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Leader LAV-191 - User Manual

Leader LAV-191
15 pages
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MODEL
LAV
..
191
AUDIO.
TESTER
INSTRUCTION
MANUAL
LEADER
ELECTRONICS
CORP.
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Summary

Description of LAV-191 Audio Tester

LAV-191 Specifications

Audio Generator Section Specifications

Covers frequency range, accuracy, and output characteristics of the signal generator.

Impedance and Waveform Specifications

Details impedance control, attenuator, frequency characteristics, and square wave output.

SYNC Signal Terminal Specifications

Covers input impedance and control range for the SYNC terminal.

AC Millivoltmeter Section Specifications

Details voltage/decibel ranges, accuracy, frequency, and input impedance for the voltmeter.

Output Terminal and Power Specifications

Covers output terminal, amplifier output voltage, power supply, and size/weight.

Supplied Accessories

Lists included accessories like leads and plugs.

Controls and Connectors

AC Millivoltmeter Section Controls

Details the meter, zero adjuster, signal sensitivity, and range switch for the voltmeter.

AF Signal Generator Section Controls

Describes attenuator switches, output impedance, frequency range, and level controls for the generator.

Rear Panel Connections

Details SYNC terminals, shorting-link, number plate, and amplifier output terminal on the rear.

Operation Guide

Initial Operational Checks

Explains pre-operation checks, including meter zero adjustment.

AF Signal Generator Operation

Details generator operation, precautions, control adjustments, and square wave output.

SYNC Connections Usage

Explains how to use the SYNC terminals for frequency control and output synchronization.

AC Millivoltmeter Operation

Details how to operate the AC millivoltmeter, including precautions and preparation.

Voltage and Decibel Measurements

Guides on performing voltage and decibel measurements with the AC millivoltmeter.

Signal Sensitivity (S;N) Measurements

Details how to use the SIGNAL SENSITIVITY knob for SN ratio measurements.

Typical Applications

Attenuator Usage with Load Impedance

Explains how attenuator settings are affected by load impedance and provides adjustments.

Input;Output Characteristic Measurement

Describes how to measure input/output characteristics of an amplifier using the instrument.

Frequency Response Measurement

Explains how to perform frequency response tests on an amplifier using the instrument.

Maintenance Procedures

Power Voltage Settings

Details how to set the correct power line voltage for the instrument.

Fuse Information and Replacement

Lists fuse ratings for different power voltages and provides guidance for replacement.

Leader LAV-191 Specifications

General IconGeneral
CategoryTest Equipment
ModelLAV-191
ManufacturerLeader
Input Voltage100-240 VAC, 50/60 Hz
Video OutputsComposite, Component
Audio OutputsStereo RCA
Supported Video StandardsNTSC, PAL
Test PatternsColor Bars, Staircase, Window
Audio Tones1 kHz
Power Supply100-240 VAC, 50/60 Hz

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