6-16 P/N 9-500-0255
Service Manual
Chapter 6: Maintenance—Remove and Replace Procedures
Gantry Components—Remove and Replace
2.4.2 Power Control Board
The Power Control Board is positioned on the left side Gantry frame, near the center.
1. Remove power to unit and access the Power Control Board by removing the left
side Gantry cover as per Section 2.1.1.
2. Remove the wire harness connectors from their jacks at TJ2, TJ3, TJ4, TJ5, TJ6
and TJ7.
3. Remove the data ribbon cable from the connector at TJ1.
4. Lift the board off of the 7 “squeeze” type standoffs.
5. Reverse procedures to replace the Power Control Board.
6. Perform the following procedures before returning unit to service:
• Chapter 3, Section 2.3, Post Power-Up Checks.
2.4.3 Auxiliary Power Distribution Board
The Auxiliary Power Distribution Board is located at the bottom of the left side
Gantry frame.
1. Remove power to unit and access the Power Distribution Board by removing the
left side Gantry cover as per Section 2.1.1.
2. Remove the wire harness connectors from their jacks at BJ1, BJ2, BJ3, BJ4, BJ5,
BJ6, BJ8, BJ9, BJ10, BJ11, BJ12, BJ14, BJ15, BJ16, BJ17 and BJ18.
3. Remove the 6 screws securing the board to the Gantry frame.
4. Reverse procedures to replace the Power Distribution Board.
5. Perform the Post Power-Up Checks in Chapter 3, Section 2.3.
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