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11
KX-PRW110RUW/KX-PRW120RUW/KX-PRWA10RUW
4.3.4.
Power Supply Circuit
The power is supplied to the DECT BBIC, QSPI FLASH MEMORY, FLASH MEMORY, EEPROM and Charge Contact from AC
Adaptor (+5.5 V) as shown in Fig.101. The power supply is as follows;
Adaptor (+5.5 V) as shown in Fig.101. The power supply is as follows;
• DECT BBIC (IC501):
DC Jack (+5.5 V)
→ IC302 → IC501
DC Jack (+5.5 V)
→ IC302 → Q302 → IC501
DC Jack (+5.5 V)
→ IC302 → D501 → Q501 → IC501
• EEPROM (IC502):
DC Jack (+5.5 V)
→ IC302 → IC501→ IC502
• FLASH MEMORY (IC601) (for KX-PRW120 only):
DC Jack (+5.5 V)
→ IC302→ IC501→ IC601
• Charge Contact (CHARGE+):
DC Jack (+5.5 V)
→ R371 → R372 → D362→ CHARGE+
• QSPI FLASH MEMORY (IC503):
DC Jack (+5.5 V)
→ IC302 → IC501 → IC503
<Fig.101>
AC Adaptor
* for KX-PRW120 only
DCP
IC302
Q302
IC501
IC503
IC601*
IC502
+5.5 V
1.8 V
Q301
2.4 V
CHARGE+
D362
R372
R371
DC
Jack
3.3 V
DCM
1
2
3
On
DC
S
1.8 V
Reset
(IC501(RSTN))
Off
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