Introduction; Equipment Required; Adjustments And Calibration Interval; Adjustments And Calibration Introduction - HP 1652B Getting Started Manual

4
Adjustments
and Calibration
Introduction
Caution lb
This section provides the adjustment procedures for the HP 1652B/1653B. The
primary adjustments groups are:
l
Power Supply Assembly Adjustment.
l
CRT Monitor Assembly Adjustment.
l
System Board Assembly Threshold Adjustment.
a Oscilloscope Assembly High-Frequency Pulse Adjustment.
This section also contains the software calibration procedures for the oscilloscope
assembly.
The effects of ELECTROSTATIC DISCHARGE can damage electronic
components. Use grounded wriststraps and mats when performing any kind of
service to this instrument.
Equipment
Required
The equipment required for the adjustments and calibration procedures in this
section are listed in the Recommended Equipment table in section 1 of this
manual. Any equipment that satisfies the critical specifications listed in this table
may be substituted for the recommended model. Equipment for individual
procedures is listed with the procedure.
Adjustments
The recommended adjustment interval for the HP 1652B/1653B is two years. The
and Calibration
adjustments are set at the factory on assemblies when they are tested. However,
Interval
adjustments may be necessary after repairs have been made to the instrument.
Usually the only assembly that may require adjustments is the assembly that has
been replaced.
Warning
Read the Safety Summary at the beginning of this manual before
performing any adjustment procedures.
Software calibration should be done on the HP 1652B/1653B oscilloscope under
any of the following conditions:
l
At six month intervals or every 1,000 hours.
l
If the ambient temperature changes more than
loo
C from the temperature at
the last software calibration.
l
To optimize measurement accuracy.
HP 16528/1653B
Adjustments and Calibration
Service Manual
4-l