Read Panasonic KX-T7665UA (serv.man3) Service Manual online
28
KX-T7665UA-B
(8)
(7)
Pin31 of IC2
Communication waveform
Pin8 and 10 of IC4
PCM interface waveform between IC4 and IC3
Click on the first or last page to see other KX-T7665UA (serv.man3) service manuals if exist.