While you wait for answers, we may have found some information which could help you.
Success
Message
How can I retune DMTech LT20XTV?
dmtech tv retune???
freeview retune on DMTech tv?
Why doesn't my DMTech TV with DVD player read any of my dvd's?
tv wont switch on?
dmtech 32?
what will cause my DMTECH wt20xt television to switch on and off?
dmtech model lt32xtq?
DMTECH LM17DB can't get rid of subtitles?
dmtech lu20xt short circuit?
DMTECH LT20XTV TV/DVD Combo - freeview locked - what is the lock key?
jumbo remote control?