Anyone REALLY good with electronic circuits?

Author Message
PeterB
Guru

Joined: 05/02/2015
Location: Australia
Posts: 669
Posted: 10:41am 27 May 2022      

G'Day lew

I am not an expert but the Philips F!1216 data indicates it is an audio tone.
In one diagram it shows a capacitor connection to the outside world.

But I am probably wrong  

Peter(B)

I was a bit slow off the mark.

P
Edited 2022-05-27 20:42 by PeterB