Power Supply - HP 54600B User's And Service Manual

Service
Replacing Parts in the Oscilloscope

Power supply

Remove the fan.
1
Disconnect the ground wire (green wire with the yellow stripe) from
2
the deck.
Disconnect the ribbon cable from the power supply board.
3
Use a screw driver to gently unhook the latch that holds the white
4
shaft to the power switch, then disconnect the shaft from the power
switch. After you disconnect the shaft, make sure you position it in
the recess along the side of the display bracket.
Figure 4–9
Removing the power switch shaft
Using the T10 TORX driver, remove the screw holding the power
5
supply board to the deck.
Slide the power supply board towards the front panel about a half an
6
inch. Slip the keyhole slots on the power supply board off of the pins
on the deck.
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