Headset Does Not Work; Receive - Panasonic KX-DT543-B Service Manual

8.7.

Headset Does Not Work

8.7.1.

Receive

Insert a headset
Confirm the waveform of dial tone at
TP:HESSPOUT when you press the speaker
Can you see the waveform of dial tone?
YES
Confirm the waveform of dial tone at Pin 5 of
when you press the speaker button.
Can you see the waveform of dial tone?
YES
Can you hear dial tone from headset speaker?
YES
END
NO
Related parts: IC410,C577,L462
button.
Related parts:
JK160
NO
[Main PCB] CN400,
[Ope PCB]
Flat Cable (Between Main PCB and Ope PCB)
NO Related parts:
[Ope PCB]
Headset
31
KX-DT543/KX-DT543-B/KX-DT546/KX-DT546-B
Check the soldering.
Resolder or replace parts as needed.
CN160,C158,C159,C169,C168,
L161,D161
JK160