Hello. I've got a BPT AS E/200 handset for our flats' door entry system. The handset when replaced isn't cutting the microphone, and the sound from inside my flat is still coming out of the entry panel outside the building, albeit faintly. Any ideas?
Looking at that unit it only has switches, resistors/caps and a single transistor on it.
Should be easy enough for someone capable of repairing it to figure out which one is faulty.
Thanks for your replies. I won the eBay auction for that Agata handset in the screenshot. I may well be back here when it arrives and I try to connect it!
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