Disassembly and Repair 5
34980A Service Guide 123
DMM Removal
1 To remove the DMM (if installed), remove the front panel (see the procedure on
page 121).
2 Unplug the ribbon cable at the top of the DMM assembly.
3 Remove the two T20 Torx screws from the left front side of the mainframe.
4 Move the DMM assembly to the right and lift out.
5 Unplug the input cable from the backplane printed circuit board.