To Remove The Fan; To Remove The Front Panel - HP 54600B User's And Service Manual

To remove the fan

Disconnect the fan cable from the power supply board.
1
Using the T15 TORX driver, remove the three screws that hold the
2
fan to the deck.

To remove the front panel

Remove the intensity knob by pulling straight out.
1
Disconnect the keyboard ribbon cable from the system board.
2
Use a screwdriver to release retainer tab A, and your finger to release
3
retainer tab B. See figure on next page.
Releasing front panel from deck of intrument
When tab B is released, be careful that the sheet metal tab of front-panel
ground input clears the softkey circuit board. The circuit board may be
depressed slightly with a screwdriver to avoid damage to the circuit board.
Rotate the front panel out until the bottom clears the rear of the
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assembly, then lift the front panel to free the hooks on top.
Replacing Parts in the Oscilloscope
Service
4–51