Panasonic KX-TS600MXB Service Manual page 20

KX-TS600MXB / KX-TS600MXW
8.3.4. Initializing Circuit
8.3.4.1. Function
This circuit is used for to initialize the microcomputer when it incorporates batteries.
8.3.4.2. Circuit operation
When the batteries is inserted into the unit, then the voltage is regulated by IC304 and power is supplied to the CPU. The set
can operate beyond point A in the circuit voltage diagram.
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