The buzzer I use is
shown on the left. It's the closest thing I have found to sounding like an original
Ericsson buzzer. When purchased, it has some sort of neon tube attachment. I remove this
for use in the Ericofon.
The picture on the left is as purchased
The picture on the right is after modification
Here you can see
the hook on the buzzer attached under an existing mounting screw on the bearing plate.
sure no components or wires are touching the case of the buzzer causing a short circuit.
If the big resistor is in the way, bend it out of the way, but be careful nothing shorts
out. There's not a lot of space in here.
yellow wires on the buzzer to make them more visible in this picture. I also removed the
line cord to lessen the clutter.
In the picture, I've circled where to hook up the buzzer leads. There may be variations,
but in nearly all applications, this is the correct hook up.
If this doesn't work, try adding a jumper wire from the lower left buzzer terminal to the
top screw on the back of the phone ("around the corner" from the screw with the
red wire, at the top).