JMA-5300MkIIsm

INDEX > 4.Replacement Procedure > 4.7 Display Unit : Operation Unit NCE-5171
4.7.3 Trackball replacement (CCK-1000)
[Required tools]
Phillips screwdriver for 3 mm screws
[Replacement procedure]
1) Remove the seven screws to open the rear
cover. (Use the Phillips screwdriver for 3
mm screws.)
Remove
Remove
2) Remove the connectors connected to the
trackball, and replace the track ball.
3) Reassemble the unit following the
disassembly procedure in reverse.
[Check points]
1) Check that the system starts up properly.
Remove
2) Check that no error message appears.
3) Refer to Section 8.3.1 III in the instruction manual to test the keys, buzzers, and lights,
and make sure there are no problems.
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