Read Panasonic KX-TG5521CAB / KX-TGA551RUB (serv.man2) Service Manual online
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KX-TG5521CAB/KX-TGA551RUB
9.1.5.
Check Handset Transmission
Cross Reference:
Signal Route (P.14)
9.1.6.
Check Handset Reception
Cross Reference:
How to Check the Handset Speaker or Receiver (P.59).
Signal Route (P.14)
Signal Route (P.14)
9.1.7.
Check Caller ID
Cross Reference:
Signal Route (P.14)
OK
Check MIC of Handset.
Check CDL TX (HANDSET) in Signal Route.
Check Handset Speaker in How to check the Handset
Speaker or Receiver.
Speaker or Receiver.
OK
Check CDL RX (HANDSET) in Signal Route.
Check Caller ID in Signal Route.
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