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Fluke PM6685 - User Manual

Fluke PM6685
94 pages
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Programmable
Frequency Counter
PM6685 & PM6685R
Service Manual

Other manuals for Fluke PM6685

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Summary

Safety Instructions

General Safety Guidelines

Essential safety warnings, cautions, and personnel qualifications for servicing.

Grounding Requirements

Details on the importance and implementation of protective grounding for safe operation.

Electrical Safety Precautions

Safety measures related to line voltage, primary circuit components, and fuses.

Performance Check

Specification Tests

Details the short form specification test including sensitivity and frequency range checks.

Circuit Descriptions

Main Board Circuits

Details the main board's input amplifier, impedance selector, and attenuator stages.

Power Supply Circuitry

Describes the power supply module, its general survey, and voltage generation functions.

Repair and Troubleshooting

Troubleshooting Approach

Provides a structured approach to troubleshooting, including test equipment and logic level references.

Power Supply Troubleshooting

Details troubleshooting steps for the power supply, covering primary and secondary circuits.

Safety Inspection After Repair

Outlines essential safety inspections and tests required after performing repairs.

Calibration Adjustments

Oscillator Calibration

Explains the calibration procedures for standard, OCXO, and Rubidium oscillators.

Appendix

PM6685 R Specific Information

Contains specific information for the PM6685R model, including introduction, performance, calibration, and parts.

Fluke PM6685 Specifications

General IconGeneral
BrandFluke
ModelPM6685
CategoryCash Counter
LanguageEnglish