Service manual

Maintenance
4-19
Exhaust Fan Replacement
1. Remove the top cover of the display assembly.
2. Remove the video PCBA and position it out of the way.
3. Locate the fan on the rear of the display assembly and remove the screw on each side of
the fan motor (refer to Figure 4-9 below).
Figure 4-9: Fan location
4. Slide the bracket off of the fan assembly, being careful not to stress any connections on the
video PCBA while moving it aside.
5. Disconnect the power cable from the power supply.
6. Position the new fan in place, and reattach the DC power connector to the power supply.
7. Replace the fan retaining bracket, placing the tabs under the chassis tabs.
8. Replace the two screws removed in step 3, and replace the video PCBA.
9. Reinstall the top cover.
!
• When replacing the fan, make sure the air flow arrow printed on the fan is pointing
INWARD.
fan removal screws