Power Supply Circuit - Panasonic KX-A144 Series Service Manual

21.2. Power Supply Circuit

The power is supplied to the DECT BBIC, RF Module, EEPROM, Relay Coil, LED and Charge Contact from AC Adaptor (+6
V) as shown in Fig.101. The power supply is as follows;
· DECT BBIC (IC2): J2(+6 V) → D4 → Q9 → D5 → Q8 → IC2
· RF Module (IC3): J2(+6 V) → D4 → Q9 → IC3
· EEPROM (IC1): J2(+6 V) → D4 → Q9 → D5 → Q8 → IC2 → IC1
· RINGER: J2(+6 V) → D4 → Q9 → R68 → RINGER
· Charge Contact (TP84): J2(+6 V) → D4 → R43, R44 → TP84
KX-TCD440HGS / KX-TCD440HGT / KX-A144EXS-1 / KX-A144EXS / KX-A144EXT-1 / KX-A144EXT
<Fig.101>
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