LEM Amp 2.4 - User Manual

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Index
Soldering point.
Male connector.
Female connector.
M/F faston connector.
Test point.
Supply voltage.
Logic supply ground.
Analog supply ground.
Chassis ground.
Earth ground.
Flag joined with one or more flags
GENERALMUSIC S.p.A. Sales Division: 47842 S.Giovanni in Marignano (RN) ITALY - Via delle Rose, 12 - tel. 0541/959511 - fax 0541/957404
GENERALMUSIC on the NET: http://www.generalmusic.com
Technical Specifications, Introduction, Test Procedures & Adjustments
2
Schematic Diagrams
4
Layout & Spare Part List
5
SERVICE MANUAL
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Warnings
with the same signal name inscribed.
Address
ATTENTION
Observe precautions when handling electrostatic sensitive devices.
Notice
Service must be carried out by qualified personnel only.Any tampering carried out by unqualified personnel during the guarantee period
will forfeit the right to guarantee.
For a correct operation of the instrument, after having switched off, be careful to wait at least 3 seconds before switching on again.
To improve the device's specifications, the schematic diagrams may be subject to change without prior notice.
All components marked by this symbol have special safety characteristics, when replacing any of these components use only
manufacturer's specified parts.
The (µ) micro symbol of capacitance value is substituted by U.
The (
Ω
) omega symbol of resistance value is substituted by E.
The electrolytic capacitors are 25Vdc rated voltage unless otherwise specified.
All resistors are 1/8
Ω
unless otherwise specified.
All switches shown in the "OFF" position. All DC voltages measured to ground with a voltmeter 20KOhm/V.
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Summary

General Safety Warnings

Important Safety Notice

Important safety notice regarding qualified personnel and tampering during the guarantee period.

Electrostatic Sensitive Devices

Observe precautions when handling electrostatic sensitive devices.

Company Address

Technical Specifications

Detailed Specifications Overview

Key technical parameters including dimensions, weight, power, sensitivity, impedance, and frequency response.

Test Procedures and Adjustments

Service Precautions and Visual Checks

Essential precautions before performing tests, including electrical safety, component discharge, and visual inspection.

Test Setup and Instruments

Procedures for setting up the amplifier and listing necessary test equipment like oscilloscopes and multimeters.

Supply and Channel Performance Testing

Detailed steps to check supply voltages and test amplifier channel performance, including bias and signal integrity.

Troubleshooting Advice

Schematic Diagrams

Spare Part List

LEM Amp 2.4 Specifications

General

Brand	LEM
Model	Amp 2.4
Category	Amplifier
Language	English