Check The Rf Part - Panasonic KX-TG4763B Service Manual

KX-TG4763B/KX-TGA470B/KX-TGA405B

10.1.8. Check the RF part

10.1.8.1. Finding out the Defective part
Prepare Regular HS (*1) and Regular BU (*2) and Regular RE (*3). Handset is Power ON with "1", "6"and "#".
Note:
(*1) HS: Handset
(*2) BU: Base Unit
(*3) RE: Range Extender
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START
Use Regular HS
NG
Use Regular BU
NG
Use Regular RE
(other checkings)
Registration of Regular HS and Regular RE to
Regular BU
Registration of Handset and Range Extender to
Base Unit (checked ones)
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OK
HS is defective
OK
BU is defective
OK
RE is defective
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