KX-TG6711RUB, KX-TG6711RUM, KX-TG6712RUM, KX-TG6721RUB, KX-TG6721RUS, KX-TG6722RUB, KX-TG6711CAB, KX-TG6711CAM, KX-TG6712CAB, KX-TG6721CAB, KX-TG6721CAM, KX-TG6722CAB, KX-TG6711UAB, KX-TG6711UAM, KX-TG6712UAB, KX-TG6721UAB, KX-TGA671RUB / - Panasonic Telephone Service Manual Supplement (repair manual). Page 5

Read Panasonic KX-TG6711RUB / KX-TG6711RUM / KX-TG6712RUM / KX-TG6721RUB / KX-TG6721RUS / KX-TG6722RUB / KX-TG6711CAB / KX-TG6711CAM / KX-TG6712CAB / KX-TG6721CAB / KX-TG6721CAM / KX-TG6722CAB / KX-TG6711UAB / KX-TG6711UAM / KX-TG6712UAB / KX-TG6721UAB / KX-TGA671RUB / Service Manual Supplement online

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KX-TG6711RU/KX-TG6712RU/KX-TG6721RU/KX-TG6722RU/KX-TG6711CA/KX-TG6712CA/KX-TG6721CA/KX-TG6722CA/KX-TG6711UA/KX-TG6712UA/KX-TG6721UA/KX-TGA671RU
2.2.
Power Supply Circuit/Reset Circuit
[Changed from original section "4.6.2. Power Supply Circuit/Reset Circuit"]
Circuit Operation:
When power on the Handset, the voltage is as follows;
BATTERY(2.2 V ~ 2.6 V: BATT+) 
→ F1 → Q1 (1.8 V), IC1-44pin (3.0V)
The Reset signal generates IC1 (71 pin) and 1.8 V.
1.8 V
Reset 
(IC1_71pin)
Battery +
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