After using it for a couple of hours, my Sony 42' CRT TV make a crackling noise when I turn it off. Whyh is that? It also happens with other CRT's I've got.
2006-09-17 23:38:09 · 10 answers · asked by Anonymous in Consumer Electronics ➔ TVs
Static electricity. It takes a heck of a lot of power to run that monster CRT, and that creates a large amount of static ... particularly if you live in a dry or dusty climate.
This sounds like a pretty valuable device. I would consider taking it to the TV Repair shop for a cleaning. There is no immediate danger from that crackling, but eventually, it could cause a short in your electronics.
2006-09-17 23:41:45 · answer #1 · answered by Grendle 6 · 0⤊ 0⤋
Static build up on a picture tube is quite normal; you can often hear the discharge -- a kind of 'shooshing' noise -- when the TV is switched off. This static discharge is usually not enough to do damage to your set.
A similar discharge can occur when there is a sudden reduction in brightness level but you don't usually hear this as the charge tends to be dissipated slowly, though you may become aware of it more in very dry weather.
It is also possible that your house may be very dry, especially if your home has warm air central heating and is well insulated. If that is the case you might like to try an experiment with a room humidifier and see if that makes a difference.
2006-09-18 00:13:52 · answer #2 · answered by no.1stoogesfan 1 · 0⤊ 0⤋
Tv Crackling
2016-10-29 05:31:28 · answer #3 · answered by ? 4 · 0⤊ 0⤋
No1 stoog has already answered this correctly but I will reiterate ... static electric in this case is of no concern , it can not electrocute you or harm you ! Have you ever pulled a nylon shirt off in the dark while facing a mirror , you can see all the fireworks from static build up on your body and the shirt ! try it !!
2006-09-21 18:10:37 · answer #4 · answered by Realist 2006 6 · 0⤊ 0⤋
Static Electricty
You can feel it if you bring ur hand (with hair) near the TV just after shut down.
I can do it in front of my 27inch but wont advise u to touch it.. u might get a shock when u touch a metal.
2006-09-17 23:45:12 · answer #5 · answered by Amrendra 3 · 0⤊ 0⤋
Mine does this also. It is a new TV that I bought last February and I noticed this when the weather got better and the windows were open all the time; I figured it was the climate (humidity and heat).
2006-09-17 23:49:08 · answer #6 · answered by Anonymous · 0⤊ 0⤋
Just a guess, but it's probably static electricity. It often makes little cracking or popping sounds, but the bigger items can make sounds like a thunder "pow".
2006-09-17 23:46:08 · answer #7 · answered by torreyc73 5 · 0⤊ 0⤋
.........it is the static on the screen.............plug the TV out at night and clean the screen........do it .....and the static will go.........taking the plug completely off the power is the solution......
2006-09-17 23:52:21 · answer #8 · answered by spaceman 5 · 0⤊ 0⤋
I though you were all knowing lol,check out some electronic repair places in your area
2006-09-17 23:41:34 · answer #9 · answered by Anonymous · 0⤊ 2⤋
probably dust or humidity... how's the air in your house?
2006-09-17 23:40:44 · answer #10 · answered by Walter W. Krijthe 4 · 0⤊ 1⤋