Read Panasonic KX-TG5581RUB / KX-TGA551RUB Service Manual online
9
KX-TG5581RUB/KX-TGA551RUB
4.2.2.
Power Supply Circuit
The power is supplied to the DECT BBIC, QSPI FLASH MEMORY and EEPROM from AC Adaptor (+5.5 V) as shown in
Fig.101. The power supply is as follows;
Fig.101. The power supply is as follows;
• DECT BBIC (IC7):
DC Jack (+5.5 V)
→ IC2 → IC7
DC Jack (+5.5 V)
→ IC2 → Q9 → IC7
DC Jack (+5.5 V)
→ IC2 → Q8 → IC7
• EEPROM (IC401):
DC Jack (+5.5 V)
→ IC2 → IC7→ IC401
• QSPI FLASH MEMORY:
DC Jack (+5.5 V)
→ IC2 → IC7 → IC431
<Fig.101>
AC Adaptor
DCP
IC2
Q9
IC7
IC401
IC431
5.5 V
1.8 V
3.0 V
3.0 V
Q8
2.4 V
DC
Jack
2.85 V
DCM
1
2
3
On
DC
S
1.8 V
Reset
(IC7_61pin)
Off
Click on the first or last page to see other KX-TG5581RUB / KX-TGA551RUB service manuals if exist.