Question about RCA D52W20 52" Rear Projection HDTV-Ready Television
If you take off the back cover, cp 150 is located on the left circuit board. There are 3 or 4 C-shaped metal heat sinks in the board, and capacitor cp-150 is located inside the furthest one. Once you find cp 150 check the top of it to see if it is still flat, as opposed to puffed up. If it is puffed up I am almost certain this is you problem.
My tv would flash green 3 times and turn off for 45 seconds. It was taking up to 20 minutes to finally turn it on, so I bought a pack of 5 capacitors off of ebay to replace capacitor cp 150, which is just a (2200uF,16V) capacitor. I replaced it 10 minutes ago, and the tv turned right on. Fix Ya!
Posted on Feb 26, 2009
The truth is, there could be a million things wrong with the TV. The reason the power button flashes three times is because the TV gives it self three chances to turn on. If it fails it shuts off. I was having the same problem. So I thought it was the flyback transformer because those things go bad very often. I bought a new one, installed it but still the same problem. Through the process of elimination I determined it was infact a bad connection on another transformer located on the same board as the flyback just all the way to the back. I resoldered the connections and haven't had a problem since. I think the problem was because of a, "cold solder joint" where the solder isn't making good enough contact for prolonged use. Also the "clicking" noise people are describing is an electric discharge coming from the transformer. Like shocking someone after rubbing your feet on a carpet. That is what lead me to check the solder joints on that tranformer making the noise. I hope this helps people.
Posted on Jan 07, 2009
Im a tech.my personal opinion why the hair dryer heat works on the deflection board is that rca power up protect software specs were too tight,designed by 1st new unit.over a period of aging of the parts,1 of the test voltages may be coming up slower than the software can accept.i have no idea which voltage line or lines may be at fault.however,rca engineers would know but rca has refused to support this tv.there are no replacement boards also.im glad i posted that hair dryer tip cause i stumbled on it by chance.that tv too big to just discard easily.mine still works if i heat up the deflection board.
Posted on Jan 08, 2009
I had the same problem with my 56'' RCA t.v. I checked the whole bircuit board with the flyback transformer, which is located in back of the t.v. on the left side, and found 2 capacitors that were bulging at the top. This told me that they were bad. I desoldered them and replaced them with good (220uf 36v
Posted on Aug 25, 2010
I ran a hair dryer all over the vents on the back of my tv after not using it for months and I'll be a son of a gun if it didn't work. I had the air on cool changed it to hot ran it over the vents, turned the tv on and it came on....seriously I didn't believe it myself
Posted on Feb 26, 2009
Used hair dryer trick, and it worked.
Wonder if it's a dust issue?
Posted on Nov 12, 2008
I also used a hair dryer for a few miniutes and the tv turned right on ..
Posted on Oct 02, 2008
Im Dave9375. I posted the problem with my RCA TV. I had a local repair guy come out to my house, charged me 95.00 to tell me that he didnt know what it was but it was going to be expensive and had to take to the shop to find out. I gave up on the tv and bought a new one. I put the old one on Craigslist for sale and immediately got a response from a guy who knew what was wrong with it. Mine had a 4.00 part, I believe it was a diode located shortly after the transformer that had went bad, possibly due to the power surges that had been going from the past ice storm. So from what I now know, when the light is flashing and does not come on it can be many different things. The tv has detected some part of the tv pulling to much power and shuts down, however it does not tell you what part of the tv has the problem. Mine is working fine now.
Posted on Jun 02, 2008
I did what the other guy said to do. My husband took the back off of the T.V and blew the hair dryer on it for like 10 minutes. The T.V. came back on and we vow to never ever cut it off again.
Posted on Sep 30, 2008
I was just told by my shop that small signal board is bad. $450 dollars to replace.
Posted on May 30, 2008
As suggested to another user, there may also be a child lock feature for this unit.
Suggest you drag out the user's manual or download it here.
Posted on Jan 23, 2008
I need some one to help me i have a 52 rca and the power wont stay on help me plz
Posted on Sep 29, 2008
TURN ON AND FLAS 3 TIMES THEN SHUT OFF
Posted on Jun 01, 2008
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Posted on Jan 02, 2017
SOURCE: power button flashes 3 times but not turn on i here a sound in the back of the tv but tv will not come on was wondering if there are any easy checks or what might be a common problem for this and HOW
No, more than likely you have a bad power/deflection board. It must be replaced by a professional service technician.
Posted on Feb 10, 2008
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