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Re: RCA Big Screen Television
Check the capacitors in the audio circuit sounds like one of the capacitors shorted. you should see one thats swelled or its blew out at the bottom. it may be missing entirely in which case you will notice the leads still there with the cap missing.
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l suspect power supply board has failed---someone would have to open and check all voltage going in and out of the board----if outs are missing (any) the board would have to be replaced.
If you get it open examine the filter caps on the power supply board to see if any are puffed up on top---the tops are silver and should be perfectly flat with no brown material leaking out at top or bottom.
I suspect based on description a component (likely a big IC) failed and they are usually covered with a metal heat sink (plate) so cannot be actually seen---they pop and dead set. Typical filter cap (capacitor)
Check to see if the Lamp has shattered. it is accessible from the rear of the set. Be cautious when you remove the Lamp Assembly for pieces of glass that has fallen out of the Lamp Assembly.
I hope this helps,
if you heard a hissing or like static sound your board probably has a hole in it now. the board on the left side with the flyback fransformer. the hole is from where a prong has come loose an is arking over an it burns the board the ark is the sound you heard.
just might be the bulb. Have you unpluged you set make sure its cooled down and remove the buld examine the bulb ussally when the bulbs go bad they shatter not always but it good to check them out as the first step
#1 When I turn on the TV the power button comes on then blinks 6 times then goes off for a few seconds then repeats the cycle. I have sound over my surround system during this time but no picture.
#2 My sound would crackle and pop every once and a while until now it does nothing. I have to watch it with the surround sound on.