Tv have any colors lines like R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?Yes?Than the tv convergence board it is dead.The tv convergence board must have it components parts replaced like 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The Shop will cost u like $300-350 for parts and labors.

Aug 03, 2011 | Sony KP-46WT500 46" Rear Projection...

2 Answers

My Sony KP-46WT500 screen shows the tv image in blue only for a few seconds, then it goes completely blank (as if it were off). Do I need to replace the bulbs?

It is rear projection TV that use 3 picture tubes of red-green-blue to show color picture on tv front screen.
Do you see standby red light blinking when TV shuts off after showing blue image for a while?
If red standby light is blinking, please count it how many times it blinks, there would be 3 seconds pause between blinks so count pause to pause and post it here to find out possible solution.

Dec 22, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

I have Sony KP-46WT500 Projection TV. For some time it appears convergence went bad. I see multiple images, especially at edges and corners. As many as 3 images Red, Blue and Green. I am an Electronics...

It would be great to assist you in Sony convergence issue.
As you said, for some time TV shows bad convergence in picture that shows its matter of lose/ dry solder joints in D board, specially on convergence out ICs pins that need to be re-solder.
There are 2 big black ICs mounted on aluminum heat sink on D Board of TV, below image shows D Board location in TV.
Resolder pins of these 2 ICs and also check any other dry/ cold solder joints in circuit board. I do not think of IC replacement as problem occurs some time.
Let me know if you have additional question.


Dec 20, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

I have a LG TV and suddenly blue lines are appearing with slight blue background

blue CRT is shorted crts are no longer available you can have them rebuilt but they never look very good you might want to retire the set

Dec 04, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Blue Horizontal arching lines, Blue hue at power on

if you take the front cover off the tv, you will see 6 little nobe, the top 3 are focus, bottom 3 are brightness, should be RED-BLUE-GREEN in order from left to right, find the one that is blue, turn it down a quarter turn, should fix the problem

Dec 31, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Sony KP-46WT500 Red, green and blue lines appearing on screen

your convergence IC;s are out, they cost about $40, if you know how to solder, you can do it your self, if not , I would try to find somone that can, service centers charge about 4 or 5 hundred, after you get the new ones, there easy to find on the board in the back of the tv

Nov 26, 2008 | Sony KP-46WT500 46" Rear Projection...

3 Answers

Green lines appear on the screen when dark picture is shown. Others have the same problem but can not figure out how to remove the front cover. Please help us

The front panel normally has some screws that need to be removed from the inside of the set. You need to remove the back cover first and you should see the screws. Then the panel pops off. Good Luck
NC Electronics
Mills, Wyoming

Jan 06, 2008 | Sony KP-46WT500 46" Rear Projection...

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