Yaskawa DSD 406 - Manual (Page 84)

4 Maintenance
80 Replacing DSD Drive Control PCB
3/21/96
❏ Remove cables/wires connected to J1, J2, J3, J11, J13, J14, TB1 and TB11
(see Figure 11).
❏ Remove flash RAM U39, U40, U48, and U49 to reinstall on new Board (see
figure 11)
❏ Remove the nine mounting screws (see Figure 11).
❏ Remove the DSD Drive Controller PCB.
❏ Position the replacement DSD Drive Control PCB over the mounting holes.
❏ Fasten the nine PCB mounting screws.
❏ Replace cables/wires previously connected to J1, J2, J3, J11, J13, J14, TB1
and TB11.
❏ Reconnect input and output power.
❏ See Section 3, Operation, for start-up procedure.