4
General Maintenance
White wires to
filament 1
Red wire
to repeller
Brown extractor
wire to extractor
lens
Ion source heater
wires (white)
Figure 20
120
Feedthrough board wiring
5975/5977 Series MSD Operation Manual
Blue wire to
entrance lens
Orange wire to
ion focus lens
Black wires to
filament 2
Ion source sensor
wires (white)