20.2. Power Supply Circuit
The power is supplied to the DECT BBIC, RF Module, EEPROM and Charge Contact from AC Adaptor (+6V) as shown in
Fig.101. The power supply is as follows;
·
DECT BBIC (IC8):
CN1 (+6V) → D1 → IC1 → Q2 → IC8
·
RF Module (IC2):
CN1 (+6V) → D1 → IC1 → Q2 → IC2 (PLL)
CN1 (+6V) → D1 → IC1 → IC2 (Power AMP)
·
EEPROM (IC3):
CN1 (+6V) → D1 → IC1 → Q2 → IC3
·
Charge Contact (TP15):
CN1 (+6V) → D1 → R3, R5 → TP15
<Fig.101>
70
KX-TCD300FXS / KX-TCD300FXT / KX-TCA130FXS / KX-TCA130FXT