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Sounds like big end bearing gone and oil would probably be coming from gear box and engine seam and falling on exhaust its sounds like a pretty stuffed motor but everything is fixable depending on how much coin it coast and if its worth it cya Neil
Hello Miranda, Hi, looks like its an amplifier problem, you see the hissing loud sound means that the amplifier section is bad. the amplifier is usually an integrated circuit, this needs replacement, the job can be done by a desoldering the part and replace by another IC. Have this checked by a technician.
Do you mean audio hissing sound or is there smoke coming out the back?
In what sources does the hiss occur?
Audio hiss with the FM tuner selected would mean it's between stations or you don't have an antenna. Try tuning around the band with an antenna attached.
I have the Sony Bravia KDL-46S4100. The high-picthed hiss drives me insane. I have a work around but not a fix. Go into your TV's menu and find BACKLIGHT. Adjust it from 1-9 with the house quiet and find what frequency of the hiss is the least annoying.
Sony Bravia high pitch hiss hissing sound high frequency
Does the fan run? Have you cleaned the condensing coil?
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