Check Handset Transmission; Check Handset Reception - Panasonic KX-TG1711MEB Service Manual

9.1.4.

Check Handset Transmission

Check MIC of Handset.
OK
Check CDL TX (HANDSET) in Signal Route.
Cross Reference:
Signal Route (P.12)
9.1.5.

Check Handset Reception

Check Handset Speaker in
How to Check the Handset Speaker or Receiver.
OK
Check CDL RX (HANDSET) in Signal Route.
Cross Reference:
How to Check the Handset Speaker or Receiver (P.43).
Signal Route (P.12)
9.1.6. Check Caller ID
Check Caller ID in Signal Route.
Cross Reference:
Signal Route (P.12)
9.1.7. Bell Reception
9.1.7.1. Handset
When bell signal coming, is there bell sound signal
at R116 (P1.1) and R117 (TXD)?
YES
When bell signal coming, is there bell sound signal
at D104 (between A and K)?
YES
Does bell sound from BUZZER?
Cross Reference:
Telephone Line Interface (P.9)
Check Link (P.21)
How to Check the Handset Speaker or Receiver (P.43)
NO
Check link in Check Link, and around Career module.
NO
Check around R114, D104, Q104, Q105.
NO
Replace with the new BUZZER.
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KX-TG1711MEB/KX-TG1712MEB/KX-TGA171MEB