Sorry to bug ya, i got the board int the mail and yes, your right the cap c524 was blown and rattling around. it has the P0.22K400 written on it. also the corner, top right of the board the plug looked cracked,so i bent the pins back and fixed the crack. i might have to replace it. Off to Fry's today! anything else you think i should do?
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Try a replacement powerboard, If you hear clicking it could be discharge from a damaged component rather than a relay. Check that your caps are correctly orientated, sorry if I am teaching my grandma to suck eggs
Sorry,could be anythings,parts wise in the power supply board.Check the A/C power cord for damages,by shakings or flippings it around while the tv it on.Tries resolders all the transformers,capacitors and the power a/c socket on the board.These are the major points,power comming in and sustance the tv power.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbush power supply board for the replacement.
ha ha ha this problem is caused by the Y-SUS or Y sustain board (any name is used for it) if you open your tv you coud see around 4 big boards, the left is the Y-sus, if you test its two fuses you can see one of them are blown that means that your YSUS is blow it, the part is 6871QYH953A. and the price is from 35 (the fix kit) to 280. I'm sorry for my laugh but I had the same problem and found it that this model of board is LG and around 18 brands and diverse model of TVs have inside this piece of **** and all of them have the same problem sound and no image.
You either need to completely replace the PSB-Power supply board or replace the Uf caps on the PSB. Usually they are blown and sometimes the capacitors leak the electrolite onto the board cutting of trace circuitry. Recaping is fairly cheap. You will need a solder iron and some solder and of course new caps.
bad news! 19" Sharp! Parts might be costly or not avialable at all. Looks like you may say "goodbuy" to the set or sell it for parts to local repair shop. Last chance is: might be some caps in power supply, being bloated, but it looks like your signal board is quitting.
If the caps you are talking are numbers C8059 & 8060 rated at 3300uF @ 10v then yes that can be the problem. You can use a higher voltage rating( 16v,20v,) but DO NOT change the micro farad (uF) rating. You can do a search for the caps but www.mcmelectronics.com has alot of parts. Go to service parts and components in thier website and then search under capacitors.
Sorry, But we don't take boards in to finx them without the sets. Thanks for asking and I am sorry I can't help in this one. A quick suggestion is to chack all the doides on the PS Board. I find that a dead diode is the major cause is a failure.
Ed ( Radio Man )