While you wait for answers, we may have found some information which could help you.
Click here for Stuck Mode RemoteHow can you get rid protect off sharp hifi?
Sharp TU-R160HA Digital TV Recorder?
how can i get my sharp cd-ba 1700 to play a cd?
Sharp micro XL-HP404E will not switch off?
stuck in protect mode?
can i get sound from tv and head phones at the same time?