my bravia Sony TV only brings out the power light and doesn't come out with picture, I have tried a lot to unlock it but all to no avail pls try to help me with the steps to take. the TV is a big one which is 46invhes, it was brought to me from US, it works for about two weeks b4 someone just press the remote without its full knowledge, since that day it doesn't come out with pictures again.

livesoccer, April 2014

I've found 2 support alerts about the Travia line:
http://esupport.sony.com/CA/p/support-info.pl?info_id=1381
https://corporate.sony.ca/view/oct11.htm

It's plausible that you may be affected by one of those.

It's possible that that person accidently changed the video source. Consult yopur user manual to find how to set it back to the correct source.

You can find the manuals in PDF format here:
http://esupport.sony.com/CA/p/select-system.pl?DIRECTOR=DOCS
(without the exact model number, i can't go farther)

Electro, April 2014