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340
Lower Unit Removal and Replacement
Procedures
341
Lower Unit Top Cover
1.
Power off and remove the line cord from the AC
outlet.
2.
Remove the external CRT cable from the lower
unit.
3.
Remove the display unit by positioning it in its
forward, lower limit and lifting up (240). Set it out
of the way.
Note: To remove the display unit, the cross bar in
the guide post on the lower unit must be aligned
with the cross slot in the display unit.
4.
To remove the lower unit top cover:
a. Remove the screw beside the cross bar of the
top cover.
b. Grasp the cross bar of the top cover firmly and
lift up while pressing in on the tab, as shown,
with a screwdriver.
c. Lift the top cover up and over the power supply
board, and free the top cover tabs on the
power supply side of the lower unit.
Replace the lower unit top cover in the reverse order of
removal.
333-341
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Lower Unit Removal and Replacement
3-19
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