Question about RCA P46921 46" Rear Projection Television

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Screen is blue no channels

The screen has gone blue on my p46921 rca rear projection tv.do you know what causes this?
thanks
doug

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If you can get pic using an external input you've got a tuning failure, if not video processing.

Posted on May 06, 2008

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Rca model p46921: While watching tv the projection dies out, moments later the projection returns. Any idea what is causing this? Thanks, JN


This is most likely the B+ voltage in the tv. You can tell the B+ voltage by looking inside the tv (only if you know what you're doing, VERY HIGH VOLTAGE) and you can see a block box shape with a single red wire running out of the top. This powers the projectors and over time can't keep up with the electric need. Replacement is easy as long as you can find the same model.


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Mar 04, 2011 | RCA P46921 46" Rear Projection Television

1 Answer

Where can i get a plexiglass screen?


I have a P46921 46 in rear projection television. I brought it in and they told me it was the processor board (main control board with programming) that wasn't letting the TV turn on and was quite an expensive repair. I now have the parts back and was wondering if someone could use them. I know that some people were looking for the actual screen found behind the plexiglass or what looks like plexiglass. I have all the parts and was told that it worked beautifully until it decided it wouldn't turn on again. Anyone interested, please drop me an email at jforest7@gmail.com.

Thanks.

Oct 11, 2010 | RCA P46921 46" Rear Projection Television

2 Answers

TV RCA P46921 bad flyback


rca part 239111 output transistor probably bad also should be c5841

Feb 24, 2009 | RCA P46921 46" Rear Projection Television

1 Answer

My Tv RCA P46921 Chassis PTK195MA has a bad flyback with PN 15128


shopjimmy.com for $14.95. put freeship in promotion box for free shipping!!!!!!

Feb 24, 2009 | RCA P46921 46" Rear Projection Television

1 Answer

I have a RCA P46921, the screen is cracked. Need a new one.


I got one for a p46731at for $150 plus shipping which may need to be trimmed if you still need one. Call Electron Resort at 1-919-735-9139

Nov 21, 2008 | RCA P46921 46" Rear Projection Television

1 Answer

RCA P4677OCK


I have P46733AT with the same problem. I ordered schematic and now looking for flyback + high voltage transistor.
When I finished I let you know what's going on.
Goga.

Jul 19, 2008 | RCA P46921 46" Rear Projection Television

1 Answer

RCA P46921. Just changed flyback.


First, this assumes nothing else is going on to cause it. Here's what I did. Go to the 'green grid' via the v76 menu and go through the alignment there. Notice that there are red letters, blue letters, and a green grid. While you are in this screen, adjust the red, green, and blue focus watching the individual color's item until they are in focus. If they won't focus here, they won't focus and you have something else wrong (what I do not know). Then, return to normal programming, then select menu on the remote, then screen, then adjust projection tv convergence both horizontal and vertical crosshare. That ought to get it.

Mar 16, 2008 | RCA P46921 46" Rear Projection Television

1 Answer

Cracked Screen


try here:
http://www.mcminone.com/content/content.asp?pid=promo/mfr/rca&CMP=authrca

Dec 12, 2007 | RCA P46921 46" Rear Projection Television

1 Answer

Blue, green, and red colors all off


I would suggest having a repair person come out to your place to fix this problem. I believe the convergence IC are going or have gone bad. I would estimate a $300 - $400 dollar repair bill.

Sep 22, 2007 | RCA P46921 46" Rear Projection Television

1 Answer

Clicking sound coming from my projection TV RCA Model P46921 year 2000


Bad Flyback xformer = P46921YX1 Part # 239111

P46921YX4 Part # 250694.....................................T.

Apr 14, 2007 | RCA P46921 46" Rear Projection Television

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