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LeCroy Waverunner2 LT584 Series User Manual

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LTXXX2-SM-E
LeCroy Waverunner2 Series
Service Manual
Version D- December 2003
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LeCroy Waverunner2 LT584 Series Specifications

General IconGeneral
BrandLeCroy
ModelWaverunner2 LT584 Series
CategoryTest Equipment
LanguageEnglish

Summary

Warranty and Product Support

Warranty

LeCroy warrants oscilloscope products for normal use for three years from shipment.

Product Assistance

Help on installation, calibration, and use of equipment available from Customer Service Center.

Maintenance Agreements

Provides customer support services including extended warranty and budget maintenance costs.

Staying Up to Date

Continual refinement and improvement of products may lead to minor manual discrepancies.

Service and Product Return

Service and Repair

Procedures for returning products for maintenance and repair services.

How to Return a Product

Instructions for returning products, including required information and authorization.

What Comes with Your Scope

Lists items included with the standard configuration of the oscilloscope.

General Information

Product Assistance

Help on installation, calibration, and use of equipment available from Customer Service Center.

Installation for Safe and Efficient Operation

Details operating environment parameters like temperature, humidity, and altitude for safe operation.

Safety Symbols

Explains symbols and indications on the instrument or manual that alert users to safety aspects.

Specifications

Models

Lists the different Waverunner2 LT series models available.

Vertical System Specifications

Details bandwidth, input impedance, sensitivity, and resolution of the vertical system.

Timebase System Specifications

Covers timebases, time/div range, clock accuracy, and interpolator resolution.

Acquisition System Specifications

Details sample rates, acquisition points, and acquisition modes.

Triggering System Specifications

Lists trigger modes, sources, coupling, delay, and frequency limits.

Waveform Display and Persistence

Describes color display type, resolution, screen saver, and analog persistence features.

Interface and Connectivity

Details remote control options (GPIB, RS-232, Ethernet) and ports.

Environmental and Safety Specifications

Outlines operating conditions, CE, UL, and cUL approvals.

Theory of Operation

Processor Board Overview

Describes the MPC603e processor, its circuit blocks, power supply, and peripherals.

Main Board Architecture

Details the main board sections including front end, ADC, trigger, timebase, and control.

Power Supply System

Explains input voltages, output voltages, power switch operation, and cooling.

Performance Verification

Test Equipment Required

Lists external traceable signal generators and measurement equipment needed for verification.

Input Impedance Testing

Procedures to measure channel and external trigger input impedance across different couplings.

Leakage Current Testing

Methods to test channel and external trigger leakage current by measuring voltage.

Noise Testing

Procedures to measure RMS noise on all channels under various input and timebase settings.

DC Accuracy Testing

Measures DC accuracy of voltage measurements against specified limits using a voltage reference source.

Offset Accuracy Testing

Verifies offset accuracy at 5mV/div with a cancelled ±1 Volt signal.

Bandwidth Testing

Ensures the system meets bandwidth specifications using a signal generator and power meter.

Trigger Level Testing

Tests trigger capabilities for standard edge triggers across different DC levels and slopes.

Time Base Accuracy Testing

Checks time base accuracy using an external sine wave generator at 0.1 MHz.

Maintenance Procedures

Safety and Antistatic Precautions

Outlines critical safety warnings and antistatic procedures for servicing.

Software Update Procedure

Instructions for upgrading firmware via floppy disk or memory card.

Troubleshooting Flow Charts

Provides diagnostic flow charts for common problems like fan, power supply, and display issues.

Line Fuses Replacement

Details the procedure for replacing blown line fuses in the oscilloscope's power supply.

Mechanical Parts & Removal

Upper Cover Assembly Removal

Step-by-step instructions for removing the upper cover, with or without a printer.

Bottom Cover Assembly Removal

Procedures for removing the bottom cover assembly, including screw locations.

Printer Assembly Removal

Instructions for removing the printer assembly, including cable and screw disconnections.

Floppy Assembly Removal

Steps to remove the floppy drive assembly, including cable and frame screw disconnection.

CPU Board Removal

Detailed instructions for removing the CPU board, including cables and screws.

Main Board Removal

Steps for removing the main board, including cable disconnection and screw removal.

Power Supply Assembly Removal

Procedures for removing the power supply assembly, including harnessing belt and connector disconnection.

Front Panel Assembly Removal

Instructions for removing the front panel assembly, including screws, inverter plate, and LCD connections.

Rear Panel Assembly Removal

Steps for removing the rear panel assembly, including screws and fan motor fasteners.

Schematics

CH1 FRONT END (2)

Schematic diagram for Channel 1 Front End circuits.

CH2 FRONT END (3)

Schematic diagram for Channel 2 Front End circuits.

CH3 FRONT END (4)

Schematic diagram for Channel 3 Front End circuits.

CH4 FRONT END (5)

Schematic diagram for Channel 4 Front End circuits.

TRIGGER (12)

Schematic for the trigger system circuits.

DC GENE 1/2 (17)

Schematic for DC Generation circuits.

POWER CONNECTOR (21)

Schematic diagram for the power connector and power board interface.

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