Question about RCA HD56W66 56" HDTV

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Firmware upgrade where can i download the firmware for a rca 56 hdtv model hd56w66

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Re: firmware upgrade

Firmware upgrade? i am not aware you can ungrade the firmware on this set this is a rca itc222 chasis. there is service software that allows you to diagnose problems. rca offers no firmware update for this set

Posted on Dec 18, 2007

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3 capacitors on your deflection board it will be bottom board on left hand sise of TV cp 150 2200uf 16v use 25v if it is puffed up on top it is Bad other 2 are cp114 cp120 220uf 35v in same circuit. For capacitors Call Mats 1-800-628-1118

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Does it look like the photo below? Is so its the 270125 flyback and you can get the replacement from If its the second picture thats the Box capacitor also available at that same websited123df6.gif08d7d6f.gif

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1 Answer

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1 Answer

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when you plug in does the front led flash.

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1 Answer


you need a new convergence power supply or the actual convergence amp board. Go to this link and they will be able to help you with the problem . Just leave your model number and problem your having in an email to them.

Apr 14, 2008 | RCA HD56W66 56" HDTV

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