Check Handset Transmission; Check Handset Reception; Check Caller Id - Panasonic KX-TG7841S Service Manual

KX-TG7841/KX-TG7842/KX-TG7843/KX-TG7844/KX-TG7845/KX-TG365SK/KX-TG7871/KX-TG7872/KX-TG7873/KX-TG7874/KX-TG7875/KX-TG385SK/KX-TGA680

10.1.9. Check Handset Transmission

Check MIC of handset.
Check handset Tx in Signal Route.
Cross Reference:
Signal Route (P.26)

10.1.10. Check Handset Reception

Check speaker of handset.
Check handset Rx in Signal Route.
Cross Reference:
Signal Route (P.26)
Note:
When checking the RF part, Refer to Check the RF part
(P.42).

10.1.11. Check Caller ID

BASE UNIT
NO
Did bell ring?
(Message indicator
blinks)
YES
Check Calling Line Identification (Caller ID)/
Call Waiting Caller ID.
Cross Reference:
Telephone Line Interface (P.17)
Calling Line Identification (Caller ID)/Call Waiting Caller
ID (P.19)
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.
Check bell signal detection in
Telephone Line Interface.
47