R5905948 /12 Event Master Devices428
14.27 Keyboard Cable
Flow chart
Image 14-76
The flat ribbon keyboard cable connects the Front panel board to the System-Power board. This
procedure provides instructions on how to disconnect the cable on both sides.
Concerned parts
R767269K Cable Kit Set
Necessary tools
• 1 x Phillips Screwdriver #2
• Hex Screwdriver
How to remove the Keyboard cable
1. Follow the steps detailed in other procedures to remove the Front Cover Assembly, Front brackets, EMI filter*,
3RU Fan Tray and 1RU Fan Tray. Make sure that the Keyboard Cable is disconnected from the Front Panel
board.
Note: The EMI filter is no longer needed, and it can be removed. If the EMI filter is left in place, it
requires servicing. See “E2 maintenance actions”, page 380.
2. Remove the Power supplies from the unit.
3. Turn the unit upside down and follow the steps detailed in other procedures to remove the Bottom Panel and
the CPU module from the System-Power board.
4. Remove the USB, VFD, 3RU and 1RU cables that are connected to the System-Power board.
5. Remove the screws that attach the System-Power Board to the standoffs.
6. Lift the System Power Board from the standoffs and flip it over, but don’t extend it too much.
7. Locate the keyboard connector and push the latches out to release the cable.
E2 Maintenance