Question about RCA HDLP50W151 50" Rear Projection HDTV

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Fading to black

Everything works fine for a while, then gets a pinkish hue with fading. Then shuts down...you can still hear the sound 99% of the time when the picture goes away. Restarts after a bit without touching the power button. Just replaced the bulb thinking that might be the problem but nope.....problem remains any suggestions?

Gina

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Get the main voltage box checked inside the set.

Posted on May 15, 2008

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The tv comes on and picture is perfect, then blue hue starts and progressively gets worse. Finally all blue with only sound. Turn off and back on and picture is perfect then fading begins again.


Hello.
During this procedure DO NOT touch anything else than whatever I mention here! You can get serious injury due electric shock!
You have to wait for TV to warm up and get worse blue hue you can get. Than remove front grill and behind it locate center shielding piece that also have to be removed. It held in place by 4-5 screws. Behind that "shield" you can locate "black box" size smaller than pack of cigarettes made out of plastic. It has 6 rotary buttons. 3 of them are" focus " and another 3 in the row are "screen". They all marked - take you time to study them with magnifier glass and flashlight if necessary! Locate one with letter "B" in "Screen" row . Others for green and red. You have to slow and carefully turn it counterclockwise using matching Philips screwdriver until blue is in balance with other colors.
Put everything back and enjoy your TV!
Regards.
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No It is not the picture tube.
First, I would suspect a bad solder connection (cold solder connection) to find this problem hit the side cassing to see if the picuture goes away or comes back.
Another way is take the back cover off and tap gently on the boards with something not conductive or your hair would look like mine. The most commond section is power supply and neer the Horizontal flyback transformor.
The horizontal transformor look at it, it's a big greyish darty little thing about 3" x 4" and stand up about 4" with a big red wire going out of it. Don't touch it, it has very high voltages, just look what it done to my hair I'm telling you don't touch it along with it's red lead's. Just look to see if it is arking if so replace it.

When you have convegence problem , it is mis aligment of the colours in the genmentry aligments.
I would suspect more in the power supply section.

Regards

What about Bob
Timmins, Ontario
Home of Shania Twain.

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