When turn on tv with remote and without remote it

I have original remote but nothing even tried to reset tv why wont the remote work

I have the same tv. Something to remember is that the picture is lamp powered. It takes about 30 seconds to power on and takes about a minute to fully power off. I had issues when trying to turn on the TV, accidentally double tapping the button, which would turn it back off. I'd do the same when trying to turn off the tv.

If you are sure this isn't the issue and the lamp light is still on once the tv turns off, most likely your bulb is burnig out. You can find replacement bulbs on the internet. They are fairly easy to install yourself, so you shouldn't have to have the tv serviced.

If the bulb seems fine, your tv could possibly be overheating. In that case, make sure the vents are cleared as the tv gets pretty hot.