IOptron GEM45 User manual

Internal Use Only

Instruction for GEM45 board replacement

Ver. 1.1

December 10, 2020

Main board and RA board

1. Remove the two screws and take off the cover

2. Pull out the RA board carefully.

3. Carefully disconnect the wire harness from the

RA board.

4. Remove the screws and then remove the motor

5. Disconnect the wires from the main board and

remove the main board carefully.

6. Put in a new main board and connect the wires.

7. Put the motor back and install the three screws.

Make sure the belt is properly tightened. If

necessary, adjusted the three screws to make

the belt with proper tension (it can flex about 3

mm when press the middle of the belt).

Internal Use Only

8. Put in a new RA board and connect the wires.

Please pay good attention to the connections

between the main board and RA board

9. Put back the cover and lock it with the two

screws.

.

DEC board

1. Remove the two screws and take off the cover

2. Remove the three screws and remove the motor.

3. Do the same as removing the main board,

disconnect the wires and remove the DEC board.

4. Put in a new DEC board and connect the wires.

Then, put the motor back and secure it with the

three screws. If necessary, adjust the screws to

make the belt with proper tension (with about 3

mm flex when pressing the middle of the belt).

5. Finally, put back the cover and secure with the

two screws.

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