Printed Circuit Board (Pcb) Replacement - Parker AC890 Product Manual

Routine Maintenance and Repair

Printed Circuit Board (PCB) Replacement

Observe all electrical warnings and static handling precautions at the front of this section - 'Component
Replacement'
Power Control PCB and CALIBRATION Card
Replacement
To Access the Boards
1. Remove the drive's top and bottom terminal cover (plastic) via 2
off ¼ turn fasteners at top and bottom of drive.
2. Remove drive front cover (metal) which is attached via 4 off ¼
turn fasteners (take care not to damage PCBs beneath cover).
3. It is now possible to view the power control PCB and Cal Card as
shown in figure 10.1.
4. Take note of PCB connectivity when removing and replacing
PCBs, ensuring that PCB is re-connected correctly.
Note Refer to Appendix A to access the Control Board and fit/remove
Option Cards.
10-7
Page 890SD (Standalone) Drive: Frame G, H & J