KX-TG8061RUB, KX-TG8061UAB, KX-TG8061CAB, KX-TGA806RUB - Panasonic Telephone Service Manual (repair manual). Page 9

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KX-TG8061RUB/KX-TG8061UAB/KX-TG8061CAB/KX-TGA806RUB
4.2.2.
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;
• 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
• FLASH MEMORY (IC421): 
DC Jack (+5.5 V) 
→ IC2→ IC7→ IC421
• Charge Contact (TP16): 
DC Jack (+5.5 V) 
→ R56 → R55 → D22→ TP16
• QSPI FLASH MEMORY: 
DC Jack (+5.5 V) 
→ IC2 → IC7 → IC431 
<Fig.101>
AC Adaptor 
DCP
IC2
Q9
IC7 
IC431
IC421
IC401
+5.5 V 
1.8 V 
3.0 V 
3.0 V 
Q8
2.4 V 
TP16
D22
R55
R56
DC
Jack
2.85 V 
DCM
1
2
3
On
DC 
S
1.8 V
Reset
(IC7_77pin)
Off
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