Question about RCA HD56W66 56" HDTV

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RCA hd56w66 Power light stays on for 13sec. tv wont come on.

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  • RCA Master
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DO YOU STILL NEED HELP WITH YOUR TV IF SO ,I WILL TRY AND HELP! First ck capacitors cp150 cp114 cp120 2200uf 16v and 220uf 35v if 150 is puffed up on top replace all 3 capacitors also ck Ribbon connectors there is 2 of them thst conect deflection board to SSB board. resolder all pinns on FBT flyback transfomer.

Posted on Jul 22, 2009

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Posted on Jan 02, 2017

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Hi I have a HD56W66 When turned on it has green light for about 5sec. and goes off with a squeal. sometimes the set comes on and stays. any answer? Tom


THe "Squeal" that you have mentioned is caused by a faulty ballast board(lamp driver). Its the board to which the two thick wires go from the lamp. Replacing the part would resolve your problem

Feb 03, 2011 | RCA HD56W66 56" HDTV

1 Answer

The tv sat in storage for over two years now it wont turn on but the power light on the power button will blink


The most likely case is the CP150, CP120 and CP114 Capacitors have discharged and need to be replaced.

Sep 19, 2010 | RCA HD56W66 56" HDTV

1 Answer

HD56W66 powers on screen flashes foe a few sec.


On your Deflection board Look for Bad capacitors CP150 2200uf 16v CP114 CP120 in same circuit they will be puffed up on top if they are replace all 3 capacitors.other 2 are 220uf 35v and 330uf 35v

Mar 17, 2010 | RCA HD56W66 56" HDTV

1 Answer

Rca hd56w66 no power not even the green light power board looks good suggestions to find the problem?


Check the fuse. Its located on the right side looking in the rear of the TV its the small board where the power cord plugs into. The fuse is on that board.

Jan 01, 2010 | RCA HD56W66 56" HDTV

1 Answer

Rca model hd56w66 turned off and the power light will only come on for a few seconds tv will not completely turn on


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

Dec 15, 2009 | RCA HD56W66 56" HDTV

1 Answer

Tv turns on then right back off no pic or sound


It is in shutdown mode. You have an "overvoltage" (regulation) problem or their is a short in one of the many components causing it to be in "over current" mode. Could be as simple as a bad solder connection. This will take someone with some knowledge of the circuits and test equipment to diagnose.

Jun 25, 2009 | RCA HD56W66 56" HDTV

1 Answer

My RCA TV Mode # HD56W66 is green and red.....how do I get it adjusted.


get a QUALIFIED TECHNICIAN!!!!!! or BUY A NEW TV!!!! ********

Feb 01, 2009 | RCA HD56W66 56" HDTV

1 Answer

RCA HD56W58


RCA HD56W58 Rear Projection TV quit today. Resistor burnt up r14705. Power light goes on and high pitched noise but no picture or sound.

Nov 09, 2008 | RCA HD56W66 56" HDTV

1 Answer

RCA HD56W66 wont turn on!


when you plug in does the front led flash.

Oct 31, 2008 | RCA HD56W66 56" HDTV

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