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REMOVAL AND REPLACEMENT
- Remove the DC power cable connecter (J3) from the front of the PCA.
- Remove the flat ribbon cables from the drive(s).
- If a 9153A, remove the flexible disc drive flat ribbon cable from in between the drives.
~ Remove 2 torx screws visible throught the bracket cutouts.
- Remove the Controller PCA by sliding the PCA forward.
- To assemble, reverse the above process.
[4] POWER
SUPPLY
PCA REMOVAL (a2)
- Remove the fan connector J6 and main DC power connector J5.
- Pull the white AC power button from the switch shaft and remove the shaft after pulling
it forward from the switch.
- Disconnect the the two connectors, Jl and J2, coming from the AC line filter.
-~ Remove the two cable connectors coming from the power transformer to the power supply
PCA (J3 and J4).
- Remove
the three mounting screws. Refer to Figure 6-3 for location (the fasteners with
the "+" mark in them)
- Tilt the front of the PCA upwards enough to clear the transformer and lift the assembly
from the chassis.
- To assemble, reverse the above process.
[5] DRIVE REMOVAL (23)
There is an aluminum
mounting plate to which
the Winchester and/or flexible disc drive is attached. To
remove the plate, perform the following steps:
- Remove the top cover as explained in [2].
- Remove all connectors from the drive(s).
- Remove the screw that secures the mounting plate to the main frame.
~ Slide the mounting plate backward approximately
1/4 inch and lift upwards removing the
drive mounting plate.
- To remove a drive, remove the screws that mount the drive to the drive mounting plate.
- To assemble, reverse the above process.
6-2
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