We had this unit trouble free until a month before the 3 year warranty expired. The screen would turn off but we still had sound. NEC fixed the unit under warranty and reported the problem was an inverter board, apparantly a known problem with this...

As soon as warranty ended, power pack blew up and nearly burnt my house down! Caused by poor solder in positive terminal of 24v power supply. Now it is fixed it has started cutting out after one second, cycle through and back to video input and it...