DOWNLOAD Panasonic KX-TG8421CAT / KX-TGA840UAT Service Manual ↓ Size: 2.47 MB | Pages: 106 in PDF or view online for FREE

Model
KX-TG8421CAT KX-TGA840UAT
Pages
106
Size
2.47 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / DIGITAL CORDLESS ANSWERING SYSTEM
File
kx-tg8421cat-kx-tga840uat.pdf
Date
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Panasonic KX-TG8421CAT / KX-TGA840UAT Service Manual ▷ View online

37
KX-TG8421CAT/KX-TGA840UAT
9 Troubleshooting Guide
9.1.
Troubleshooting Flowchart
Flow Chart
Cross Reference:
Check Power (P.38)
Bell Reception (P.48)
Check Battery Charge (P.39)
Check Link (P.40)
Check the RF part (P.44)
Check Handset Transmission (P.47)
Check Handset Reception (P.47)
Signal Route (P.14)
Check Caller ID (P.47)
Check TAM Operation (P.48)
38
KX-TG8421CAT/KX-TGA840UAT
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.
9.1.1.2.
Handset
Cross Reference:
Power Supply Circuit/Reset Circuit (P.12)
39
KX-TG8421CAT/KX-TGA840UAT
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.38)
Charge Circuit (P.12)
9.1.2.3.
Charger Unit
Cross Reference:
Charge Circuit (P.12)
40
KX-TG8421CAT/KX-TGA840UAT
9.1.3.
Check Link
9.1.3.1.
Base Unit
Note:
(*1) Refer to Troubleshooting by Symptom (Base Unit and Charger Unit) (P.49)
Cross Reference:
Check Point (Base Unit) (P.49)
Power Supply Circuit (P.9)
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