2-20
PCS2 Service Manual
Display Distribution Board
1. Remove the membrane panel assembly from the top cover assembly.
(See page 2-17.)
2. Disconnect P801 and P804 from the display distribution board.
3. Place the membrane panel on a flat level surface and remove the (4)
Phillips head screws securing the display distribution board to the top
cover mounting plate.
4. Carefully pry the display distribution board up to disconnect the
display distribution board from the membrane panel at P803.
Vacuum Display
1. Remove the membrane panel assembly from the top cover assembly.
(See page 2-17.)
2. Disconnect CN1 and CN2 from the vacuum display.
3. Place the membrane panel on a flat level surface and remove the (4)
Phillips head screws securing the vacuum display to the top cover
mounting plate.
4. Carefully lift the vacuum display up and away from the top cover
mounting plate.
Membrane Panel
1. Remove the membrane panel assembly from the top cover assembly,
and remove the display distribution board from the top cover
mounting plate.
2. Using a 1/4" wrench (or equivalent), remove the (6) perimeter #6-32
small pattern nuts securing the top cover mounting plate to the top
cover panel fascia.
3. Using a 1/4" wrench (or equivalent), remove the (1) #6-32 small
pattern nut securing the membrane panel ground strap to the
membrane panel mounting lug and pull the ground strap off the lug.
4. Using a 5/16" wrench (or equivalent), remove the (7) perimeter and
(1) central #6-32 small pattern nuts, and the (1) #6-32 nut securing the
membrane panel to the top cover mounting plate.
5. Pull the top cover mounting plate away from the top cover panel
fascia.
6. Remove the nylon spacer and washer from the central membrane
panel mounting lug. Save the nylon spacer and washer for reuse with
the replacement membrane panel.
7. Using considerable force, peel the membrane panel edges away from
the top cover panel fascia and push the membrane panel through the
top cover panel fascia. The membrane panel cannot be reused.
