Sanyo ds35500 goes into protection mode

[ptepe]

Sanyo ds35500 goes into protection mode. There is no video when I first turn it on but there is audio but the TV stays on for only a second or two. This happens after three attempts and then nothing happens until you unplug the set. Then it does the same over again. Does anyone know how to put this TV into service mode? Unable to locate schematic for this set.