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R52WH74 I guess I found the right one, I popped the cap off and tested it with my meter and it tested bad. Now all I need to do is find one!

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You can get one at the following link, they usually have a minimum order of 10.00 as they ship free, but you maybe able to get them to sell you one if you asked what the shipping charge would be. They have them under the RCA parts. You can leave them a email and they respond quickly. Heres the link.
http://servicemanuals.vstore.ca/

Posted on Aug 11, 2008

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Posted on Jan 02, 2017

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I own a XG-91D monitor that the screen goes black after about 5 seconds. I found 2-470uF 25V capacitors on the power supply board that were leaky - replaced them but the problem still persists. There...


Hello,

Replace thee 1000uf caps too. A capacitor meter will not test the ESR ( equivalent series resistance ) of the caps the cap meter will show them to be good but an ESR meter will show then to be bad. Also be sure to use low ESR caps. If you use general purpose aps like from Radio Shack it can damage the board board because of the ESR rating. The temp rating needs to be 105c or the new caps will blow out within a month because of the heat in the monitor case ( No fans ).

I hope this helps, if so please rate our solution.

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www.ccl-la.com

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2 Answers

RCA R52WH74 turns off 3 times


Hello Kira-chan,

You are going to have to take those capacitors out of the Tv and check them on a capacitance tester. Some digital multi-meters have them, but I would suggest using the LC102 by Sencore That way you can check the ESR, and the dielectric absorption of the capacitor. It is my suspicion that these caps are bad, but should be checked before replacing them.

In addition check the BLUE and RED CRTs for cracks around the neck oy the tube, BE CAREFUL.

I hope this helps,

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http://www.electron-age-technologies-llc.com

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1 Answer

The A/C unit is just humming could it be the capacitor


Take a look at the capacitor. If it is swollen, rusty, puffed up on top, or leaking it is bad. Sometimes you cannot tell by looking at it so you can test it. Using a suicide cord attach the aligator clips to the capacitor, Place the cap where if it explodes it's remains won't get on you.
TIP: (check to see if the leads are shorted to avoid any minor explosions.) Plug the cord into a 120 volt outlet for 3 seconds. This charges the cap. Tap the cap on an iron surface to discharge it. If it makes a popping sound it is good. If it does not hold a charge it is bad. Another way is to check it with an analog meter. Set the meter on the most sensitive setting. Touch the leads to the discharged cap. The needle on the meter should hop; reverse the leads and retry it should hop again. That is an indication of a cap that will hold a charge. If the needle never moves of course that is a sign the cap is bad. Also if the needle goes all the way over and stays, that is an indication the cap is shorted and therefore bad. The cap is designed to boost the power to the motor to get it going with multiple windings being powered up at once. As soon as the motor reaches running speed the cap drops out of the circuit and it takes half the power for the motor to continue running at optimum speed. This saves energy.
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If it's bad, it will just read 'OL' or go right to 'zero' meaning it's either shorted or open.

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1 Answer

RCA R52WH74 Picture is sagging, looks 3d, and double picture


Go to menu then setup look for convergence if you do not see convergence then you have A open FUSE It will be on right side of FBT flyback transfomer there is 3 of them in a roll they are small brown rectrangler looking caps but ARE FUSES it will be the one in the middle. Replace it and you have a FIXYA.

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