Chapter 4
Maintenance
14
This unit is designed for board level maintenance. Thus, component replacement is not
recommended.
4.1 Removing display unit cover
To remove the display unit cover:
1. Remove three connector nuts on the display unit cover.
2. Remove six screws fixing the display unit cover to the front panel.
3. Find a slot at both sides of the unit. (Fig.4-2) The display unit cover has locking mechanism.
4. Insert a coin into the slot on the left side of the display unit. Giving a little bit of force,
separate the cover. Do the same at the right side.
5. When replacing the cover, confirm that the connector packing is seated in position.
Fig. 4-1 Display Unit, Rear View
Fig. 4-2
(a) Hole for locking tab on the
front panel
(b) Locking protrusion on the cover
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