TV comes on, shows channel numbers, as you change them. Volume goes up and down. Screen is Black with white snow. We do not have cable, but have an antenna. Other tv's in home work fine. TV fine last time it was watched. Turned it on and got this. Glad for any advice you can give.
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Plasma TV's are no longer available. Even if you decide to repair....at minimal you will need to replace three boards. Power supply, buffer boards and sometimes a Y board. At its best it may operate for three months and go down. This TV has served its purpose. Shop new. Thanks for asking, Matt of Martins TV Repair.
It looks like your TV might have a main board failure if the screen stays white without video. Since your TV is less then a year, I would suggest to contact the manufacturers to get fix under warranty. Most electronics devices carry one year warranty.
Check the aerial cable, ensure it is well plugged in and getting signal.
If you are using a receiver box, check cables to TV and receiver (freeview, sat, cable etc.), try setting channels on receiver again, if it does not work but you get static, then either the cables or receiver are defective.
Test the TV on standalone , connecting it to an external antenna. Tune again the channels, and save the preset. If still no signal then the antenna socket on the TV may be defective.
Try using the TV with a DVD.
If you can watch DVDs, and TV is not keeping channels preset, and you tried all the above, at this point htere may be a fault in the tuner card inside tv.
Call the phone number listed on tv user manual to get support, and eventually repair it.
Contacted Mitsubishi directly and found out that QV9 on the remote control resets to factory defaults, clearing the Parental lock out someone had put in place. The TV is in a Retirement Home and some of the folks are sneaky about wanting to control the TV in their own fashion. We will be watching the remote a bit closer now!
The problem you're describing sounds like a tuner problem. BUT you say that you have the
same problem with A-V input too. That's weird!!!
Possibly the electronic TV-AV switching circuit is messed up and stuck in the TV (tuner) position. If this is the case you DO have a tuner problem and a switching problem too.