Tip
PJ–068
microphone
Tip
PJ–055
headphone
microphone
headphone capsule left
sensor
microphone
left
headphone capsule right
screen
screen
bl
rd
bl
rd
screen
rd
bl
screen
cable splice
bl
rd
or wh br gn ye
bl
rd
ye bl bk
DC-box
sensor
microphone
right
Circuit diagram and pin connections HMEC 45-KA