Top Cover - Digital Equipment VT420 Service Manual

This chapter shows you how to remove and replace the field replaceable
units (FRUs) for the VT420. See Appendix B for the recommended spares
list.
CAUTION
Always use a static protection kit (PN 29-26246-00) when handling
static-sensitive material.
This chapter covers all three models of the VT420, the North American
model and the two worldwide models. Where differences occur, the
worldwide procedure appears first, then the North American procedure.
3.1 Top Cover
Remove the top cover as follows. You can leave the tilt-swivel base in
place.
1.
Turn off the terminal and unplug the power cord from the wall outlet.
22
If you have a worldwide model, you can disconnect the power cord
from the back of the terminal, as well.