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LeCroy Waverunner2 LT374L User Manual

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LTXXX2-SM-E
LeCroy Waverunner2 Series
Service Manual
Version D- December 2003
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LeCroy Waverunner2 LT374L Specifications

General IconGeneral
BrandLeCroy
ModelWaverunner2 LT374L
CategoryTest Equipment
LanguageEnglish

Summary

1. Warranty and Product Support

1.1 Warranty

Details LeCroy's warranty policy for oscilloscope products and replacement parts.

1.5 Service and Repair

Provides instructions for returning products for maintenance and repair services.

3. Specifications

3.2 Vertical System

Details the vertical channel specifications like bandwidth, impedance, and sensitivity.

3.7 Triggering System

Describes trigger modes, sources, coupling, delays, and frequency limits.

3.10 Color Waveform Display

Specifies the display type, resolution, screen saver, and waveform presentation features.

4. Theory of Operation

4.1 Processor Board

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

4.3 Power Supply

Details input voltages, output voltages, and the power supply unit's overview.

5. Performance Verification

5.4 Input Impedance

Procedures for measuring channel and external trigger input impedance.

5.9 Bandwidth

Ensures the system meets the specified bandwidth with controlled amplitude and frequency.

5.10 Trigger Level

Tests trigger capabilities for standard edge trigger cases and division thresholds.

6. Maintenance

6.2 Software Update Procedure

Instructions for upgrading firmware via floppy disk or memory card.

6.5 Troubleshooting and Flow Charts

Provides guidance for diagnosing and resolving common instrument problems.

7. Mechanical Parts & Removal

A. Removal of the Upper Cover Assembly (with printer)

Step-by-step instructions for removing the upper cover assembly, including printer access.

E. Removal of the CPU Board

Step-by-step instructions for removing the CPU board assembly.

G. Removal of the Power Supply Assembly

Step-by-step guide for removing the power supply assembly from the instrument.

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