HP M2350A Service Manual page 281

lb Remove the Line Power Filter (M1094A)
Removing and Replacing Components
Servicing the Display Module
Note
This procedure applies only to the M1094A display.
Warning
LETHAL HAZARD FROM ELECI'RIC SHOCK
1. This is part of a filtered power supply. This filter can store lethal
voltage levels for some minutes after the power is removed. For this
reason you MUST allow the filter to rest, without power for at least 10
minutes before removing it,
2. You must use a screwdriver with an insulated shaft.
The procedure for removing the power filter is described in the following steps.
Step
1
Using a cross-tipped screwdriver, remove the two screws from the top and the
bottom of the filter cover.
Step 2
Remove the
titer
cover to expose the filter and its connections.
Step 3
Note the connections for the filter for when you come to fit the replacement.
Step 4 Remove the filter connections to the line voltage and the integral switch-mode
power supply.
Step 5 While supporting the filter, use the cross-tipped screwdriver to remove the four
screws that secure the filter to the display rear panel.
Step 6 Lift the filter clear of the display rear panel.
To Replace the Line Power Filter (M1094A)
The procedure for replacing the power filter is described in the following steps.
Step 1 Locate the power filter over the four holes on the display rear panel.
Step 2 Support the
filter
and locate the top screw on each side of the filter.
Step 3 Replace the other two screws and tighten to secure it to the display rear panel.
Step 4 Replace the filter connections as you noted them during removal.
Step 5
Locate the filter cover over the two holes on the display rear cover.
Step 6
Replace the two screws and tighten to secure the cover in place.
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