110 5000 Series Oscilloscopes Service Guide
5 Replacing Assemblies
 
7 Using the 9/32 hex driver, remove two hex standoffs and 
washers from GPIB connector.
8 Using the T10 TORX driver, remove the six screws that hold 
the system board to the deck.
Figure 40 Removing the system board
9 Lift the back of the board to clear the main deck and then 
gently pull the board straight out.
10 To reinstall the system board:
a Feed the keyboard, display and backlight inverter cables 
through the hole in the system board. Insure power 
T10 Screws
Hex Standoffs
Hex Nuts
& Washers
Intensity Knob