Question about Pioneer SD-P55A3-K 55" Rear Projection Television

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Mr Bob

Posted on Feb 07, 2008

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I have big screen (53") Soni TV that I had bought

Hi this is a common issue on this sets I also have the aame problem with my sony ,whats your model number?

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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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Can i fix it myself/ phillips/magonavox 60 inch tv big screen

When you turn the color all the way off do you get a black and white picture? If not you will need to do a grayscale adjustment. Turn the brightness and contrast down until you get a black screen. Then advance the screen control on each CRT until it just lights the screen and then back it off to just black. If one of the colors does not appear then you can adjust the master screen (usually on the HVT) and then readjust the other two. If this doesn't help you can try to clean the projection lens on each CRT. If anyone smokes in your house then it's possible that soot has built up between the lens and the CRT. Separating the lens from the CRT can be complicated and even dangerous. I would have a TV shop check each CRT and see what they recommend. This can be done in your home. Good luck.

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1 Answer

Phillips 52" big screen is looking blurry. Can I tune it myself?

my projection tv color is red I have tried ajusting the color but nothing the pic is still to red

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Need to find out how to adjust color

im curious why you think you need to ajust the color do you have red screen? or missaligned colors?
If your B&W images look okay (bright and dark areas), either films, ads,
or turing the color off, you shouldn't tinker with grayscale
adjustments. You'll really mess up your set. Haven't seen many
complaints about 'red push' with Pioneers, but that may be the problem.
A further check would be the decoder test on the Avia disc. Also visit and search the Pioneer section for
similar complaints.

Nov 16, 2007 | Pioneer SD-533HD5 53" Rear Projection HDTV

1 Answer

Red and blue light ajust but green one will not

believe you would have a open resistor on the green crt board, was either a 120k or 110k resistor

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Pincushion Picture on a big TV screen!!!

The set has 3 IC's(one for each color)strictly dedicated for the aligment of each color,if one them does not align is because is going bad or is already bad becuase picture can not be adjusted,the IC's can be identify because they are mounted on a heat sink and have the markings STK--- ---,they are all the same and need to be replaced with an exact replacement.If you are familiar with tv service you can replace them,sometimes the new ones need to be aligned from the service menu,you will need the service manual,soldering and unsoldering will be involved,If you are not too familiar be safe and seek the assistance of a servicer.

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