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  • 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 /

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 9

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

9
KX-TG6711RU/KX-TG6712RU/KX-TG6721RU/KX-TG6722RU/KX-TG6711CA/KX-TG6712CA/KX-TG6721CA/KX-TG6722CA/KX-TG6711UA/KX-TG6712UA/KX-TG6721UA/KX-TGA671RU
2.4.3.
Bell Reception
2.4.3.1.
Handset
[Changed from original section “9.1.8.2. Handset”]
Does the bell sound from SPEAKER?
Check around SP+, SP- .
When bell signal coming, is there bell sound signal 
at BBIC (IC1: 35, 37)?
NO
NO
YES
When bell signal coming, is there bell sound signal
at SP+, SP- ?
YES
Check BBIC (IC1), C78, C79, C73, C72, D13, 
D14, R77, R76.
NO
Check cable of SPEAKER and resistance value
of SPEAKER.
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