We may have found other answers which could help you.
Click here for Managed Lock IdeasProline 1490R - I can't tune in BBC1 properly?
My Proline JV427A Plasma TV wont switch on occasionally/timeously?
TV problem?
Need Power Plus code ?
I am the owner of a PROLINETVC140S it has been used as a monitor recently ?
How can i fix my Proline JV427A Plasma tv that goes off for days?