Keysight N1913B EPM Series Service Manual page 108

6 Repair Guide
Instructions
Remove earth cable and grounding cable from the calibrator
assembly (Figure 6-6). Use the 9/32" socket to remove the Hex
nut, taking note of the assembly order.
Disconnect front panel cable from J109 on the main board.
Disconnect ribbon cable from the front panel assembly.
(Figure 6-7).
108
Visual
Figure 6-6
Figure 6-7
Keysight N1913B/N1914B EPM Series Power Meters Service Guide
Remove the earth cable and
grounding cable
Disconnect the front panel and
ribbon cable