Question about Hitachi 51F510 51" Rear Projection HDTV-Ready Television

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Red gun is gong out

The red light (of the red,blue & green guns) is coming & going. Do I need a new red?

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Check the neck board for solder connections and heater voltage.

Posted on Apr 13, 2008

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54cm CRT tv tube green


CRT color television have three color "guns"; red, green, and blue. This is where the term RGB comes from when discussing computer CRTs. If you are getting only green, something is preventing the red and blue guns from working.

Aug 08, 2016 | Televison & Video

2 Answers

Have gone from a good picture to green and blue picture.what happened?


Hi:
If you are connecting the unit by componet cables (RED,GREEN<BLUE) check the cables first to make sure all are connected. If you find they are ok then your red tube may not be lighting up. If you are using a cable box try connectioning the set direct to the cable outlet on your wall. You could also be missing red drive signal to the CRT, in which case service is needed.

Mar 10, 2011 | Samsung Televison & Video

1 Answer

After moving, tv picture has green overtones that will not go away with tint and color adjustments. Any ideas?


YOUR GUNS NEED RE-ALINEMENT{RED,BLUE AND GREEN LIGHTS}DEPENDINIG ON HOW OLD IT IS WILL HAVE TO HAVE MORE LIQUID PUT IN THE GUNS.A TECH HAS TO DO IT,NOT CHEAP.

Apr 24, 2010 | Televison & Video

2 Answers

Green bulb-or lamp on ultravision hitachi 57uwx20b does not work how much to replace?


On a projection television you will have to replace all three(red,blue,green) projection guns in a matched set, the reason is if you replace just the green gun, your picture will be over saturated with green light making your picture look green,because the new gun will be alot brighter than the red and blue guns.
With that said, repair will cost approx.$400+, I've heard up to$600. Good luck !

Jan 09, 2010 | Hitachi 53UDX10B 53" Rear Projection...

2 Answers

No Red color at all. The convergence feature does not work either. Lots of green and blue RCA Model D52W59


Red color gun has failed, which will make the picture over saturated with the other two colors(blue,green) the bad news is the three color guns need to be replace in a set(all at the same time) because if you only replace the red it will over saturate the older blue, green guns then your picture will be mostly red.Unfortunently in most cases it's not worth the investment, better off to purchase a new tv. Good luck !

Nov 28, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

I heard a pop in the TV and then the screen went red. I can still hear it and watch it but everything is red. Is it a bulb that needs replacing? If not, what is it? Can I do it myself or will I have to...


Several failures can cause a red picture but it sounds like if you are connected from the source with component video cables(red,blue,green)you may just have a bad cable,but you may have had a blue and/ or green projection gun failure,which would cause the red gun to over power the other colors(blue/green), if this is the case definently not worth the cost to repair, you have to replace all three guns at the same time costing $500+ to repair, invest that towards a nice new LCD panel TV. Good luck !

Nov 26, 2009 | Akai PT5492S 54" Rear Projection...

1 Answer

My PJ506D Viewsonic projector is projecting an image with too much green. How can I adjust this?


You will have to go into the menu system and find the controls for the red, green and blue guns and adjust the red and blue guns to counter the green.

Atypically if this is an older projector and has seen a lot of use you will start to experience the degradation of luminescence in the tubes.

Resolution: If the adjustments do not resolve the color issue, you will need to have one or more guns replaced. The economics of this replacement point to a new projector.

Aug 13, 2009 | ViewSonic PJ506D DLP Projector

1 Answer

The screen is going green, what should I di


Your projection tv screen is made up of a mixture of red, green, and blue. If you are starting to see more green than any other, that means the red and blue light guns are warn out. This will be more expensive to repair than buying a new tv. :(

Jul 25, 2009 | Hitachi Televison & Video

1 Answer

Guns on their last leg- color fading


If you are asking about Guns in rear projection tv then answer is No.
Rear projection TV has 3 Guns (CRTs), red-green and blue and each gun has its unique color phosphorus coating to produce its mono color (red /green /blue) and these are not interchangeable.
Need further info, let me know.

Oct 23, 2008 | Televison & Video

1 Answer

Color going


your colour guns (that's what they call the light tubes that produce the 3 main colours, red/green/blue) need to be fixed. One or two of your guns need to have the liquid that protects the lens flushed out. I had the same thing and the repair man came in took the unit apart and removed one of my light guns (blue one) and showed me the dis-coloured liquid. He drained the liquid and added new clear liquid which protects the heating of the gun and everything was perfect again.

Oct 17, 2007 | Samsung PCL541R 54" Rear Projection...

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