User Guide

4 Replacement Procedures 4.8 Display Mask
Warning: Don't remove along the LCM innermost direction as below photos show since very
strong glue double-side tape exists between display mask and LCM panel, or the
display mask will be broken easily.
Fig 4-22-08 Removing display mask wrong step (1) Fig 4-22-09 Removing display mask wrong step (2)
Fig 4-22-10 Removing display mask wrong step (3)
Installing the Display Mask
Install the display mask according to the following procedures and Figure 4-22.
1. Place the display mask in the correct position and fasten the following 20 latches, in
that order:
- Eight top latches
- Four latches on each of the left and right sides
- Four bottom latches
2. Fix the display mask with the six M2.5x6 black flat-head screws.
NOTE: When fastening the screws, support the display by its back with one hand.
3. Attach the six seals to the screw heads to cover the screws.
4-36 Satellite M20 Maintenance Manual