The set is not switch on from standby, and remains. That is the fault. There can be may reasons for this fault. Starting from power supply section circuit, up-to its main system control section should be troubles hooted. That means, your TV need a through check up. Actually, this is not a user repairable fault. It will be best to contact any service technician. If you are sound in electronics check this link.
http://electronicshelponline.blogspot.com/ Selecting the view option, either to
Mosaic
/ Time slide, can be selected by the
drop-down list, at the top left
of the display window, will make surf easy. You can also do a search, by type in the brand name/model
number/IC used, in the search box at the top right of the display window.