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The usual cause is a shorted horizontal output transistor. The way this chassis is designed, the supply makes 140 volts which is always on and applied to the transistor. The heavy load on the power supply causes it to make that chirping sound as it keeps trying to start, then shuts down right away.
The h-out is Q14401, RCA part number 237470. A 2SC5148 can replace it.
As long as your not hearing any chirping or wheezing that accompanies the power light flashing, then you may just need to replace the CP150, CP120 and CP114 capacitors. You can get the repair kit by that same name from www.tvrepairworld.com the kit contains the capacitors and the CD with repair instructions.
i have a friend who has this tv and the same problem. i called a repair shop abd i was told it is the high voltage converter. $400 to pick up drop off and repair.
I had the same problem and it was the cp150. It cost me $2. Easy to change. I would look in the back and see if any of the capacitors are popped or bulging out on the top.
hello. sound like u have a power suply trouble. that sound u hear is most like lee the fly back. leaking out high voltage. what ever u do . don't try to open the set. u could get the scok of your life around 50,000 to 150.000 volt's .!!! and it no joke.!!!
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