Encoder Switch - Hytera PT580 Service Manual

Encoder Switch

Abnormal
encoder switch
Check whether
the 10-pin connector on the
MMI board is normal? [1]
Yes
Check whether the
FPC for the encoder
switch is normal. [2]
Yes
Check whether
the 70-pin connector on
the MMI board is
normal? [ 3]
Yes
Check whether the
middle shielding case is
assembled properly. [4]
Yes
Check whether the
70-pin connector on the
main board is normal.[5]
Yes
Check whether the
FPGA on the main
board works normally?
Yes
Check the
encoder switch.
No
Replace the
connector.
No
Replace the
FPC.
No
Repair the
connector.
No
Check the middle
shielding case.
No
Repair the
connector.
No
Replace U2401.
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Service Manual