Keyboard Troubleshooting - Keysight Infiniium S Series Service Manual

Keyboard Troubleshooting

If some of the knobs fail the keyboard self test but some work properly, replace the
rear board of the keyboard assembly.
If none of the knobs work properly, replace the front board of the keyboard
assembly.
If any of the keys do not work properly but the LEDs light up, replace the front
board of the keyboard assembly.
If the keys still do not work properly, check the incoming cables.
S-Series Oscilloscopes Service Guide
4
Troubleshooting
67