Keysight Technologies Infiniium 90000A Series, Service Manual

Page: 93 / 136

Replacing Assemblies
5
90000 A-Series Service Guide 93
Removing and replacing the touch screen, front deck, and controller
assembly
1
Disconnect the power cable and remove the cover, top plate, and bottom plate.
2
Remove the front panel bezel and front panel circuit assembly from the chassis.
3
Remove the two Torx T20 screws attaching the touch screen to the front deck
of the chassis, located along the left side of the screen.
4
Disconnect the three cables that are attached to the screen (one is connected
to the back of the lower left corner of the screen, one is connected to the back
of the upper right corner of the screen, and one is connected to the right edge
of the screen) and the copper shielding located in the upper right corner of the
screen.
5
Pull the touch screen off.