LEM P1000 User Manual

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CODE : 277320
Index & Warnings
Soldering point.
Male connector.
Female connector.
M/F faston connector.
Test point.
Supply voltage.
Logic supply ground.
Analog supply ground.
Signal ground.
Chassis ground.
Flag joined with one or more flags with the same signal name inscribed.
GENERALMUSIC S.p.A. Sales Division: 47048 S.Giovanni in Marignano (RN) ITALY - Via delle Rose, 12 - tel. 0541/959511 - tlx 550555 GMUSIC I - fax 0541/957404
Technical Specifications, Test Procedures & Adjustments
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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.
Schematic Notes
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 1/8W unless otherwise specified.
ATTENTION
Observe precautions when handling
electrostatic sensitive devices
SERVICE MANUAL
Schematic Diagrams
Block Diagram
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Protections, Fuse, Supply, Display, Sockets, Inputs Boards
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Part List, Layout
Driver & Power Boards
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LEM P1000 Specifications

General

Brand	LEM
Model	P1000
Category	Amplifier
Language	English

Summary

Index and Warnings

Manual Navigation

Provides an overview of the manual's sections including specifications, diagrams, boards, and parts lists.

General Notices and Safety

Covers important operational notices, schematic conventions, and safety precautions for handling sensitive components.

Technical Specifications

Electrical Specifications

Details key electrical parameters such as dimensions, power, output, input sensitivity, impedance, gain, slew rate, and frequency response.

Test Procedures and Adjustments

Precautionary Measures

Outlines essential safety precautions and required test instruments for performing service procedures correctly.

Setup and Initial Checks

Guides on initial amplifier setup, supply voltage verification, and basic channel output checks before detailed testing.

Channel Performance and Protection Tests

Covers specific tests for high rail voltage, signal clipping, current limiting, fan operation, and offset detection for amplifier channels.

Adjustment Procedures

Details the steps for adjusting SOA, bias, bandwidth, and slew rate to ensure optimal amplifier performance.

Inputs Board Checks and Adjustments

Input Board Setup and Signal Checks

Covers the setup for input board testing and procedures for checking Common Mode Rejection Ratio (CMRR).

Gain and Input Sensitivity Adjustment

Describes how to adjust the input sensitivity and overall gain for proper amplifier operation.

Troubleshooting Advices

General Troubleshooting Guidance

Provides general advice and step-by-step guidance for diagnosing and resolving common amplifier issues and component failures.

Block Diagram

Boards Overview: Protection, Supply, and I/O

Driver and Power Boards Schematics

Spare Part List

Spare Parts Categories

Lists and categorizes spare parts including accessories, assemblies, and specific board components for replacement.