While you wait for answers, we may have found some information which could help you.
Click here for Child Lock Tv Modelttv-293d blew R507 and R508 in the power supply,pls I want values of these resistors?
how can I fix my ttv2629 telefunken tv?
how can I unlock the child lock on my Telefunken TV model 7435?
How can i turnoff child lock on telefunken tv?
how to unlock child lock on my telefunken TTV -2926?
Disabling child lock on TTV-2926 Telefunken TV?