Hytera PNC550 - Earpiece Circuit

Troubleshooting Flowchart
B9
34
6.1.12 Earpiece Circuit
Yes
No
Yes
No
Rep la ce the ea rpiece bo ard.
Is t he ea rp iece no rmal ?
Rep air or repla ce the main-de pu ty
bo ard FPC.
Rep air or repla ce the ea rpiece
bo ard.
Rep la ce the
main-deputy board FPC
. Is t he
ea rpiece no rma l?
St ar t
End
Rep la ce the main
bo ard.