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Is the buzzing sound coming from the TV or your sound system? If it's your sound system, then you may have a bad cable or a shorted cable. What kind of cables, how are you connected to the TV? Need more details to be able to provide a better analysis of your problem. Chris [email protected]
Sounds like you have a short somewhere in the electrical system. They are often very tricky to hunt down. I would say try to narrow it down as much as possibly and then start tracing wires. Hope this helps.
If the buzzing noise sounds like a fork in the microwave, it's time for a new lamp. If it sounds like a squealing noise, it's either a fan or the color wheel. Color wheels are not easy to replace, so I recommend hiring a Service Tech.
Buzzing sound points to a failing circuit, possibly a short circuit. Symptomatic of capacitors on the powerboard failing, The sound you hear is possibly that of electricity sparking across a gap in a circuit but more likely to be capacitor related, suggest taking it to a TV technician
You have a short in the system somewhere. You will need to get a mechanic to do testing to isolate teh problem or get a haynes repair manual for your vehicle so you can use the electrical system troubleshooting guide to isolate the problem.
Something has shorted in the set causing the power supply to make that buzzing sound. Most likely the short is in the horizontal circuit. The horizontal makes the high voltage work which in turn lights the picture tube.
The sound can be called screaming from the power supply,it senses a short and creates a frequency you can hear,the set has a problem and it needs to be repaired,I will check the horizontal out put transistor for a short,sometimes it goes bad without a reason and sometimes the high voltage transformer is also bad and both have to be replaced but first the transistor only if it goes bad again then you replaced the transformer too.Seek assistance from a servicer if you are not too familiar with tv service,it can be dangerous.