We may have found other answers which could help you.
Click here for Playing Music PlayRoberts duo logic display backlight on but not working?
How can I fix my Roberts Unologic DAB radio?
Distorted sound when playing music?
Saving preset stations on Roberts DAB radio?
My Robert Unologic won't work on the batteries but will on mains?
Roberts eco4Bt. Limited Stations only avalable from new?