KX-TG6481RUT, KX-TGA648RUT - Panasonic Telephone Service Manual (repair manual). Page 9

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9
KX-TG6481RUT/KX-TGA648RUT
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;
• DECT BBIC (IC7): 
DC Jack (+6.5 V) 
→D1→ IC1 → IC7
DC Jack (+6.5 V) 
→D1→ IC1 → Q9 → IC7
DC Jack (+6.5 V) 
→D1→ IC1 → Q8 → IC7
• RF Power Amp. (IC801): 
DC Jack (+6.5 V) 
→D1→ IC1 → IC801 (Power AMP)
• EEPROM (IC401): 
DC Jack (+6.5 V) 
→D1→ IC1 → IC7→ IC401
• FLASH MEMORY (IC421): 
DC Jack (+6.5 V) 
→D1→ IC1→ IC7→ IC421
• Charge Contact (TP16): 
DC Jack (+6.5 V) 
→D1→ R56 →  R55 → D22→ TP16
<Fig.101>
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