To Remove And Replace The Motherboard - Keysight Infiniium 9000 Series Service Manual

To remove and replace the motherboard

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Infiniium 9000 Series Oscilloscopes Service Guide
Disconnect the power cable and remove the handle and rear cover as described
earlier.
Remove the rear sheet metal by removing one T15 screw on top and two in the
back. See the following three figures.
Remove these two screws from the back
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Replacing Assemblies
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