It's a simple analog amp for the Hi Fi system if it has power
and Input signals there should be output. If the amp is good.
Just to be sure you have no Music as well as no chimes?
Bluetooth and phone modules can take control of the stereo
to do there thing. It's possible if they go bad they may lock out
the other stuff.
Last edited by ctuna; 11-19-2020 at 11:44 AM..
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