8508A
Service Manual
4-6
Removing the A2 AC PCA
Use the following procedure to remove the A2 AC PCA. See Figure 4-3.
1.
Position the unit on the work surface so it is top-side up.
2.
Remove both rear feet.
A
a.
Remove the three hex screws from each foot.
b.
If the feet are still in place, pull them from the unit.
3.
Remove the top cover.
B
a.
Remove the one philips screw at rear of the top cover.
b.
Slide the cover toward the back of the unit, and lift it off.
4.
Remove the top shield.
C
a.
Remove the four philips screws from the shield.
D
b.
Slide the shield toward front of unit, and lift it out.
5.
Remove the A2 AC PCA.
E
a.
Remove the eight philips screws holding the shield to the A2 AC PCA.
b.
Lift the shield from the PCA.
c.
Disconnect the one connectors from the rear edge of the A2 AC PCA.
d.
Disconnect the three connectors from the front edge of the A2 AC PCA.
e.
Remove the four philips screws from the PCA.
f.
Using a flat-blade screwdriver, remove the four plastic standoffs from the PCA.
g.
Lift the A2 AC PCA from the chassis.
2
3
4
5
1
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Figure 4-3. Removing the A2 AC PCA
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