Troubleshooting Guide; Troubleshooting Flowchart - Panasonic KX-TG4763B Service Manual

10 Troubleshooting Guide

10.1. Troubleshooting Flowchart

10.1.1. Flow Chart (without Range Extender)
FLOW CHART
Power ON Base Unit
Playback Pre-Message
Record
Link
OK
Range
Handset Voice Transmission
Handset Voice Reception
Caller ID function
Cross Reference:
Check Power (P.34)
Check Playback (P.38)
Check Record (P.35)
Check Battery Charge (P.38)
Check Link (P.39)
Check the RF part (P.42)
Check Handset Transmission (P.47)
Check Handset Reception (P.47)
Check Caller ID (P.47)
Note:
(*1) When a user claims that the unit disconnects a call right
after the greeting message and no incoming messages can
be recorded, this symptom can not be reappeared with TEL
simulator in the service center. In this case, try to change
the Auto disconnect activation time and Vox level.
<How to change the Auto Disconnect activation time
and VOX level> (P.36) item (A) and (B).
Not working
OK
Not playback
OK
Not record (*1)
OK
No link
No charge
Battery Charge
OK
NG
OK
No voice
OK
No voice
OK
Caller ID Error
Check Power
Check Playback
Check Record
Check Battery Charge
Check Link
Check the RF part
Check Handset Transmission
Check Handset Reception
Check Caller ID
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KX-TG4763B/KX-TGA470B/KX-TGA405B