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Re: RCA TV Model F32444 Will not power on
The noise you are hearing is probably the degauss (it demagnetises the screen every startup). The most likely problem is the power supply. Do a replacement of all the caps on the powersupply board and it will likely fix your problem. Because it still has power to the degauss coils it hasn't blown the fuse. Power supply not starting like that is usually caused by a small electrolytic capacitor near the heatsink on the mains side of the powersupply. They can be replaced for about 10 cents.
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Unfortunately, the Power Supply has spat the dummy out. It is giving enough power to light the LED but not enough to run the set. To replace it will probably cost more than buying a new set. But ask around your local repairers for a price before you make any decisions...
While it could be that the power supply has failed, it's more likely a problem within the Horizontal sweep circuit. Might be the Horizontal output transformer, or, the transistor, or both.. An exception would be a shorted diode in a derived supply from the horizontal sweep, or a short on the load circuit of the supply. All of the parts are soldered in. There is no "power supply" that can be removed and replaced as a unit. If you have no electronics experience, stay out of the TV. You have no business inside of a box that when working develops something to the tune of 30,000 volts. Not just a little dangerous, it can kill. If you have the experience, fine, if not, consult an electronics servicer.
If this is a crt type tv. This could be attributed to a faulty high voltage circuit. A defective horizontal output transistor or the flyback. Or better to check some minor component with regards to flyback like diodes.
I have seen some RCA TV's with this problem and it has usually been a switch going bad on the keypad of the tv. This can be confirmed by disconnecting the plug from the control panel to the main chassis.If you are lucky, and the ir rcvr for the remote is not on the control board, you can still control tv with the remote.Good luck.
A high pitched chirp is a sign that you have a short on the load of your power supply. I just finished repairing one of these sets and it had a shorted horizontal output transistor and a bad flyback transformer.