While you wait for answers, we may have found some information which could help you.
Success
Message
My Sagemcom DTR 6400 has di3d?
Wont turn on and what the flip flop?
No volume?
How can I get read of beeping sound from my radio in?
How can I mend my old fake airpods?
No power?
Charger for MP3 Classic Model: FIR - 410?
How do I fix liquid damage?
How to fix handset problems ( intercom ) and access control?
DAB to DAB+?
Code not working?
Broken aerial?