Hytera PNC550 - USB Circuit

B9
Troubleshooting Flowchart
33
6.1.11 USB Circuit
Yes
No
Yes
Yes
No
Rep lace the
main-deputy board FPC. Is t he
USB no rmal
?
Rep air or rep lace the Type-C
FPC.
Rep air or rep lace the m ain-
deputy board FPC.
Rep lace the ea rpiece bo ard
.
Is t he USB n ormal?
Rep lace the Type-C FPC.
Is t he USB n ormal?
Rep air or rep lace the ea rp iece
bo ard.
No
St art
End
If the factory rese t does not
work, replace the main board.