Check Handset Transmission - Panasonic KX-PRX120W Service Manual

KX-PRX120W/KX-PRXA10W
9.1.5.

Check Handset Transmission

Handset Voice cann't be transmitted
DECT has Problem?
NO
Update software.
Did the problem fix?
NO
Replace with a new circuit
board
Cross Reference:
Signal Route (P.14)
YES
Use Regular Base Unit
Did problem fix?
YES
Check Factory Mode
"Microphone Check"
Is the lead wire of MIC
broken?
NO
NO
End
YES
30
YES
NO
NO
Re-solder the wire.
YES
Did the problem fix?
Replace with a new MIC.
Did the problem fix?
Check Signal Route of
Base Unit
YES
NO
YES
End
End