Question about RCA P46924 46" Rear Projection Television

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RCA Model P46924 I screwed up

OK, heres where it all started, I traded this TV for a junk Car with a good friend of mine who had the unit sitting in his garage for a year(where the junk car has now been sitting for 2) and nothing was wrong with it except for the fact that the only way the unit could be turned on was with a remote, big deal. Anyway, The TV went into a 3-d like mode for about 3 minutes adn stopped working about two months after I started using it. I put it out in my Barn, disgusted without even looking it over and today, about 3 months later I took off the back and discovered a fuse was bad! Over excited I installed the only fuse that size I had that was too strong. The TV powered up and worked bveautifully besdes that the green picture tube was out. I thought that mabey this is what had contributed to the 3-d effect. I then took off the front of the TV so that I could better examine the picture tubes. It was then that I noticed that the ribbon cable that went  frompicture bulb to picture bulb was dissconected from the middle(green tube) I ONCE AGAIN OVER EXCITED,  plugged it into the circuit board and it seemed to be working fine, althought the 3-d effect conituied to be a problem and I smelled the dreded Electronic buring smell. The screen went flashing blue and I freaked out and ripped the plug from the wall. I waited about a half hour and plugged it back in  the tv powered with  the Blank TV sound and speakers functional . There was No  picture, no lights. I tried to detect the smell that seemed to be coming from somplace near the back right corner, as if you were facing the front of the TV.I did not see any burns or cracks but could smell electric  I Am going to repost this forum on many help forums. Not to insult anyone I'm just relaly trying to solve this problem. Thank you in advance for any help and advice you have to offer.

                                                        ---Jordan Walker

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Check connections at the HV distribution box (where the leads from the flyback connect to) and make sure all of these are in solid first. It sounds like a device is burnt open, since the over- current protection is not activated. This would allow the TV to still turn on, but with no picture. Of course you had installed a fuse too large, so that could explain that too- don't do this, you might have made the problem worse by burning out more components. Could be a bad horizontal deflection transistor or flyback transformer. Transistor p/n 2SC5148, flyback 239111 for this model, RCA P46924. You can find them on ebay for cheap.

Posted on Jan 06, 2008


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Posted on Jan 02, 2017


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My rca model # p52721lv keeps blowing the fuse have replaced several times with the same results.

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Jul 18, 2011 | RCA P46924 46" Rear Projection Television

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Jul 01, 2011 | RCA P46924 46" Rear Projection Television

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I have a 2001 RCA Home Theater Projection TV Model p46924, Chassis # PTK195M34A. The screen all of a sudden started going dark and then just black. I have had it unplugged for about a month. Plugged it in...

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Aug 06, 2017 | RCA P46924 46" Rear Projection Television

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Apr 22, 2011 | RCA P46924 46" Rear Projection Television

1 Answer

Needs to be cleaned

The back comes off the unit.  Lots of screws.  If you do this, DO NOT touch anything related to the tubes.  Power it off for several hours...unplugged...before touching it.

Nov 23, 2008 | RCA P46924 46" Rear Projection Television

3 Answers

No power

Yes could be several problem, the first one in my mind is burt horzirontal transistors, Q14401 or bad hight voltage block.
Could be convergence problem that is causing the system to shout down.

Hope this helps

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Mar 01, 2008 | RCA P46924 46" Rear Projection Television

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