Hi, My 5-6 year old, appx 40" lcd TV began giving off a crackling noise, briefly (2-4 seconds) after being turned on. Noise is from left rear of set, not speakers. How (3 mo later) there is also a hissing sound coming from the same rear area. Also a faint ozone smell.
tbm2ac082
Whats up!!!???
Fire hazard?
Any suggestions would be welcome.
Thanks.
Bill
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If other electronics are too close to a TV this is a common problem. Try moving the 2 items at least 2 foot away and see if that helps.
You may not want to leave them there, but at least you will know if that's the problem!
If you have lost your freeview channels & your picture has been breaking up (pixelating / freezing) etc as well as crackle on the audio, then I would suspect you check your antenna, it could be your incoming signal is weak which would give you these problems.
in my car when I press the accelerator there is hissing sound,did check the air filter by disconnecting the plumbing but still the sound is present any idea what could be causing this sound.
Sounds just like a loose solder connection. The trick is finding it. I would start with the microchips and the large transformer. Otherwise, it could be a capacitor starting to short out. I would give both options a 50-50 chance to be the problem.
Check wiring lead dress==if someone sloppy was
in it prior to you,the audio circuit wiring may
be picking up some noise.
2)Or,you should check the hi-voltage jumper wire
between xformer and hv divider block.It may be arcing.If so,replace the block and the hv jumper.
suggest,checking pwr point earth,power leads, try a different antenna,unplug any external connections not needed to recieve broardcast,shift position of tv by 3 mtrs. Regards Chook.
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