Fluke 867B Service Manual

Introduction and Specifications
Conventions Used in This Manual
1
1-5
Conventions Used in This Manual 1-7.
The following conventions are used in this manual:
• “GMM” refers to all Graphical Multimeter models in the 860 Series.
• “863” and “867B” are specifically mentioned where a description does not apply to
all models in the 860 Series.
• A “pca” is a printed circuit board and its attached parts.
• A pin or connection on a component is specified by the component reference
designator, a dash (-), and a pin number. For example, component U30, pin 92 would
be U30-92.
Chapter Contents 1-8.
The chapters in this manual document service for the GMM as follows:
• Chapter 1. Introduction and Specifications describes the Service Manual, explains
special terminology and conventions, and provides complete GMM specifications.
• Chapter 2. Theory of Operation describes the GMM’s circuitry in terms of functional
blocks, with a description of each block’s role in overall operation. A detailed circuit
description is then given for each block.
• Chapter 3. General Maintenance provides information on general maintenance,
handling precautions and disassembly instructions. Instructions covering warranty
repairs and shipping the instrument to a service center are also contained in this
chapter.
• Chapter 4. Performance Testing and Calibration contains information on required test
equipment, performance test procedures and calibration of the GMM.
• Chapter 5. List of Replaceable Parts describes parts used in the GMM along with
ordering information.
• Chapter 6. Schematic Diagrams contains a full set of schematic diagrams and
component locators.

Fluke 867B Specifications

General

True RMS	Yes
Diode Test	Yes
Continuity Check	Yes
Safety Rating	CAT III 1000 V, CAT IV 600 V
Max Voltage AC/DC	1000 V
Max Current AC/DC	10 A
Battery Life	200 hours