Question about Panasonic PT-47WX53 47" Rear Projection HDTV

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Three pictures The screen actually has three seperate pictures - green, red, and white. I have been told this might be the picture tube, is this right? If so, is it something that can be easily fixed?

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Re: three pictures

Hello tdeg64,

This is not a picture tube problem. The problem has to do with convergence. I suspect that your convergence amplifiers are malfunctioning. As to this being repairable? Yes it is. However I would suggest that you get a qualified TV technician to troubleshoot and repair this problem.

I hope this helps,
Thank you,

Posted on Jan 26, 2008

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Picture is not very clear and the color is faded and can not adjust it

This mite sound crazy but it is time to change the oil in your TV. Yes your TV has three seperate picture tubes on the inside of it. A red tube, blue tube, and green tube. Each one of thses tubes has a clear oil that the light shines through. Over time this oil gets cloudy and distorts the light thus dimming and fadeing your picture please have a tech change the oil in your tubes.

Nov 08, 2010 | Akai PT4250A 42" HDTV

1 Answer

My KP-51HW40 clicks off after running for a period. The red power light blinks when it goes off but screen stays dark. When TV is shut off for a while it restarts and runs fine. The "On"...

KP-51HW40 shuts off due to incorrect white balance and blue arch lines is an evidence of that incorrect white balance. I hope tv standby red light would flashing 5 times then 3 seconds pause and again 5 times when tv shuts down.
This is rear projection tv that has three picture tubes (red-green-blue) inside to generate picture that projected at front screen. These three picture tubes must be drive with correct drive voltage to produce good picture of each color.
Solution for your tv problem is Screen Voltage adjustment that can be done easily if you are handy with electronics stuff repair.
Let me know your expertise level to guide you more and if you feel unconformable by tv repair then local tv repairman will help you to adjust white balance in tv.
Hope these info will help you.
Let me know if you have additional questions.

Nov 05, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

I have a 60 inch Philips tv and the picture is kind of blury and a little red. What is tha caused from?

THREE possible reasons for this:
I will list each and describe for you:

1.) If redish picture go to a black and white channel; is the screen somewhat red or black and White? This is adjustable from inside the set.

2.) If colors are skewed or look like they have a red outline it may be a convergence problem. See attached photo.

3.) Some of these sets develop a problem with the coolant which is used to keep the face of each of the three tubes cool; it is called Glycol. You would have to remove back cover and with set on look into each of the three lens (red,green,blue) to see if you have a clear red, green and blue picture.

Which best describes your problem?

SD TECHf0b8356.jpg

Aug 10, 2010 | Philips 60PP9352 60" Rear Projection...

1 Answer

Wavy horizonal disturbance in picture

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here

Apr 07, 2010 | Projection Televisions

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On a white picture my screen has a yellow color to it and at times mill have a blue blur on the bottom left corner of the screen. also i get blue dots in the middle on the screen.

Hello: Seems like you have a picture tube problem. The yellow color is from a weak green crt. I suggest replacing the Red and Green Crt's in this model. They are nortoriuos for Failure especially the Red. The cost for these tube vary from 110.00ea to 150.00each. I don't know if you want to spend that type of money on this set, as i Know this peticular set has an expectional picture quailty, my experience with replacing sony picture tubes, is to replace all three tubes, as the new ones will show brighter. So replacing the red and green crt's and not the blue is not recommened. But thats up to you, you might not notice the color difference yourself. You also have the option of sending the Crt's for refurbished ones or having the originals rebuilt by a company in Calif, called VDC, Video display Corp. They sell and refurbish sony CRTs. This route is much cheaper, the only problem is having the crt's taken out and sent for repair. The other option is to think about purchasing a new set. As this repair price could reach into hundreds of dollars, Around $600 to $700 for parts and Labor..

Nov 18, 2009 | Sony KP-65WV700 65" Rear Projection HDTV

2 Answers

Screen blury,very pink,green edging on picture almost colorless!

This would be a convergence issue you can run the convergence setup that is in your user manual if that does not work you are going to need service.


Sep 17, 2009 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

My 48 inch jvc tv has a green color to it what can this be and how can i get it fixed

Okay so the green color that you see on the screen is because the coolant inside of the green picture tube is gone bad (it suppose to be cristal clear but now it is brownish and that makes the green color run all over the screen.) That just happens over time and I'm guessing the picture tubes have never been serviced. Now you got two choices
1- The easiest and fastest way would be to take it to a local repair shop and have them service the coolants of your picture tubes. I'm guessing it would run you about $165 or so to get them done (the three of them red,green and blue)
2-On the other hand you can do it yourself. It is not hard at all but it does require a lot of attention.

After the picture tubes have been serviced you'll notice the big difference.
You'll actually have a much brighter and sharper picture just like when it was new.

Let me know if you decide you want to do it yourself so i can post the instructions for you.

Jul 13, 2009 | JVC AV-48WP74 48" Rear Projection...

1 Answer

Green picture

I'm not sure about this model but most projection tv's have a focus/screen control block usually located behind the front grille where the speakers are. The grille usually comes off easily. If there are no circuit problems you can adjust the red green and blue picture tubes there. Also the focus. It will be written somewhere screen and focus: Three for screen and three for focus. If you find the screens then adjust them slowly clockwise for increase brightness on the red and blue and you may have to reduce the green. Adjust for best picture. If the picture does not adjust too good then the tubes are weak. Only if there are no circuit problems Hope this helps

Dec 30, 2007 | Mitsubishi WT-42313 42" Rear Projection...

5 Answers

Sony KP-57WS500 57 in. Rear Projection Television

Hi Guys

Your problem here has to do with the amount of aging that happens to the three colour tubes - red, green and blue.

Blue actually ages slower than red and green. What actually happens is the green tube deteriorates and due to green being the predominant colour for brightness causes the blue tube`s flyback lines to appear - especially when switching between inputs or when the video is blanked.

No replacing the blue tube will not solve your problem as the tube is actually the best one of the three.

As someone mentioned there is a way to adjust this by removing the speaker grill assembly in front of the set. Doing the service mode adjustment with the remote is not the right way to solve the problem - you would be adjusting the colour gain and off-set values and would seriously be compromising the white balance of the set.

On the left hand side behind the speaker cover you will see a black square block with six adjustment points. Look for the one marked SCR BLUE, Switch the set to a unused input so the blue lines become visible. Now adjust the BLUE point counter clockwise until the lines disappear. A small adjustment should do it, Switch back to a picture and make sure the whites are still white.

This should sort your problem. I would however suggest asking a Sony service centre to do this for you. This is a dangerous thing to do as you will be working close to the 35Kv supply the the anodes of the three tubes.

I hope this answers your question.

Goo luck.

Jun 05, 2007 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Toshiba 65h82

check the screen voltages goinfg to all three tubes. Another thing you could try is unplug the crt socket to the red and see if the other tubes stay lit . There ia a possiblity that the red tube could be over powering and shutting the others off or down.

Apr 18, 2007 | Toshiba 65HDX82 65" Rear Projection...

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