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QSC PLX Series User Manual

QSC PLX Series
83 pages
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Technical Service Manual
PLX™ Series
PLX 1202
PLX 1602
PLX 2402
PLX 3002
TD-000078-00
TD-000078-00
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QSC PLX Series Specifications

General IconGeneral
Channels2
SeriesPLX
Frequency Response20Hz - 20kHz
Total Harmonic Distortion<0.02%
Signal to Noise Ratio>105 dB
Input Impedance20k ohms balanced, 10k ohms unbalanced
CoolingVariable speed fan
ConnectorsInput: XLR; Output: Binding posts, Speakon
Height3.5" (2U)
Weight28 lbs (12.7 kg)

Summary

Introduction

Safety Warnings

General safety precautions for handling equipment.

Test & Calibration

PLX 1202 Test Procedure

Step-by-step guide for testing and calibrating the PLX 1202.

PLX 1602 Test Procedure

Step-by-step guide for testing and calibrating the PLX 1602.

PLX 2402 Test Procedure

Step-by-step guide for testing and calibrating the PLX 2402.

PLX 3002 Test Procedure

Step-by-step guide for testing and calibrating the PLX 3002.

Troubleshooting

Power Supply - Replacing Blown IGBTs

Guidance on troubleshooting and replacing blown IGBTs in the power supply.

Replacing Blown Output Transistors

Procedures for identifying and replacing faulty output transistors.

Audio Outputs, Troubleshooting Current Limit

Diagnosing issues related to current limiting in audio output stages.

Audio Outputs, Troubleshooting Stability Feedback

Addressing problems with audio output stability and feedback circuits.

SCHEMATIC DIAGRAM

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