Read Panasonic KX-TG7851CAB / KX-TG7852CAB / KX-TG7861CAB / KX-TGA785RUB Service Manual online
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KX-TG7851CAB/KX-TG7852CAB/KX-TG7861CAB/KX-TGA785RUB
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-TG7861 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-TG7861 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
3.0 V
DCM
1
2
3
On
DC
S
1.8 V
Reset
(IC501(RSTN))
Off
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