Tv keeps shutting off - Hitachi 57F500 57" Rear Projection HDTV-Ready Television

in this case you tv main board is defective because this is a temperate error please replace main board

Power board problem. Get a honest TV tech.

Check for bad capacitors in the power supply. Check for voltages. You can get a board at Encompas Parts.,

Please recheck new lamp is placed in its position correctly and lamp cover is well seated.
Hope that will help to fix TV.

Since your plasma is less then a year old, I would suggest to contact the manufacturers to get it fix under warranty. If the plasma keeps shutting off by itself, that is not normal and should be repair.

my dtv1907 goes off after 2 mins

your tv may have a sleep alarm built into it- go into the menu screen for your tv and see if it has one and if it is set up to turn off after so long

This shutting on and off~On Durabrand TV`S. If your Tv Turns Off after about 1-11/2 minutes after turning it on then you need to replace your batteries in your remote control with BRAND NEW BATTERIES or it will keep doing it. It is a real pain in the behind especially if you dont have brand new batteries handy!