Question about Sony KP-57WS500 57" Rear Projection Television

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Blue deflection when tv just turn on it show with right color mixture for 10second after screen become very blue or saturated

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  • otbspill Sep 18, 2008

    Picture is fine for the first minute when tv is turned on. Then it turns all blue, after about 20 minutes the picture slowly restores its self. What to do???

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I would suggest to click here to find information on the problem you have with your TV.
If the adjustments do not work, it means that the blue tube is defective or the video amplifier IC.
Good Luck.

Posted on Aug 21, 2008

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Posted on Jan 02, 2017

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TV has multi color lines and a circle when I turn it on


Sony rear-projection TVs provide a large-screened entertainment solution for your home or office. Unfortunately, color problems and yellow and blue spots and saturation can occur on the face of the Sony rear-projection TV. These problems can be the effect of damaged cables, electronic interference from other devices or dirty lenses on the inside of the rear of the television set. You can troubleshoot for these problems and make satisfactory repairs without the help of a repairman. No experience with Sony rear-projection TVs is necessary.Step 1
Check the audio/video cable that connects the Sony rear-projection TV to the cable or satellite receiver. This black cable has a number of multi-colored plugs on each of its ends. Ensure that this cable is not visibly damaged in any way, and that each of the plugs is in good shape and is not bent. A damaged audio/video cable will negatively affect the quality of your rear-projection TV's display and may lead to yellow and blue saturation problems and various other display irregularities.
Step 2
Ensure that there are no other high-powered electronics in the close vicinity of your Sony TV. Speakers, computers and other similar electronic devices use a large amount of power and in turn may give off a lot of electronic interference. This interference can cause problems for your rear-projection TV's screen, such as color blurring and similar color issues. Move any such potential devices to an area that isn't as close to your Sony TV. The color blurring and yellow and blue saturation problems should then decrease over time.
Step 3
Unplug the TV if problems persist. Ensure that the Sony is completely disconnected from all power sources. This is for your safety.
Step 4
Place a towel on the floor of the area where you are going to operate on the TV. Carefully turn the TV facedown on the towel, so that the rear of the TV is facing upward.
Step 5
Remove all the screws from the back cover of the television set using a Phillips screwdriver. Remove the back cover piece by working around the edges with your fingers and gently prying the piece off.
Step 6
There will be three upright lenses in the back of the television. Cleaning these lenses can alleviate picture quality problems and color blurring. Use a soft cloth and soap and water to clean the lenses of the television. Avoid using any other cleaning solutions, as soap and water is the only universally recommended cleaner from rear-projection manufacturers like Sony.
Step 7
Ensure that the lenses are dried. Replace the back cover of the rear-projection TV and reinsert all screws using the Phillips screwdriver.

Jun 19, 2016 | Televison & Video

1 Answer

After cleaning the lenses on my 60P8342a tv and turning the color buttons in the back my tv is shutting off and on and I have a flashing power button, no pic or sound at times


How long was it back befor you turned on this potentiometers ?

Dust and more can be come into the potentiometers of a crt (cathode ray tube) projetion tv in the years that its old it is not strange.
Ist an older kind of model of projection tv.

Treat them with contact spray , also not only red the r g b potentiometers but all the potentiometers that are parts of the convergention panel. and adjust them on a screen with the base saturation of color to zero so you adjust a good gray tray with a balans without a red brown or green or blue surplus so that you have white gray black in balance if you have adjusted , tur back on the basic color saturation to your prefered level.

Chances are pretty good that the weather will be fine.
To see some brown spots on the board and replace any carbon composite resistors for carbon or metal film resistors in the print because of high tolerance over this kind of resistance.

Feb 21, 2016 | Televison & Video

1 Answer

I have a HDTV 524159 RCA, it has an hour-glass effect on both directions. On the left side, it hour-glass inward with red and yellow stripes and on right side blue and light blue stripes. It hour-glass...


Hi Sandy, the problem with your TV is called "convergence". It can be a problem with the convergence board or more likely in this model in the power supply or deflection circuits. Unfortunately, troubleshooting by a technician is required.

Apr 22, 2010 | RCA HD52W59 HDTV Projection Television

2 Answers

No Red color at all. The convergence feature does not work either. Lots of green and blue RCA Model D52W59


Red color gun has failed, which will make the picture over saturated with the other two colors(blue,green) the bad news is the three color guns need to be replace in a set(all at the same time) because if you only replace the red it will over saturate the older blue, green guns then your picture will be mostly red.Unfortunently in most cases it's not worth the investment, better off to purchase a new tv. Good luck !

Nov 28, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

My tv 65rpwv600 just starts showing a blue colors on screen and after that it turns BLUE. i can't watch it but i can hesr it and also before this problems some very light lines (horizontals) were on the...


you either have a screen control drifting or a bad blue crt
you can access the screen controls behind the speaker grill and the black cover behind it the blue will be on one end or the other
there are 6 controls three are focus three are screen
turn the blue down slightly and see if it clears up before it shuts down the deflection if it continues to drift you might want to order a screen controls block and change it out

Oct 27, 2009 | Sony KP-65WV700 65" Rear Projection HDTV

1 Answer

Xbox 360 60Hz over-satured and displaced colors (normal TV, non HD).


Make sure you have the right colors wires in the right ports

Sep 01, 2008 | Microsoft Xbox 360 Console

1 Answer

Here we go again


Sounds like a deflection problem you will need to troubleshoot the deflection circuit.

Feb 26, 2008 | Panasonic PT-47WX53 47" Rear Projection...

2 Answers

Screen/Picture Flickering


alo all..

i got problem wif my TV... sony wega trinitron 29inch..

- last 2 night... the TV @ screen slowly lost color for 2-4second... and after that it suddenly turn off for 5-10second and turn back on itself. the led blink 3-5times....

what the problem to my TV?

Jan 09, 2008 | Sony KP-46S25 TV

1 Answer

Screen Color Looks Like a Rainbow


Good day.
The problem includes malfunctioning of you units deflection yoke, color circuit and failures in the chroma system.
Have it check by a repairman.


chris

Aug 04, 2006 | Toshiba 36A40 36" TV

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