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

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Color Greetings, I have recently noticed that the picture will fluctuate between red, green, and blue on certain chaneels and tghen settles down to a red tint on the channels. I tried to use the flash focus and it seems to hold for a while but just continues the color process until it settles on the red tint again.

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Re: Color

There's a known issue with this set due to defective rgb tubes...
See this forum:

Posted on Jan 10, 2008

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How do you know if you need to replace the fluid? can you show me some pics of good red green blue color or some bad colors

If the glycol is bad, there is a easy way to tell:

Remove the back cover and with the set on use a small mirror--put it over each of the three Lens--red will never be bad this way.

What you want to see is a green picture on the green tube and a blue picture on the blue tube.

If instead of a picture either the green or blue look like a floodlight with no picture--the glycol is contaminated.

What happens is bacteria grows in the blue or green glycol--never the red--for some reason it does not like the red color.

Usually the blue will be the one first affected---picture will have a yellowish look over most or all of the screen (turn the color all the way down and stand back at least 10 feet and look at it,

Changing Glycol involves some important things---this stuff is like antifreeze bit ten times more toxic.

If you find yellow and want to know what is really involved respond to this posting and I will assist you.

If this information told you something you did not know, rate this solution as I do this here for free.


Aug 16, 2010 | Philips Magnavox 9P6034C 60" Rear...

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I cant get the color right. its to red??? any help? i did notice with the back cover off, there are 6 adjustment screws

yes! those are the screen and focus adjustments. 3 for screen, 3 for focus. try this. go in menu....turn down color, brightness, contrast all they way down. you should then have no picture, but in your case a little red. then go to back of tv and turn those 3 screen adjustments all the way down. slowly turn the screens back up until you get barely a picture. because remember, your brightness and contrast is all the way down. the picture should be dim but seeable and with red, green, blue adjustments, make it a black and white picture. when balanced..... turn up color , brightness, contrast in menu. enjoy!

Nov 14, 2009 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Hitachi 61SBX59B 61 inch has brightness and color problems

I would say the crt's are at the end of their life.

Sep 09, 2009 | Projection Televisions

1 Answer

Color adjust


Adjusting the picture tubes is a scary proposition, but since you have already done it...
The easiest way to balance the gray scale is to turn the color all the way down on the set. The next part is easier with two people if the screen controls are on the back of the set. This is the part you saw that has six small knobs on it. There are control for the focus of the red, gree and blue and for the screen level of the red, green and blue. You will want to adjust the screen controls in an effort to get the picture black and white (this is why you turn the color down), hence the term "gray scale". Just make slight adjustments, take your and be patient. It will take some time, but you will get your picture balanced back out in time.

Hope this helps!

Jan 15, 2009 | Philips 50P8341 50" Rear Projection...

1 Answer

Sony KP-53V45 color issues

When ever a tube starts to short or is shorted set always will have over bearing drive lines then shut down like RED if it was bad, set would come on long enough for red lines across set then shut down this is the same with all 3 tubes.Also if you think it might be green tube disconnected green CRT board on neck of green tube if set comes on and plays then it is green tube do all 3 tube this way one at a time this will tell you if you have other problems.

Dec 02, 2008 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Picture calibration settings for 42lg70

Picture Menu
Picture Mode: Expert1
*Backlight: 16
*Contrast: 83
*Brightness: 53
Sharpness: 50
*Color: 55
*Tint: 0
Expert Control
  • Fresh Contrast: Off
  • Noise Reduction: Medium
  • Gamma: Medium
  • Black Level: Low
  • Real Cinema: On
  • TruMotion: Low
  • Color Standard: HD (N/A w/HDMI)
  • White Balance: Warm
  • **Method: 10-Point IRE
    • 10 IRE
      • **Red: 1
      • **Green: 2
      • **Blue: -16
    • 20 IRE
      • **Red: -6
      • **Green: 0
      • **Blue: -7
    • 30 IRE
      • **Red: -5
      • **Green: 0
      • **Blue: -4
    • 40 IRE
      • **Red: -8
      • **Green: 0
      • **Blue: -4
    • 50 IRE
      • **Red: -4
      • **Green: 4
      • **Blue: -4
    • 60 IRE
      • **Red: -6
      • **Green: 6
      • **Blue: -5
    • 70 IRE
      • **Red: -8
      • **Green: 3
      • **Blue: -10
    • 80 IRE
      • **Red: -8
      • **Green: 7
      • **Blue: -16
    • 90 IRE
      • **Red: -9
      • **Green: 5
      • **Blue: -18
    • 100 IRE
      • **Red: -10
      • **Green: 4
      • **Blue: -9
Color Management System
  • Red Color: 0
  • Red Tint: 0
  • Green Color: 0
  • Green Tint: -15
  • Blue Color: 0
  • Blue Tint: 11
  • Yellow Color: 15
  • Yellow Tint: 2
  • Cyan Color: -15
  • Cyan Tint: 0
  • Magenta Color: 0
  • Magenta Tint: -1

lg70 nice tv excellent processor just to bad there is no intensity control on color management oh well still better than what the three s are pushing block out the hype lg will be number 1 in a few years haters are starting to come around and well leds coming,

p.s. i dont work for lg just tired of losers bashing stuff because they dont own it.
im isf certified those settings are right on the money straighter than a ruler

Oct 05, 2008 | Projection Televisions

2 Answers

Blue crt shot

The coolant in the blue tube has no doubt congealed to an oatmeal like consistancy. Did you notice things like blue halos around things for some period of times. change the coolant. that should correct the blue. this is a common thing for that model as well as all TVs. Blue and green has this happen, Red seems to not have the same trait.

Mar 20, 2008 | Philips 55PW9363 55" Rear Projection...

1 Answer

Picture color

I discovered that the red input from my DISH receiver had come loose. I plugged it in and all is well.

Certainly glad I didn't call a technician out!

Feb 11, 2008 | Panasonic PT-65WX51 65" Rear Projection...

1 Answer

Hitachi Ultravision50vf820

use the advanced options page and reset the factor blue and red convergence defaults then do re apply the auto color defaults color at first it seemed very red (which is good because red was the missing factor in the green picture) but after reseting all the color and tints to the normal ranges I then reset the color auto correct again and all seems fine.

Oct 22, 2007 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

KP-53s65 multipule problems, hoping for single solution?

sounds like 2 different problems here. first problem sounds tuner related. second sounds convergence related. third issue (cost effective to repair ?) at this point i would replace the set. i hope this helps

Mar 12, 2007 | Sony KP-53S65 53" Rear Projection...

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