Question about Mitsubishi VS-50805 50" Rear Projection Television

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Color tube bad - Mitsubishi VS-50805 50" Rear Projection Television

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Where is the tube located?

Posted on Oct 24, 2008

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Posted on Jan 02, 2017

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Color changes on screen mitsubishi wd73737


nothing of that i think it is the power supply some capacitors is bad or screen -tube -

Nov 25, 2013 | Mitsubishi WD-73737 73 in. HD-Ready TV

1 Answer

Tv is yellow orange color what is problem


The model indicated does not have a "bulb" as it uses 3 picture tubes.

Examine the picture with color set at zero---stand back and look= if the screen has a mostly yellow (all or part of the screen) you have bad Glycol in the blue picture tube(if need explanation ask) and a look in the lens of the Blue tube will confirm this.

If able with back off and a small mirror look in each lens--red picture, green picture and blue picture.

If the Blue looks like a floodlight with little or no image--bad glycol in that tube.

Jun 16, 2012 | Samsung HCN5527W 55" Rear Projection...

1 Answer

After turning the tv on the colors are reddish and slow to conform to the normal color tones. i have a 36" toshiba flat screen tv


My first concern would be that, the picture tube is going bad. The problem you describe, tell me one of the color guns is shorting. In this case I would think the green gun is shorting. There are three color guns in the neck of the picture tube. They are red, green, and blue. Most of the time the green will short as it is powered heavily in most TVs. The next thing to check, is the small board connected to the picture tube. Look for any and all bad grounds on this CRT board. This is another big problem in all Tube type TVs. On this small board there will be three color output transistors, and resistors. These will many times run very hot and will create bad grounds over time. Check and resolder as necessary. If the CRT board does not fix your problem, replace the TV. Picture tubes are very expensive and will not be feasible for replacement. Search for a new TV. Thanks for asking and show all hands of support!

Jun 26, 2011 | Toshiba 36A43 36" TV

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Is the picuture tube messed up when you see double people and the color is faded


That usually means your convergence ics are going out. Replacing those will get rid of the double imageing. If the color is faded realy bad that means your tubes are going bad. That repair is pretty costly. Tvs over ten years are usually money pits.

Mar 25, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

We have a Phillips rear projection tv, about 9 years old. The color has been getting progressively worse over time. Dark scenes are almost impossible to see. It almost seems that only blue and red are...


Tv have halo pictures and dulls colors?Yes,the tv have bad Coolant chemicals on those colors guns R,G,B CRTS tv Tubes.Must replaced those CRTS Coolant chemicals on those CRTS tv tubes.Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a Coolant kit to replaced those CRTS tv Tubes coolant chemicals.

Nov 13, 2010 | Philips 55PW9363 55" Rear Projection...

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My 51 inch Magnavox rear projection has red and green overlapping


the coolant is bad inside the blue and green pix tubes-to verrify this you can remove the front edge of the screen(it pulls off-one edge at a time-take out screws to remove screen-after screen is off look down at blue/green tubes pix is bad or not there

Sep 07, 2009 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

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Color change.


philips is notorious for bad picture tubes. especially the blue. occasionally the coolant leaks out of a tube but this usually causes bigger problems than color change cause it shorts out whatever it leaks onto.

Mar 06, 2009 | Philips 55PP9352 55" Projection Television

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Mitsubishi Diamond Series T.V.


When a tv (Rear proyection) shows this coloration is the meanning that the red color is not there (the red color is generated by a red CRT). Now it can be really bad not having the tube working but before conclution make sure of this: (and if the red color gets back then the tube is ok)
  • is this condition the same in all inputs? or the picture looks ok with a different video source (VCR, DVD other)
  • are the menu letters same as the picture looks or are they fine?
If we cannot see any red color back with this testing, still chances that a technician find an electronic problem that make the tube to be off. so don't rush conclusions and get to the end to save the tv with out replacing the red tube, but if all was done and nothing then the tv needs the tube replacing.

Mar 03, 2009 | Mitsubishi Diamond WD-65831 65" Projection...

1 Answer

Bad picture color. red LED blinks 5 times. Replace picture tube?


Definitely bad picture tube==not worth fixing......T.

Oct 11, 2007 | Sony KV-36FS16 36" TV

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