Panasonic KX-TG7227UAJ / KX-TG7227UAM / KX-TG7227UAS / KX-TG7227UAT / KX-TG7228UAS / KX-TG7228UAT / KX-TGA721RUM / KX-TGA721RUS / KX-TGA721RUT / KX-TGA721UAJ / KX-TGA721UAM / KX-TGA721UAS / KX-TGA721UAT Service Manual ▷ View online
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KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
9.1.1.
Check Power
9.1.1.1.
Base Unit
Is the AC Adaptor inserted into AC outlet? (*1)
Cross Reference:
Power Supply Circuit (P.9)
Note:
(*1) Refer to Specifications (P.6) for part number and
supply voltage of AC Adaptor.
supply voltage of AC Adaptor.
9.1.1.2.
Handset
Cross Reference:
Power Supply Circuit/Reset Circuit (P.12)
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KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
9.1.2.
Check Battery Charge
9.1.2.1.
Base Unit
Cross Reference:
Charge Circuit (P.12)
9.1.2.2.
Handset
Cross Reference:
Check Power (P.33)
Charge Circuit (P.12)
Charge Circuit (P.12)
9.1.2.3.
Charger Unit
Cross Reference:
Charge Circuit (P.12)
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KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
9.1.3.
Check Link
9.1.3.1.
Base Unit
Note:
(*1) Refer to Troubleshooting by Symptom (Base Unit and Charger Unit) (P.44)
Cross Reference:
Check Point (Base Unit) (P.44)
Power Supply Circuit (P.9)
Power Supply Circuit (P.9)
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KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
Cross Reference:
Check Point (Base Unit) (P.44)
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