Question about RCA D52W23 52" HDTV CRT TV

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D52w23 making loud whine

I have the one with the whine...it is coming from a black cylinder wrapped in wire near the flyback sticking up from the board...if you touch it on top it stops whinning....what is this thing and what can I do to make it stop?

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  • RCA Master
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Either replace that part or try resolder,then put Glue on it from Glue gun.

Posted on Feb 13, 2009

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Loud whining noise in mitsubishi magna 1991 auto 4 cylinder


The engine will have to be removed and inspected, to find out what has happened. Big expense, may need replacement engine.

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You have may be two bad eletrolytic caps and a high voltage safety cap that are bad. And maybe a bad flyback. This is the common problem for this TV. Sorry!!!

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Check the CRTs . That model was notorious for laser like cuts right around the neck by the yoke. I just had one today doing the same thing. The CRTs are no longer available so the set is scrap. I hope that's not your case. Let me know.

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Remote works near the player within 4 inches and not beyond


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Tv turns on then shuts off in seconds


unplug remove the back "CAREFULLY" slide the the plastic board assembly out do not unplug anything check near the flyback for a large grey capacitor check for burn marks underneath it if no check at the front of the same board inside one of the heatsinks for a swollen capacitor if thats not it you need a flyback and or horizontal output

Jun 10, 2009 | RCA D52W23 52" HDTV CRT TV

1 Answer

D52w23 rca makes an awful loud high pitched whine


This is a coil, now a NOISY coil.. It is a common problem, and happens often. The whine is caused by current passing thru the copper windings and making them vibrate! A commonly accepted repair for this situation is to squirt some regular old super glue into the copper windings and let it harden for a few minutes..Viola! no more whine!

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The HOT Hortz output transistor has gone home, 99% of the time from a faulty IVHT (Flyback Transformer), very common on the ctc187cl* chassis. The factory Flyback is no longer available, I have had problems finding an aftermarket one to replace it with.

The HOT is a BUH517, but you can also use a 2SD5129. It is the transistor mounted on the siler heat sink with a metal clip rather than a screw, just in front of the flyback.....

If you replace just the HOT, most of the time you will get a rapid arc (27,000volts - BE CAREFUL!!!) from the lower (yoke) post on the flyback. If the flyback is shorted, It may also just burn out the HOT and go right back to "squealing"....

Good luck finding the flyback!!!

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You need a new flyback thats what the 3 blinks means. you can get a replacement flyback at the following link and they give free tech support so you can easially install it yourself you need flyback 259296 . Heres the link.

http://servicemanuals.vstore.ca/

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The beeping noise is usually related to the Horizontal out put transistor or flyback being faulty or one of the coils are loose near the flyback. If you remove the rear cover without touching anything can you tell if the beeping is coming from the large transformer with the red wire coming out of the top or is it coming from a black transistor on a aluminum heat sink.

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Phillips 60PP9202


Try removing the back panel and try to power up the set and see if you can determine if the popping sound is coming from the flyback, in case your not sure what a flyback is it has a large red wire coming out of the top of it. If thats where its coming from let me know as you may need a flyback.

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