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The picture is double or triple & it shuts offon its own. Make-rca Model-r56wh78 Serial#-g436cg038

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It has a bad Electrolytic Capcitor near the horizonal output transistor. I can't recall the locater number but a good cap checker will find it.

Posted on Oct 09, 2010

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Posted on Jan 02, 2017

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NEED PART NUMBER FOR PROJECTION HDTV. MODEL R56WH78 FOR THE PROJECTION BULB


Good Morning
your set does not have a bulb it has three CRT'S picture tubes . and if the set is not working its not likely that the crt's have all failed . you most likely have a circuit failure like a high voltage trippler block or some where else in the set . what are the symptoms at start up .

Oct 15, 2014 | RCA Televison & Video

1 Answer

My rca hdtv r56wh78 keeps shutting off on its own


Replace the deflection board. They are available from www.tvrepairworld.com

Sep 26, 2011 | RCA Televison & Video

1 Answer

Our TV shuts off after about 10 minutes (RCA R56WH78)


power suply problem,call a service man it takes only half an hour to sort out

Mar 10, 2011 | RCA R56WH76 Projection Television

1 Answer

Not powering up


is the REM wire from the unit hooked up to the amp?

Aug 11, 2009 | Kenwood KAC-8402 Car Audio Amplifier

1 Answer

3d like picture, 3 colors bending across screen. convergence option gone from menu


There are bad solder connections on the flyback transformer and fuse #FL231 is open. Pretty hard to repair this yourself.

May 26, 2009 | RCA R56WH76 Projection Television

1 Answer

Convergence problems with rca r56wh78 how can i fix it?


go to the following link and leave them a email with your model and symptoms and they will assist you with the proper component that will need to be replaced to correct the issue and they help with free instructions when you order the components.
http://servicemanuals.vstore.ca/

Apr 25, 2009 | RCA P52926 52" Rear Projection Television

2 Answers

Menu flahes on and off


contact switches on front panel board are dirty or bad try cleaning switches with contact cleaner first thy are the ones that turn tv off/on vol- vol+ ch- ch+

Dec 20, 2008 | RCA D61W20 61" Rear Projection Television

2 Answers

RCA 56 inch hdwidescreen


Did you use the Automatica Convergence to try and straighten it out? If that does not help, you can manually adjust the convergence.

Jul 12, 2008 | RCA HD56W58 56" TV

3 Answers

56" RCA HDTV Projection Model # R56WH78


This is a rear projection CRT TV (picture tubes)Not service-friendly (disassembly,getting parts)more problems compared to other brands....

Sep 12, 2007 | Televison & Video

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