Question about RCA HDLP50W151 50" Rear Projection HDTV

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Color Replaced projection lamp and now color is all blue and green, no red at all.What can be the problem and can I do anything to correct it?

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Re: Color - RCA HDLP50W151 50" Rear Projection HDTV Projection Televisions

What lamp did you replace?

Posted on Dec 04, 2007

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After lamp replacement, why is picture still green?

it seems like the green was not defective before you replaced the green. remove the red =no change in the screen color, that could be bad. put back red, then remove blue=screen color changed, blue is good, hope you got the idea.

Oct 08, 2015 | Sony Projection Televisions

1 Answer

Samsung HLR5067 has no green color in picture

I know this may seem dumb but if you are using component video (the red green blue with the white and red audio cables) it could very well be that the green cable (carries the green signal) is the problem. try changing the configuration (ex: use blue to carry the green signal and vice versa) if the green starts to work and the blue stops then its just your cable.

Oct 18, 2012 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

My LCD projection tv(KF-50E200A) displays projection lamp week when switched ON and out of red color display on the screen. Is this will happen if the projection lamp is week?

no and yes
the lamp warning is to alert you that a timer has expired that clocks the approximated life of the lamp in "hours of use".
it is never accurate and is dependent on whether or not it was reset the last time a lamp was replaced.
reset the lamp timer in the users "setup" menu.

the lamp has NOTHING to do with color, it only provides light.

check the connections between the TV and cable/satelite box...the component connector...the red one is likely loose.
if this does not correct you color problem, your optical engine has failed.
very expensive repair, not for the DIY type guy.

Apr 17, 2011 | Sony KF42E200 TV

1 Answer

My screen has little dots appearing sometimes red sometimes blues behind the picture i just replaced the lamp bulb as i thought it would cure the problem

the projection tube needs to be adjust for color alignment, each tube (red, green, blue) must be aligned so you there would be no color smear appear on screen. if it is aligned try to set up the color balance, hue etc.

Feb 06, 2011 | Samsung Projection Televisions

2 Answers

PT50LC14 Color problem with color too much yellow and green no white or blues can not correct is this the lamp again im on why does it seem that I end up replacing the lamp every year (on number 3 now)....

ok,,your problem is not on the lamp itself.,the problem is on your screen controller.the controller is connected on the plyback you can adjust the screen intensity of the red,green,blue cathode..on your screen adjustment.

May 17, 2010 | Panasonic PT-50LC14 50" Rear Projection...

2 Answers

Green screen

inside the light engine there is a red a green and a blue glass color filter.The heat from the lamp causes the color to burn off the glass.You need new filters .One is red one is blue and one is green.The lcd itself doesnt make the color,it is a black and white device.The colr comes from light shining through colored glass

Nov 11, 2009 | Hitachi 42V715 Rear Projection Television

2 Answers

I have a toshiba 65hm167 no red color on the screen

Your TV is a DLP one lamp does it all, not like the old projection TVs with the Red, Green & Blue CRTs. Your TV may have a bad light engine or lose cable connections.

Good luck
N Sabre

Nov 08, 2009 | Toshiba 65HM167 65" Projection Television

1 Answer

Samsung HCM4216W

Probably only one lamop and that would be the blue

Jul 20, 2009 | Samsung HC-P4241W 42" Rear Projection...

2 Answers


was color normal before
color is generated on dlp by a device called a color wheel...when you start it up does is sound like a motor running

Dec 04, 2007 | Projection Televisions

1 Answer

Hitachi 52 projection tv

use the advanced options page and reset the factor blue and red convergence defaults then do re apply the auto color defaults color at first it seemed very red (which is good because red was the missing factor in the green picture) but after reseting all the color and tints to the normal ranges I then reset the color auto correct again and all seems fine.

Jan 22, 2007 | Hitachi 50V710 50" Rear Projection...

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