I found this link for your help, hope it will help you out.
http
/electronicshelponline.blogspot.in/2014/09/how-to-unlock-televisions-without.html
"Toshiba Master Codes:
0711, 6688 and 3308.
* Try each one until one works.
* This will reset your Toshiba TV to the original settings. However, you will lose any information such as favorite channels, clocks, etc." This are the codes you need to try. Hope it will help you out.