While watching the RP it made a buzzing sound and the screen went blank. Something appears to have burned out. I have taken the rear cover off and cannot see anything obvious. Can someone give me some direction on which part it could be.
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The buzzing noise that you were earing came from a bad ballast, and because of the bad ballast your lamp must have got out also, and that is were you are getting the burned smel from and also that is why you are no longer geteting any picture either.
So in this case you would have to replace the ballast board and the lamp on your tv set.
You would have to try an INIT and see if it causes the tv to be operational again. It is something that you have to be walked through step by step by step and can erase the memory of the tv if done improperly. Call Sharp tomorrow morning at 9AM CST and someone can walk you through one. Call 800-237-5277 or if you have an aquos advantage model call 87-332-7867
On that model look for a small yellow cap, half the size of coin, dime. LOOK very closely and you will see a small burnt spot on the cap. The TV uses about 4 of them, they are 120/110 @ 2 kv. There are located in the high voltage circuit.
This the most common, it could be flyback or HV devider.
Good Luck and Day, big irish.
LET ME know.