Sony KP-46WT500 46" Rear Projection HDTV-Ready Television Logo

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

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Fade to Blue (same as Green Arcs?)

I shall assume that my problem is similar in nature to the "green arcs" problem. Bummer. Tyvek's (sp) solution for green arcs will probably be the same for my set (CRT replacement). The screen image is perfect when I turn it on, but then the fade to blue happens, 100% of the time, for 30 minutes. TV is also turning off by itself, like others. If we leave the set on continously. the problem is mitigated.

Posted by Daisy John on

  • djbradp1 Sep 22, 2008

    My 65inch Sony Rear Proj CRT HDTV turns on blue with picture, then fades to solid blue and turns off by itself after a minute or so. Bummer - just the start of the NFL season too. :(

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1 Answer

Anonymous

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  • 150 Answers

You can turn the Screen controls down a little bit, but I suspect you will need to replace all 3 crts as most of these crt arc sets require all 3. EXPENSIVE if crts are even still available.

Posted on Jul 17, 2007

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Related Questions:

10helpful
2answers

When i turn it on the screen turns green then blue and then shuts off

This is one of a group of sets that had bad picture tubes (RED, GREEN AND BLUE).

The tubes are no longer available from Sony and only available on a rebuild basis---very expensive.

There is something easy that requires no parts you can try in an attempt to cure it. Takes about 15 minutes and I can tell you how and what to do.

If this is of interest to you rate this solution as very helpful and comment here and I will assist you.

SD TECH
1helpful
1answer

When the display is dark i get red and green arcs on the screen

Hi,

Color arching is an easy fix. You need a screw driver and some patience removing the front panel. You will be looking for a box with 3 screws on it. This is the color gun. THe scews are Red, Green and Blue color only, however, they usually don't indicate the color on them. Turn the screw (Slighlty) till the arching is no longer there. You have to do this with the tv on.. LOL

Best Regards and Semper Fi....
0helpful
1answer

Red and green arcs, 3-D effect

Convergence is dead.Know how to solders?Replaced 2 Convergence ICS and all it resistors.Tries Tv repair World.com,Tvrepairkits.com for the convergence kit.The shop will cost u $300 for parts and labors.
1helpful
1answer

Blue arc and ghosting across middle part of screen.

Replace Both of your convergence ICs they are big Black ICs will have STK on them! Use STK392-150s or the 180s Better ICs Call Mats Electronics 1-800-628-1118
1helpful
1answer

Green crt arcs ,no picture, sound ok

you either need a new bulb or your bulb is not installed correctly
1helpful
2answers

Phillips Model 60pp920217f

I expect the answer to your question is YES! The convergence amplifiers are a common problem in many projection sets. When you search for the replacements you should find that the originals have been superceded by improved parts. Also be aware that when these parts fail, they will usually damage a resistor in the convergence yoke return path. The resistor must be replaced with one of the correct value or the convergence, though responsive, will be out of range.


If you find my suggestions to be helpful, please share with us some details so that others may benefit from knowing the whole story. Thank you!
0helpful
1answer
1helpful
1answer

Green Arcs

You will need to have all three CRT's replaced. This was a common issue with this year of Sony projection TV's
0helpful
1answer

Green Arcs Problem continues

That model is older than 3 years old. If the lines are mostly visable when you select an input (video 1,video2 etc) that has nothing connected to it and they appear as faint lines that go diagonal then an adjustment wont cure the problem. Some of those set had faulty picture tubes from day one. You might only see green right now but in the futire the red and blue will start showing the same symtom. If pressing the flash foucus and goes through the process successfully then your convergence circuit is most likely ok. The CRT's range in price and now in most cases the blue and the green are no longer availiable and have to be pulled for a rebuild. I personally wouldn't suggest anyone go into the service menu unless they know what they are doing.
0helpful
2answers

Green arcs from bottom up with darkest one at bottom on dark screens

there is a way to get rid of the lines, you need to enter a code from your remote to access a hidden menu. From there you can adjust the lasers in the tv(green lines)I beleive it is very sensitive though, if done wrong can reck the tv. Not sure of the code or directions on how to exactly adjust the lasers, actually looking for them my self. Hope i was some help though!
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