Dtmf Receiver Circuit - Panasonic KX-TES824LA Service Manual

KX-TES824LA / KX-TEM824LA /

11.10. DTMF RECEIVER CIRCUIT

11.10.1. Composition
The DTMF receiver circuit is composes of four DTMF receivers.
IC613 and IC614 are used for the DTMF receivers from SLT connected to the extension.
The DTMF signal is the 4bit parallel data and read by ASIC.
*In case of KX-TEM824, the system have two more DTMF receiver which are in KX-TE82483.
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