Replacing Assemblies

To remove and replace the front-panel board

To remove and replace the front-panel board

HP 16500B

1Remove the top trim from the front frame.

2Disconnect the two cables from the front-panel board.

One cable is connected to the color display assembly and one cable is connected to the mother board.

3Remove the screws connecting the front-panel assembly to the top and bottom of the frame.

4Remove the front-panel assembly by pushing on the back of the assembly from inside the instrument.

5Carefully remove the shield from the assembly.

The shield is very fragile and must be replaced if it is bent or damaged in any way.

6Remove the bezel from the front-panel board.

7Remove the RPG knob and the two CRT control knobs by pulling them away from the front-panel.

8Remove the screws connecting the front-panel board to the front-panel, then remove the front-panel board.

9Reverse this procedure to install the replacement front-panel board.

6–18

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HP 16500B manual To remove and replace the front-panel board