
6881037B20
33
Level III Service Manual Disassembly
3.
Ensuring the alignment holes on the controller board are properly aligned with
the alignment pins on the alignment fixture, place the controller board on the
alignment fixture.
4.
Using even pressure across the surface of the controller board, press down on
the controller board to ensure that the array adheres to the controller board.
5.
Lift the controller board straight up from the alignment fixture and turn it over.
6.
Visually inspect the new popple dome array to ensure that proper adhesion
has been achieved.
000997-O
Figure 19. Replacing the Popple Dome Array
➧
Use care not to touch the adhesive side of the new array when placing the controller
board on the alignment fixture. The controller board will rest on top of the compres-
sion pins until downward pressure is applied.
➧
If the popple dome array is not in complete contact with the controller board, apply
gentle pressure across the surface of the array until the entire adhesive surface
adheres to the controller board.
ADHESIVE
SIDE UP
CONTROLLER
BOARD
POPPLE DOME
ARRAY
POPPLE DOME
ALIGNMENT
FIXTURE
ALIGNMENT
PINS
COMPRESSION
PINS