Sorry this tv have more trouble than an average person can handle,the buzzing sound u hear that FBT-the Highvoltage Flyback Transformer 100% already dead also other possible components on the Highvoltage Deflection circuitries are dead too,must be troubleshoot by a qualify tv Tech.This tv is not going to be cheap to troubleshoot and repair by a Tv tech.The FBT alone replacement alone,will cost u like $200 already,also troubleshoothing orther electronics components cost U who Know?
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