Question about Samsung HLN567W 56" Rear Projection HDTV

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No reds in the picture

The picture has only blues and yellows and greens but no red.
I've unpluged the unit and let sit for 10 min but didn't help.....

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This unit has a problem with the light engine that will require professional service. This unit only has 1 lamp so you can not change the "red" one. I don't have the specifics for your model, but usually this is caused by an internal problem. Unfortunately, the light engine is not a field repairable unit. Check with your local service shop for the costs involved in this repair. This is not a do-it-yourself repair.

Sorry about the bad news.
Dan

Posted on Jan 13, 2009

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This is a sure sign that the RED lamp unit in your tv will need replaced and has burnt out! (A very common problem with this model) Replace red lamp unit and all will work great again!
Please rate my response to your question!
THANK
YOU!

Posted on Jan 11, 2009

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1 Answer

My tv screen when on turns yellow then after a while it will switch back to normal colors what can be wrong with it....


Televisions covered: all Projection with yellow picture, but not Projection TVs with a yellowish tint surrounding objects in a nearly normal picture.

Yellow = red + green
normal picture = red + blue + green (RGB). See illustration.

12_27_2011_5_00_56_am.png

Fig. 1 Additive color mixing in an RGB monitor, or RGB Projection TV.

The circuitry powering your blue output, or the blue light engine itself is starting to fail.

Operating Theory:

The lamp module shines a bright light into the optical unit; there are a series of lens and baffles, and at the top of the light engine, a lens puts the picture into a mirror which is reflected onto the screen; All video and color is processed thru the light engine. Blue most commonly fails first, leaving a yellow picture.

Dec 26, 2011 | Mitsubishi WS-55805 55" Rear Projection...

1 Answer

My rear projection TV works fine except that the color is so SATURATED we can hardly enjoy the show. From what I've read, I think whatever is in the glass containers that is red, blue, and green needs...


The liquid is called Glycol and is like antifreeze and very toxic.

Not a job for a do it yourself person.

You can determine if this is your problem in a simple way: carefully remove back cover and with set turned on (do not touch anything in set) look in each of the 3 black lens. You should see a red picture and a green picture and a blue picture.

If you look in any of them and no picture and looks like a floodlight, the glycol in that tube is contaminated with bacteria.

Blue is the most common (red never since the bacteria does not like that color) and green rarely.

If blue is the problem, the picture will have a yellow cast to it (red and green equals yellow).

What has to be done is the offending picture tube has to be removed, drained of the Glycol, the area holding the Glycol taken apart and washed out----then fresh Glycol goes in and tube gets put back and set will need some real adjustments.

Remember, when I have done this it is rubber gloves and do not get any of this on you as you will absorb it into your body and it is 10 times more toxic than what is used in cars.

If you confirm only one tube has bad Glycol shop around and see what shops want for this repair.

Before you rate this solution let me know if you have any questions, I am here to help.

Regards SD TECH

Jun 29, 2011 | Philips 55PP9401 55" Rear Projection...

1 Answer

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.

SD TECH

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

1 Answer

Video is taking on a red tint which is getting worse over time


check the cable connections. look at different inputs. VGA and Component cables have the colors split, so if it's turning red, green, or blue; it's likely a cable or connector.

Dec 29, 2009 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

Power went low all things went dim since then are tv's are all red picture and sound fine but all red


You need to first: Unplug TV and let it sit 20 minutes.
Then replug it... Then you may have to set the red, blue and green guns if this is a projection TV>
Mastersage!

Jan 03, 2009 | Toshiba 43H70 43" 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

1 Answer

Green picture


Your red and blue cables are unplugged from either the source or at the tv.

Component video uses a red green and blue signal. If the red and blue are pulled you will onle see the green. If the green is pulled you will see nothing.

Check your cables 9 out of 10 times its a loose connection or bad interconnect cables.

Jul 03, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Convergence


Loss of power supply voltage to run convergence circuit.verify w/service literature.Hands-on technical help needed.

Aug 24, 2007 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

Picture is yellow and green


Your missing the red drive on the set. Its most likly the picture tube. Its a possibility that the red drive circuit could be not working so the best thing to do is take off the gree picture tube socket and put the green board on the red tube. Of course do all this when the set is unplugged. if you have no tv experience. its not a good idea to be messing around inside of these sets.

Sep 02, 2006 | Hitachi 53UDX10B 53" Rear Projection...

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