Service manual

UCW and Ultraview 1700 Monitors — Service Manual
4-20
AC Switch Replacement (90385)
1. Remove the top cover.
2. Remove the video driver PCBA and position it out of the way without disconnecting cables.
3. Remove the single screw from the right side of the fan (viewed from the rear).
4. Remove the single screw from the AC module (refer to Figure 4-10 below).
5. Lift the AC module upward to allow the AC input module cable to be disconnected.
6. Disconnect the AC wires from the AC module by depressing a release latch located on the
side of the connector. Also detach the fan and wire harness from the power supply, noting
their placement for reassembly.
Figure 4-10: AC module
7. Remove the two screws securing the switch PCBA and shield to the AC module.
8. Reinstall the new AC switch assembly, and reattach the wires to their appropriate
connectors.
9. Replace the AC module, and reinstall the single screw onto the right side of the fan.
10. Reattach the video driver PCBA, and install the mylar shield and steel cover using the two
removed previously.
11. Reattach the top cover.
!
• Ensure that the fan connector has been reattached to the switch PCBA after
replacement.
fuses
to remove fuses
squeeze both tabs
and pull.
step #3
step #4