Communication Ics; Circuit Operation; Bell Detector Circuit; Line Interface - Panasonic KX-TS105LXW Service Manual

10.1. Communication ICs

11. CIRCUIT OPERATION

11.1. Bell Detector Circuit

When the bell signal is input between T/R, the signal are outputted at the speaker via the
following path: Tel line R1/C1 D1 Pin 1 of IC1 Pin 8 of IC1 C6 T1 C625
Speaker

11.2. Line Interface

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