Head Drive Motor

Check Point / チェックポイント

When replacing this part, you need to run the menu from the service support mode before replacing it.

Head Drive Motor / Head HP Sensor - Before replacement

  1. Remove the 3 screws and remove the Right Cover (A).

    • : 3x8D
  2. Remove the 5 screws and pull the rear cover (A) toward to remove it.

    • : 3x8D

    Assembly / 組み立て

    Confirm that the rear cover is not floating. The positioning pin (A) may not fit into the hole (B).
  3. Remove the 5 screws fixing the Main Board Cover (A).

    • : 3x8D


    Assembly / 組み立て

    The screw shown in the figure must be fastened together with the ground wire (A).

    When installing the Main Board Cover, hold the center part with your hand while tightening the screws to prevent the cover from lifting.
  4. Lift the main board cover (A) slightly to release the dowel (B) and open the main board cover (A).


    Note / 補足

    The Main Board Cover (A) can be completely removed by lifting it in the open position shown above.
  5. Disconnect the cables from the connectors (B) (CN3/CN4/CN6/CN13) of the MCU Board (A), and remove the screw. Remove the clamp (C).

    • : 3x8D
  6. Hang the protrusion of the MCU Wiring Rail (A) on the Wire Hook (B), and withdraw it.


    Assembly / 組み立て

    Engage the hook (A) of the MCU Wiring Rail in the hole (B) of the Board Box and install.
  7. Disconnect the cables from the main board connector (A), the MCU board connectors (B) and release from clamp (C).
  8. Disconnect the cables (CN5/CN10/CN11/CN12/CN504) from the connector (B) of the MCU Board (A), and release the from the 3 clamps (C).
  9. Remove the 2 screws, slightly lift the board box (A) to release the hook.

    • : 4x8D
  10. Open the Board Box (A), and fix with the Wire Hook (B).


    Caution / 注意

    Be careful not to close the Board Box with the Wire Hook fixed in place.
  11. Release the cable from 2 clamps (A).
  12. Remove 3 screws, then remove the Head Drive Motor (A).

    • : 3x8D
    Assembly / 組み立て

    Before installing the Head Drive Motor, make sure that the scale (A) of the Head Drive Motor does not interfere with the sensor part (B) of the Encoder.
  13. Assembly / 組み立て
    • When connecting the cable to the connector on the Encoder, hold the Encoder by hand as shown below to prevent it from coming off.
    • After connecting the cable to the Encoder connector, check that the Encoder (A) is secured with the hook of the holder.
      • OK
      • NG

        Remove the 2 cables from the relay connector (A) and the encoder (B) connector, remove the Head Drive Motor (C).

Check Point / チェックポイント

After replacing this part, you need to run the menu from the service support mode.

(If you ran the Before-replacement menu before replacing the part, it will start automatically when you turn the power on.)

Head Drive Motor / Head HP Sensor - After replacement