Check Handset Transmission; Check Handset Reception; Check Caller Id - Panasonic KX-TGC450G Service Manual

9.1.7 Check Handset Transmission
Check MIC of handset.
Check handset Tx in Signal Route.
Cross Reference:
[4.6 Signal Route]
9.1.8 Check Handset Reception
Check speaker of handset.
Check handset Rx in Signal Route.
Cross Reference:
[4.6 Signal Route]
Note:
When checking the RF part, Refer to
9.1.9 Check Caller ID
BASE UNIT
Did bell ring?
(Message indicator
blinks)
YES
Check Calling Line Identification (Caller ID)/
Call Waiting Caller ID.
Cross Reference:
[4.3.5 Telephone Line Interface]
Note:
● Make sure the format of the Caller ID service of the Telephone company that the customer subscribes to.
● It is also recommended to confirm that the customer is really a subscriber of the service.
[9.1.6 Check the RF part]
NO
Check bell signal detection in
Telephone Line Interface.
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