Preliminary Display Adjustments Setup - HP 8566B Adjustment Manual

3. Preliminary Display Adjustments (SN 3004A and Above)
1. Connect a 10: 1 (10 Ma) divider probe to the oscilloscope's channel
1 input and a 10: 1 divider probe to the channel 4 input.
2. On the oscilloscope, press [RECALL) [ZK) to perform a soft reset.
channel 1, and use the front-panel knob to select a 10: 1 probe.
4. Select channel 4, and use the front-panel knob to select a 1O:l
probe.
5. Press @iG].
6. Connect the channel 1 probe to the oscilloscope rear panel PROBE
COMPENSATION AC CALIBRATOR OUTPUT connector. Press
).
Adjust the channel 1 probe for an optimum square
SCALE
wave display on the oscilloscope.
7. Connect the channel 4 probe to the oscilloscope rear panel PROBE
COMPENSATION AC CALIBRATOR OUTPUT connector. Press
[ - ).
Adjust the channel 4 probe for an optimum square
AUTO SCALE
wave display on the oscilloscope.
Each probe is now compensated for the oscilloscope input to which it
is connected. Do not interchange probes without recompensating.
8. Connect the channel 1 1O:l divider probe to AlA2TP204, and
the channel 4 probe to AlA2TP205, as shown in Figure 3-23.
Connect the probe ground leads to AlA2TP106. See Figure 3-24
and Figure 3-25 for the location of the assemblies and test points.
Figure 3-23. Preliminary Display Adjustments Setup
9. Set the spectrum analyzer LINE
cover over A3 Digital Storage Section and remove A3A2 Intensity
Control Assembly. Insert the Display Adjustment PC board (HP
part number 85662-60088) into the A3A2 slot. See Figure 3-24 for
the location of the A3A2 assembly.
PULSE/FUNCTION
GENERATOR
switch to standby. Remove the
Adjustments 3-57