Question about RCA P46924 46" Rear Projection Television

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How to align projectors

The tv shut off I found and changed a blown fuse, however when it came back up the words on screen were tripled. I found how to focus but not align the projectors. I have found another owner wiith the exact same problem. I have no manual so any help would be great.....I miss my big screen :(

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  • noyfb Nov 05, 2008

    The fuse was the one right by the power cord.

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It could be a fault in the convergance power supply. Located on the right hand side looking from the back. What fuse was blown. ?

Posted on Nov 05, 2008

  • avtva Nov 06, 2008

    I would test the convergence power supply there are a couple of resistors that give trouble R9 and R18 Replace with 1 watt

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I got a 43FDX11B Hitachi TV and the image got kind of doubled on the left side of the screen. The problem did not occurred gradually. I realigned the projectors (I found that the crosses where not aligned)...


All projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 08, 2011 | Hitachi FDX Series 43FDX10B 43" Rear...

1 Answer

I have a Legend 42"


In that board, check the chip under the big heatsink.
Find the replacement and change it. Put a new fuse and that's it.

Dec 27, 2010 | Televison & Video

1 Answer

T.V. SHUTS OFF - SCREEN GREEN WHEN TURNED BACK ON!!!!


is it a tv or rear-projector? does it brings out the sound?

on a tv it could be the chromatisation IC that is defectiven when it goes blank. why? because of a power surge in the electrical net the tv got too much voltage to take.

try to desoldeer the EPROM IC and power on the set. does this make the set goes normal blue screen? if YES,you can order a new EPROM IC.

succes and enjoy

Jul 17, 2010 | Sharp 13VT-R100 13 in. TV/VCR Combo

1 Answer

I HAVE DOBBLE AND TRIPLE VISION HOW DO I FIX IT


This is caused by a blown fuse on the convergence circuit. There will be missing menu items in the service menu as well when this fuse is blown. You must replace the small block type fuse and then enter service menu and converge the television back to normal. This requires removal of the main board, unsoldering the component and replacement, and then alignment.

Apr 30, 2010 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

The screen looks like I need 3D glasses to see the picture. What part do I need to fix this?


Depends on the set, but it sounds more like your projectors have come out of alignment. Hopefully this isn't washout due to a failing emitter or projector. I would let a certified TV tech check the set for alignment since rear screen sets are very dangerous. All three projectors have their own HV cap and flyback, which triples the chance that you will get zapped.

Mar 09, 2010 | Hitachi 53FDX01B 53" Rear Projection...

4 Answers

Projector keeps turning off every 5 mins


if just the lamp turns off and the rest of the projector is running, it's time to change the lamp. if the whole projector turns off (not goes through shut down), it may be a power supply problem.

Aug 19, 2009 | Panasonic PT-AX100U-EC DLP Projector

1 Answer

FL231 Fuse not blown


check the convergence power supply board for blown reistors. Thats the upper left board when looking in the rear.

Jun 09, 2009 | Televison & Video

1 Answer

RCA HDTV HAS COLOR SPLIT ON SCREEN GREEN & RED


I HAD THE SAME ISSUE. I WAS LUCKY, MY TV WAS UNDER WARRANTY. THEY SENT IT TO BE FIXED. THEY REPLACED 2 CONNECTORS FROM THE PROJECTOR AND THE ON/OFF BUTTON. THE WIRES WERE NOT TRANSMITTING THE SIGNAL/ OR A SHORT IN IT. THEY REPLACE THEM ALSO. IT WOULD TAKE MY TV ABOUT 2 MINUTES TO TURN ON. THE COLORS WERE OFF. AND I HAD DOUBLE OR TRIPLE VISION. THEY ALSO REPLACE A FUSE IN THE PROJECTOR PART OF THE TV. THE FUSE ITS SELF COST ABOUT 275.00 WITH OUT LABOR. I DIDN'T PAY A THING I WAS ONE WEEK SHY OF MY WARRANTY TO BE OVER. EMAIL ME IF U THINK THIS HELPED. THANKS VERONICA.SANCHEZ@VETERANS.IDAHO.GOV

Jan 06, 2009 | RCA P52926 52" Rear Projection Television

2 Answers

Trouble Aligning Colors


If the convergence is missing in the menu in screens,you have a bad reg ic on the convergence power supply the part number is 215530,the power supply is located on the black plastic above the right module with all the heat sinks

Nov 15, 2007 | RCA P56930BL 56" Rear Projection...

1 Answer

Dvd not ejecting


I just found my solution. I pressed the power button on the remote and the stop button on the tv at the same time, and it unlocked the dvd eject.

Sep 14, 2007 | Panasonic PV-DM2792 Triple Play 27 in....

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