Question about Panasonic PT-52LCX65 44" HDTV

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Yellow coloring on Panasonic TV

My TV started with a light yellow tint at the bottom, and is slowly creeping up . It is now 3/4 of the way up. It is now a straight line, but more like short choppy waves. You really notice it when you watch a hockey game, the ice has a yeloow tint.
I changed the lamp, but it made no difference.

Panasonic 43" - approx 3 years old

Hank

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  • Jnt0413 Nov 14, 2008

    I have the exact same issue with my television

  • lstrutt Feb 28, 2009

    Yellow tint in full screen areas, not on left or right bars when in wide screen. Very noticable when viewing white images. Repalced bulb but still a problem.

  • Kamsar Apr 27, 2009

    I have exactly the same problem. Also with 2 blue spots about 3/4's of the way up the screen. I just changed the lamp today, with no improvement.

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IN THE MENU FIND COLOR CONVERGENCE TO FIX THAT

Posted on May 15, 2009

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1 Answer

Panasonic DLP TV has huge yellow blotch covering most of the screen


SET uses a optical light engine--lamp which is quite hot shines into the engine---blue is first to get the light and heat and is usually first area in the lens and baffles to get damaged(loss of blue leaves red and green which equal a yellow screen.

You have a damaged light engine.

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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

Started with a tennis ball size yellow spot in the bottom of the pictureabout 6 month ago, now the whole screen is yellow tinted except some of the outer edges. Tried adjusting the colors but nothing...


Your red TFT panel is going bad. You would need to have the light engine replaced. Probably about $200 to $300 depending on the shop. Let me know how this works out.

hardrocko

Feb 03, 2010 | Panasonic PT-43LC14 43" Rear Projection...

2 Answers

Panasonic pt43lc14 no red color. picture is good. cannot get anything to look normal color after trying to adjust color/tint/picture etc. Have alot of blues and yellow, and brown. seems like no red.


It appears that your light engine is broken, I have the same problem. Have you recently changed the bulb with a non-panasonic part bought on the internet. I did this and think thats what caused the problem. I believe the new bulb burn at a higher temp thus causing damage to the Light engine filters

Jan 04, 2010 | Panasonic PT-43LC14 43" Rear Projection...

1 Answer

My tv color is mostly yellow


There are polarized lenses in the light engine. When the blue one goes bad it gives the tv a yellow tint to it. You need to get that replaced.

Oct 28, 2009 | Panasonic PT-52LCX65 44" HDTV

1 Answer

Picture is clear but with a yellow tint .


Make sure, if your using component cables ,that they match up color for color and are plugged in.If it looks good try adjusting your colors on the TV.You can also try unplugging the TV for 5 min. and then plug it back in.This might be a TV issue.

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I have a panasonic rear projection lcd, it has a yellow tint around center of screen. Help


My PT-43LC14 has a yellow tint on 3/4 of the bottom to top. the top 1/4 seems normal. I removed the bulb assembly and it looks OK. Any ideas. Is there anything I can doe myself. and if so what is the p/n I can buy?

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1 Answer

Red circle and yellow tint in our white


Hello,
If you have RED color that starts from Center of the Screen,(no red color on sides ) 100 % your light engine is deffective..
In order to solve this issue Replace Light Engine Control Board (also called Driver Board ) attached to light engine.

Good Luck

Do not forget to Rate!!

Dals123

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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

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