While you wait for answers, we may have found some information which could help you.
Click here for Unlock Childlock RemoteGoodman box stuck on channel 3 tv froze unplugging doesn't worry?
How to unlock my akira tv without remote?
Humax P9300T?
My tu160dtr wharfdale Unit is dead?
How to repair?
I have a Sony svr s550 freeview recorder with a which worked fine?