I have a rca 36 inch tv from about 1991 and last couple of months it would go off by itself about twice a week. it would go right back on if i hit the power button, but not anymore. early last week it started going off every time it was on after awhile. then it didn't come back on at all, i pushed the power button and i hear a click then heard the tv screen do the degauss thing and the light goes off and it is done. now it does nothing at all i hear no noises and don't see anything on screen. i tried unplugging it and checked the fuse but it was good. any help would be appriciated.
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I just want to ask you something before I give the solution, does the unit gone to start-up problem (needs warm-up before it finally turn on, needs to pressed the power button key several times, needs to unplug from the outlet and plug it back in)before, you have said that you've encountered it last few months?
Most likely the Horizontal output transistor has shorted. When it shorts it causes the power supply to chirp. This is a common problem with this series of TV. Have a shop check it out. It should not be real expensive.
I wouldn't advise doing it yourself. All you have to do to kill yourself is touch the wrong part connected to the magnets on the back of the tube-even if it has been unplugged for a couple of days- no joke. The repair place will be better able to track down the part, and install it, and guarentee it. Be aware- it might take a week or two for them to just get the part-then they have to install it.
Mike-It looks like the power supply is going on your tv-it can be replaced. This happens, usually, when little kids are playing wth the remote or power button on the tv. Turn it off and on a whole bunch of times in a row, kids love to do that, and it burns out the power supply part- to make a CRT tv like your RCA36 incher- which is a beautiful machine- I have the RCA/PROSCAN 36 incher-LAST longer...You should always wait 5 min between turning it off and on. Don't ever sell it. This one is worth fixing. It has better color and sound Than the new plasmas and lcds-The Pros know this. Be carefull, they might try and talk you out of it-so they can fix it and have it for themselves. So what if it's not High Deff. It's a great set.
check the main fuse in the tv. test it with a multimeter, not visually. if its the thermistor that blew the fuse, it is very difficult to see the break in the wire. replace if blown. if unit blown fuse again withing a couple of weeks replace the thermistor in the degausing circuit.