Equipment Required; Factory Selected Components - HP 437B Service Manual

ADJUSTMENTS
5-1. Introduction
5-2. Safety
Considerations
Warning Va
5-3. Equipment
Required
5-4. Factory Selected
Components
To determine which performance tests and adjustments to perform after a
repair, refer to paragraph 5-5, Post-Repair Adjustments.
Adjustments described in this section are performed with power applied to the
instrument and with protective covers removed. Maintenance should be
performed only by trained personnel who are aware of the hazards involved.
When the maintenance procedure can be performed without power, the power
should be removed.
Most of the adjustment procedures include a list of recommended test
equipment. The test equipment is also identified on the test setup diagrams.
If substitutions must be made, the equipment used must meet the critical
specification listed in Table 1-3 in Section I.
Factory selected components are identified on the schematics and parts lists
by an asterisk(*) which follows the reference designator. The nominal value
of the selected component is shown. Table 5-1 lists the reference designator,
the service sheet where the component is shown, the value range, and the
basis for selecting a particular value.
ADJUSTMENTS 5-1