Keysight Technologies X Series Service Manual page 58

Boot Up and Initialization Troubleshooting
Potential Problems During Boot Process
Figure 2-4 A7 Midplane Board - R867
5. While monitoring the voltage at R867, turn the instrument power on by
If yes:
If no:
6. Do all of the green power supply LEDs along the top of the A7 Midplane
If yes:
If no:
Before replacing the power supply, verify the midplane and motherboard interconnects are
mechanically secure.
58
pressing the front panel On/Off button.
Does the voltage at R867 measure 0 VDC?
Proceed to step 6.
After verifying that the connections from the front panel On/Off button
back to the A4 CPU board are not at fault, replace the A4 CPU
board.
board come on?
After verifying that the connections from the front panel On/Off button
back to the A4 CPU board are not at fault, replace the A4 CPU
board.
Replace the A6 Power Supply assembly.
Keysight N9010A EXA Service Guide