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KX-TG8551UAB/KX-TG8561UAB/KX-TG8561UARKX-TGA855RUB/KX-TGA855RUR
4.4.4.
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 → Q301 → IC501
• EEPROM (IC611):
DC Jack (+5.5 V)
→ IC302 → IC501→ IC611
• FLASH MEMORY (IC601) (for KX-TG8561 only):
DC Jack (+5.5 V)
→ IC302→ IC501→ IC601
• Charge Contact (CHARGE+):
DC Jack (+5.5 V)
→ R371 → R372 → D362→ CHARGE+
• QSPI FLASH MEMORY (IC502):
DC Jack (+5.5 V)
→ IC302 → IC501 → IC502
<Fig.101>
AC Adaptor
* for KX-TG8561 only
DCP
IC302
Q302
IC501
IC502
IC601*
IC611
+5.5 V
1.8 V
3.0 V
3.0 V
Q301
2.4 V
CHARGE+
D362
R372
R371
DC
Jack
2.85 V
DCM
1
2
3
On
DC
S
1.8 V
Reset
(IC501(RSTN))
Off
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