Question about RCA P52955 52" Rear Projection Television

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Low intenstity on green lamp

Red and blue lamps fine green on but very low intensity what could cause

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Sounds like the Green CRT need to be replaced. Thats fairly common with your model with that symptom. If you need a link to where you might be able to get a replacemeny let me know.

Posted on Jun 07, 2008

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Hi all. i got 1 toshiba led tv 32pb10e problem DOUBLE IMAGE WITH DISPLAYED RED N BLUE COLOR ONLY ON SCREEN . I TRIED REPAIRED SINCE LAST NIGHT BUT CANT . PLS HELP ME IM URGENTLY NEED REPAIR IT . TQVM


The old projector TV's are using 3 lamps for Red Green Blue....in your case the Green lamp stopped working....either the Green lamp burned or the lamp board is defective.

Mar 31, 2016 | Toshiba Projection Televisions

1 Answer

What causes the picture to have a green tint


there are 3 color cathode in your TV red,green,blue cathode.The red and blue cathode might not working in your set that is why you have a green screen. Open the back cover of your TV you can immediately see the 3 cathode lamp at the back. Clean the lamp first using a clean clothe. Power up you tv and see whether the 3 lamps are lit. If lamps do not light up,check the circuit board where this lamp is connected re-solder all the components in this lamp. There is also an individual screen adjustment for the lamps it is located at the front panel and labeled RGB screen...try this first and let me know how it goes..

Apr 16, 2011 | Zenith E44W46LCD 44" Rear Projection...

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...

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Television works fine for only about 1 minute and


My thoughts is that your High Voltage Divider has gone bad. Sony is a great server as they still continue to have parts for these TV's Be prepared for a fairly expensive repair.
Blessings,
A/V Media Tech Guy

Nov 23, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Blue blob


Hello rivas_gab. Before I answeryour question let me explain a little how your tv works. You TV uses is a 3LCDtv that gets its picture from a lamp, the lamp produces a white light brighterthan the sun, the light goes through a square prism and is split 3 ways, eachgoing through a small LCD chip (blue, red & green). Then it travels troughthe light engine where the final picture is produced. The blue blobthat appears on the screen might be caused by one or two lcd chips that havestarted to get burn by the intense heat emitted from the light of the lamp. If that is theproblem you’ll have to replace the entire light engine, the other option isthat you buy the prism with the lcd chips, how ever that almost impossible becausenobody that I know sells them separately. If you decide tobuy, search buy part number, NOT model number, otherwise you’ll run the risk ofgetting non compatible parts. If you’re lookinga place to purchase look for dedicated tv part distributors (my personal recommendation:Discount-Merchant ). Happyhunting.

Dec 16, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

51 magnavox projection tv-color mixing wrong


The are controls on the inside of the tv above the circuit boards for focus and to turn up intensity of the projector lamps (red, green, and blu). If you turn it up too far all three projector lamps kick off. If this happens, power off the set and turn down the lamp that you turned up. Power it back on and slowly turn the projector lamp up until the picture looks OK. You have to take off the panel on back of set to get to the controls.

Nov 19, 2007 | Philips Magnavox 51MP392H Rear Projection...

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Red & green lamps shutting off leaving a blue screen


Could you show a picture of the distended cover you mentioned?

 

Were the light blue lines you were referring to, diagonal, or truly horizontal?

Oct 15, 2007 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Red lamp issue


the color which you see has problem i think you might be seeing white slanting lines also with this. it mainly due to 1 supply to green video supply 2 loose cuntact in g.video section 3 green tr. defective 4 ckt from ic to green input is defective 5 chroma ic defective if supply is ok. regards

Sep 14, 2007 | Pioneer SD-533HD5 53" Rear Projection HDTV

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