Hytera PT580 - Encoder Switch Disassembly

Service Manual
Front Case
Check whether the
functions of the front
panel are normal. [1]
Replace the front
panel.
Check whether
the gold finger for the
KEYPAD is normal. [2]
Replace the front
panel.
Check whether
the gold finger socket on
the MMI board is
normal. [3]
Replace the MMI
board.
Check whether the
connector on the MMI
board is normal. [4]
Repair the
connector
Check whether
the 70-pin connector on
the main board is
normal. [4]
Repair the
connector
Abnormal
KEYPAD
Check U2001.
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Description:
[1] Check by placing the main board and MMI board into a normal front case.
[2] Check whether the gold finger is properly connected.
[3] Check whether the clip is loose and the socket is properly connected.
[4] Check whether the 70-pin connector is properly connected and soldered.
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