Question about RCA P56930BL 56" Rear Projection Television

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My tv screen is out of focus

The tv screen has duplacated pictures and it has a big bow in the top and the bottom how can i fix this thanks

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  • badb0y010 Apr 01, 2009

    I was going to try to do an auto convergance, but the option is no longer available in my menu.

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THAT IS REPEATED PROBLEM WITH THE RCA AND PHILLIPHS PROJECTION !! THE DEF;ECTION BOARD WHICH IS THE ONE WITH THE TRANSFORMER HAS LOOSE CONNECTIONS AROUND IT AND THE FUSE BLOWS .RIGHT BESIDE OF THE TRANSFORMER ,THEY ARE LITTLE RED SQUARE COMPONENTS !! THE ONE IN THE MIDDLE OF THE 3 IS BLOWED ,I THINK ITS A 1.25 AMP ,JUST REPLACE IT AND RESOLDER THE CONNECTIONS AROUND THE XFMR AND U SHOULD BE SET TO GO !! I HAVE OVER 40 YRS OF TV REPAIR AND AM STILL DOING IT !! IF U HAVE ANY QUESTIONS E-MAIL ME !!

Posted on Jan 23, 2009

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Posted on Jan 02, 2017

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1 Answer

My 52" RCA P52937SG screen bows on the top and on


What you are describing can be due to a number of different settings.

Focus on the red and green guns
Sharpness on the red and green guns
Horizontal position and size
Vertical position and size.

Please consult a professional for adjustment on these items as they are all near or connect to parts that have Hazardous Voltage.

Mar 22, 2011 | RCA P52937 52" Rear Projection Television

2 Answers

The pic is off there is bowing at the top and


Picture becoming distorted at the top/bottom of the screen is due to the convergence circuit going bad, and is a common issue with big screen projection TVs.

The convergence circuits will need to be repaired, which will generally require some soldering and ordering new parts for ~$75. If you want to get a TV technician to repair it then you will probably be looking in the region of about $300 for a repair.

Here is a link to repair guide for a Mitsubishi TV. Obviously a different model, but the convergence circuits are generally the same for most makes/models - this will give you an idea of the work involved to fix it: http://www.techlore.com/article/22530/DIY-Repair-Replacing-Convergence-IC-s-on-a-Mitsubshi-TV-Set/

Nov 17, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Double Vision & Bowed Screen


Chances are that the convergence amps are bad.
If those are mounted on a separate board, replacing the board would be the easiest thing to do. Running the magic focus or touching up the convergence in the customer menu may be required.

May 04, 2009 | Samsung HCN653W 65" Rear Projection...

1 Answer

I have a 53 in. sony projection tv,. bowed picture tubes?!?


Replace Both STK convergence ICs will have part number on them STK392-560 use same part number on your STKs. Also around ICs ck pico fuses 5/6amps they are green or yellow.

Jan 07, 2009 | RCA P56930BL 56" Rear Projection...

1 Answer

Cheap Fix?


I will strongly advise you to replace the two STK392-120 as a pair. and this will cure your bowing picture problem. You may need to re-converge your set. best of luck.

Nov 05, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Rca p61960 projection tv


That sounds like a Pincushion problem if you having bowing. It's probably bad caps and diodes on the deflection module. This is not an easy fix. If you know how to read a diode and you visually inspected the caps you might have some chance of fixing it yourself.

Aug 17, 2008 | RCA P61960 61" Rear Projection Television

1 Answer

Double focused, red and green, bow in picture top and bottom


hi
You have a convergence problem
If the set has auto focus and will not complete its cycle.
The Auto focus module is bad, (expensive)
If it completes and the problem is still there.
Then check for bad conv. drivers (stk****) or cold solder joint on one or more of the 3 drivers pins.
Guy9

Jul 08, 2008 | Hitachi 65S700 65" Rear Projection HDTV

1 Answer

Zenith IQ6097DT 60 inch big screen


Convergence circuit repair plus fuse in the power supply,
usually 300.-400.00.....................if you are mechanically
able and can solder well,it is possible to DIY...................T.

Mar 31, 2008 | Zenith IQB50M90W 50" Rear Projection...

1 Answer

Problem with convergence


bad convergence ic's
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 03, 2008 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Bow at top and bottom of the screen


http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 10, 2007 | Samsung HCM5525W 55" Rear Projection...

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