HP 83522A Service Notes page 75

Adjustments
ADJUSTMENTS
Model 83522A
5-20. ALC ADJUSTMENT (Cont'd)
PROCEDURE:
NOTE
Turn AC power OFF when removing or installing PC boards.
NOTE
This procedure assumes that A3S1 is set to the factory-set position (Table
5-6), and at the 8350A Sweep Oscillator, 27.8 kHz square wave modulation
is selected.
1. Remove A5 FM Driver board. Place A4 assembly on an extender board. Set A4R1
(SLP) fully counterclockwise. Sweep the full range of the plug-in at any leveled power.
2. Connect the digital voltmeter to A4TP12 with floating ground on A4TP14. Refer to
Figure 5-18. Adjust A4R47 OFS 1 (offset 1) for 0.000V f 0.001V.
SWEPT
AMPLITUDE SWEEP R F
ANALYZER OSCILLATOR PLUG-IN DIGITAL VOLTMETER
POWER
Figure 5-1 7. ALC Adjustments Test Setup