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KX-TG5511RU/KX-TGA550RU/KX-TGA551RU
4.2.2.
Power Supply Circuit
The power is supplied to the DECT BBIC, RF Module, EEPROM and Charge Contact from AC Adaptor (+6.5 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 (+6.5 V)
→ IC2 → IC7
DC Jack (+6.5 V)
→ IC2 → Q9 → IC7
DC Jack (+6.5 V)
→ IC2 → Q8 → IC7
• RF Power Amp. (IC801):
DC Jack (+6.5 V)
→ IC2 → IC801 (Power AMP)
• EEPROM (IC401):
DC Jack (+6.5 V)
→ IC2 → IC7→ IC401
• Charge Contact (TP16):
DC Jack (+6.5 V)
→ R56 → R55 → D22→ TP16
<Fig.101>
AC Adaptor
DCP
IC2
Q9
IC7
IC401
RF Power Amp. (IC801)
6.5 V
1.8 V
2.5 V
Q8
2.4 V
TP16
D22
R55
R56
DC
Jack
3.0 V
3.0 V
DCM
1
2
3
On
DC
S
1.8 V
Reset
(IC7_61pin)
Off
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