Repair Guide
5
Keysight N1911A/1912A Service Guide
91
– Remove DAP/PPMC (
Figure 5-12
): Use the T8
Torx screwdriver bit to remove the screws
attaching the DAP and PPMC assemblies to the
main board. Carefully remove the PPMC
assembly by lifting the end closest to the DAP
assembly. Carefully remove each DAP assembly
by lifting the end closest to the rear panel.
Figure 5-12
– Remove the main board (
Figure 5-13
): Use the
T20 Torx screwdriver bit to remove the 5 screws
attaching the main board to the bottom
clamshell. Use the T20 Torx screwdriver bit to
remove the screw attaching the earth wires to
the line module. Remove the earth wires and
washers, taking note of the assembly order. Lift
& remove the main board.
Figure 5-13
Instructions
Visual
