Agilent Technologies HP 8566B Spécifications Page 185

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2. High-Voltage Adjustment (SN 3004A and Above)
CRT life expectancy, particularly if a new CRT has just been
installed.
17. Readjust AlA6R103 HV ADJ for a DVM indication equal to the
voltage determined in step 15.
18. If a new CRT has just been installed do the following:
a. Set the front-panel INTENSITY control so the CRT trace is
barely visible.
b. Wait an additional 30 minutes for the CRT to normalize.
c. Readjust AlA6R103 HV ADJ for a DVM indication equal to the
voltage determined in step 15.
19. Set the LINE switch to STANDBY. Remove the ac line cord from
each instrument section.
20. Wait at least one minute for the MAINS power-on indicator
AlA8DSl
(red LED) to go out completely before proceeding.
21. Disconnect the high-voltage probe from
AlA3TP2A.
22. Replace the cover on the
AlA
High-Voltage Regulator Assembly.
23. The High-Voltage adjustments are now completed. If the
AlA
assembly has been repaired or replaced, perform adjustment
procedure 3, “Preliminary Display Adjustment (SN
3004A
and
Above)“, and then adjustment procedure 4, “Final Display
Adjustments (SN 3004A and Above)“. If the
AlA
assembly
functions properly and does not require compensation, proceed
directly to adjustment procedure 4, “Final Display Adjustments
(SN 3004A and Above)“.
Adjustments 3-45
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