Section 5 Adjustments; Introduction; Safety Considerations - HP 5334B Service Manual

SECTION 5
ADJUSTMENTS
5-1. INTRODUCTION
5-2. This section provides the adjustments and checks for the Hewlett-Packard Model 5334B Universal
Counter. With the exception of the 10 MHz Internal Oscillator Adjustment, these procedures should not be per-
formed as routine maintenance but should be used: (1) after replacement of a part or component that may affect
an adjustment, or (2) when the instrument fails the performance tests. Removal of the instrument top cover is re-
quired for most adjustments. Allow a 30-minute warm-up prior to performing the adjustments.
5-3. Table
5-1 lists all of the adjustments by adjustment name, reference designation, adjustment paragraph,
and description. Also included in this section are the adjustments for an HP 5334B equipped with the available
options.
5-4. SAFETY CONSIDERATIONS
5-5. Although this instrument has been designed in accordance with international safety standards, this section
contains information, cautions, and warnings which must be followed to ensure safe operation and to retain the
instrument in safe condition. Service adjustments should be performed only by a qualified service person.
WARNING
ADJUSTMENTS IN THIS SECTION ARE PERFORMED WITH POWER
SUPPLIED
70
THE INSTRUMENT WHILE PROTECTIVE COVERS ARE
REMOVED. THERE ARE VOLTAGES AT POINTS IN THE INSTRUMENT
WHICH CAN, IF CONTACTED, CAUSE PERSONAL INJURY. BE EX-
TREMELY CAREFUL. ADJUSTMENTS SHOULD BE PERFORMED ONLY
BY QUALIFIED SERVICE PERSONNEL WHO ARE AWARE OF THE
HAZARDS INVOLVED (FOR EXAMPLE, FIRE AND ELECTRICAL
SHOCK). WHERE MAINTENANCE CAN BE PERFORMED WITHOUT
POWER APPLIED, THE INSTRUMENT SHOULD BE DISCONNECTED
FROM ITS POWER SOURCE.
NOTE
Use a nonmetallic adjustment tool whenever possible.
H P 5334B
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Service Manual
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