Question about Projection Televisions

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I have a go video 38 inch tv its about one year old it has started to get red specs during dark scenes

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THE DISPLAY PANELS CAUSE THAT MOST OF THE TIME THERE
IS NOTHING YOU CAN DO AND IT IS VERY COSTLY


THANKS DOCTOR VIDEO

Posted on Apr 25, 2008

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Our 57H81 is about 10 years old and we can hardly see the picture on tv/movies especially - when a dark scene is shown. Do we need to perform maintenance or change out the projection lights to get the...


You can try cleaning the lens/mirrors of the set with a lint free cloth and a cleaning liquid made for cleaning glass. The dark image can sometimes be caused due to dust on these parts. If that does not work then I am afraid that you need to purchase replacement CRTs(the three tubes at the back of the set). Each of them produce one color - Red, Green and Blue and all 3 have to be replaced to resolve the problem, unless you can visually identify a malfunction with one of the tubes(If one of tubes is a lot dimmer than the other 2).

Sep 18, 2011 | Toshiba 57H81 57" Rear Projection...

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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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I have a sony 50 in rear projection. 9 years old


Sounds like the CRT tubes are going out which is fairly common on Sony. Inside the back of the TV there are 6 knobs - 2 for each color...one is for focus - dont touch - the other for brightness...turn down the brightness just a hair untill the lines go away.

Dec 01, 2009 | Sony KP-51WS510 51" Rear Projection...

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Hitachi model 57SWX20B which has a dark screen


loss of brightness could need the mirror and lens cleaned and also the screen.if the tv is over 8 years old then the crts are getting weak.

Jul 28, 2009 | Hitachi 57SWX20B 57" Rear Projection...

2 Answers

Green spot / glow in center left side of Panasonic PT-61LCX65 LCD Projection HDTV


This unit has a chonic issue with corruption in the eeprom that causes spots and shadows. The correction is to find some service center that has the jig to hook up to your unit and correct the eeprom. This is an extended warranty issue with Panasonic and if you contact them they should be able to refer you a qualifed service center and Panasonic will pay.

Apr 06, 2008 | Panasonic PT-61LCX65 61" Rear Projection...

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