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Zeneth rear projection TV, lost color after becoming disconnected during remodel. There is a blue color notice on screen which states no signal when I tried to attach cables differently.

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The arial feed to the set is disconnected

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Out of convergence - getting error that sensor is not getting any signal during auto-converge - is there a way to manually converge - or replace anything??


projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

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

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


7859b01.jpg

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Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 15, 2011 | RCA D52130 52" Rear Projection Television

2 Answers

Mitsubishi Rear Projection WS


5ebe434.jpg A projection television and a convergence control method thereof are provided. The projection television, which magnifies images displayed on cathode ray tubes (CRTs) for the colors red, green, and blue using lenses and projects the magnified images onto a screen, includes a convergence control apparatus capable of adjusting the convergence while an input image signal is displayed, the convergence control apparatus including: an image signal decoder which processes the input image signal to generate a data signal, horizontal and vertical synchronous signals, and a start signal indicating the start of either the horizontal or vertical synchronous signal; a convergence control unit which normally projects an image signal output from the image signal decoder onto the screen and performs convergence control using a predetermined region of the screen displaced from a visible region of the screen according to a convergence control command; and a main microcomputer which inputs the convergence control command to the convergence control unit when the start signal is input from the image signal decoder, stops the convergence control when a completion signal is input from the convergence control unit, and performs a control operation to continuously display the image signal during the convergence control.
.
the pro in convergence control circuit only..so better change tat..



Sep 21, 2008 | Mitsubishi WS-65809 65" Rear Projection...

2 Answers

The color on my Phillips 60 rear projection big


that means that the phone needs to be unlock by the network provider

Mar 13, 2010 | Philips 60PP9202 60" Rear Projection...

1 Answer

My monitor has been disconnected for a while during office remodel...now when i plug in it's very pink in color


Likely the cable is not connected properly, and the blue VGA signal isn't arriving. Try unplugging at both ends, and replugging it securely, screwing the connector retainers in.

Also, a redness of color may be due to the color management of the monitor, the so-called "color temperature", being changed from 9300 or 10000 K to 6500 K. Try checking the monitor color controls.

Nov 05, 2009 | Computers & Internet

3 Answers

I have a glow or a shadow around everything I watch...I tried the converse blue but i dont know if i did it right bc it didnt work...how can I fix that?


CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed. Notice how dull the colors are and how white the screen looks. The screen may also look red, orange, dull, etc.

9e7eb5b.jpg

TV set after fluid change. Notice how bright the colors are now. Everthing looks crisp and sharp again.

182c282.jpg



2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

May 17, 2009 | Philips 50P8341 50" Rear Projection...

1 Answer

Color seperation on rca 1998 46" rear projection tv


projection tvs have seperate color bulbs that put out the same picture the lenses just need to be adjusted. they probably shifted during the move.

Dec 04, 2008 | Televison & Video

2 Answers

JVC Model AV-48P575 Green/Yellow Screen


i would check the red color first it sounds like your loosing red

Feb 22, 2008 | JVC AV-48P575 48" Rear Projection...

1 Answer

Tv lost color


Your problem most likely is on the signal board is my guess. If your not a technician it would be in your best interest to have him check L2C60 on the signal board.

Nov 19, 2007 | Mitsubishi VS-60707 60" Rear Projection...

1 Answer

Yellow and Blue shadow on left side of screen


Blue convergence off = needs convergence IC's replaced =
Would you like step - by - step how to ??????

Nov 07, 2007 | Toshiba 51H84 51" Rear Projection...

1 Answer

Mitsubishi 6043A Loss of color


Sounds like many different problems maybe related thou. You say 6043a but you are under WD-62327. So this info is for that.1. Suspect the Light Engine part # 939P977020 also you could need.. Suspect the Signal PCB part # 930B923002 if no video keeps up

Aug 27, 2007 | Mitsubishi WD-62327 62" Rear Projection...

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