Technical data

10.19 DC Control Unit (DCU) or DC Control Board

This procedure is in three parts.

• Part 1 shows how to disconnect the DC control board connectors.

• Part 2 shows how to remove and replace the DCU.

• Part 3 shows how to remove and replace the DC control board.

Part 1, The Connectors

Use the following procedure to disconnect the DC control board. Turn to one

of the following two procedures to remove or replace the DCU or DC control

board.

Caution: Use the standard antistatic equipment and procedures when you

handle this sensitive electronic component.

1. Remove the following components:

a. Upper cover, as shown in Section 10.2

b. Right and left side covers, as shown in Section 10.3

c. VCU, as shown in Section 10.20

Removal and Replacement Procedures and RSL 10–51