System Fans - Keysight Infiniium 9000 Series Service Manual

7
Theory of Operation

System Fans

There are five fans: two larger fans that draw air out of the rear of the instrument,
two medium fans that are positioned over each ADC to give additional cooling,
and one small fan positioned over the trigger IC. They are all controlled by the
main FPGA.
Infiniium 9000 Series Oscilloscopes Service Guide 141