Reset Circuit - Panasonic KX-TG2359BXB Service Manual

KX-TG2359BXB

17.4. Reset Circuit

Function:
This circuit is used to initialize the microcomputer when it incorporates an AC adaptor.
Circuit Operation:
When the AC Adaptor is inserted into the unit, then the voltage is shifted by IC300 and power is supplied to the DSP.
The set starts to operate when VCC goes up to 3.3V or more in the circuit voltage diagram.
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