Question about Samsung PCJ522R 52" Rear Projection Television

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Blue lens works, but has a weak projection compared to the green and red lens

Hi, My Samsung rear projection television screen has been showing a yellowish hue, and the blues often look green. I tried adjusting the manual convergence. The red works fine, but when I try to adjust the blue, nothing seems to happen. I opened it up and cleaned off the lenses and mirror. I turned the power on, and all three lenses light up, but the blue has a very weak projection in comparison to the other two. Is it possible to fix this repair without buying a replacement part? If not, how much would the replacement part cost? If anyone has any info or advise to fix this problem, I would greatly appreciate it. Thanks, Ryan

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The most common problem I have seen with these Samsung projo units is the blue CRT (picture tube) failing. They usually form algae on the face of the CRT which means replacement of the CRT or rebuilding it by a CRT rebuilding company. I wouldn't suggest the novice to pull the CRT out because if the wrong mouting screws are pulled you will spill out the cooling fluid within the face of the CRT and that will cause more problems.

Posted on Apr 18, 2007

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Posted on Jan 02, 2017

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1 Answer

What is the perfect amount of red,blue,and yellow hue for the screen


that's got t o do with personnel preference and room lighting , but as a general rule adjust color hue's till the edges of a white color object on screen has just lost its primary color edge

the older projection TV's actually have voltage numbers for the service tech to adjust them too , but im not remembering seeing any in the LCD manuals

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1 Answer

What causes the yellowish hue in the centre of the screen


There are several different types of projection sets: some use 3 picture tubes, red,green,blue--if this kind of set is what you have the coolant used in the blue tube is bad-----this type of problem leaves red and green which = yellow.

Most common in Samsung, Philips, Magnavox type sets.


If it is a newer set without picture tubes (a dlp style set) yellow in the middle of the screen would denote a damaged optical light engine.

Let me know brand, model number, date made----all are on back of set.

SD TECH

Feb 25, 2011 | Televison & Video

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 Televison & Video

1 Answer

I have this blob discoloration that is in the center of my screen. what could this be its a yellowish green color


Yellowish green colour is usually caused by a burnt blue LCD Panel or the light engine requires servicing.

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1 Answer

The screen has a yellowish color tinting the entire surface. No blurring, just poor color. I'm thinking the 3 tubes(red, green, blue) may be toast?


Hi,thats could from your convergence color ic call stk
;you may need to replaced before looking for the tube thats may just an ajustement on tube screen control beware for high voltage
that is depend how old is the tv and the number of hour it play a day....
hope that will help

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1 Answer

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you will have to change the coolant under the blue and maybe the red crt lens

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that means that the phone needs to be unlock by the network provider

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Check you HD inputs or source. Sounds like the red stream is missing; maybe a loose cable.

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1 Answer

RCA 52" big screen tv


sounds like one of your tubes got weak, im thinking the red tube, needs to be adjusted manually

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