Classe Audio CAP 2100

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Summary

CLASSE Service Manual v1.4

Testing Procedures

Production Testing

Procedures for testing individual boards during manufacturing.

Start-up Testing (Complete Amplifier)

Comprehensive checks performed on the fully assembled amplifier.

Sensor; Control Board

Calibrating the Sensor; Control Board

Steps to calibrate the sensor/control board for accurate operation.

Testing the Sensor; Control Board

Verifying the functionality and outputs of the sensor/control board.

Testing the Complete Control Assembly

RS-232 Setup

Configuring serial communication for amplifier control.

Factory Data

AC Power Check

Verifying AC power parameters and voltage ranges for the amplifier.

Module and Front Panel Checks

Sensor;Control Module Check 1

Power-up Sequence Check

Verifying the amplifier's power-up sequence and relay timing.

Front Panel Check

Advanced Module Checks

Sensor;Control Module Check 2

DC-Protection Check

Testing the amplifier's DC protection circuitry.

Trigger Function Check

IR Function Check

Main Amp Plug-in Board Testing

Heatsink Board Testing

Preliminary Bias Adjustment

Bias Re-trim After Warm-up

Start-up Testing (Complete Amplifier)

Basic Checks

Software Version and Factory Data Check

Performance and Interface Testing

Full Power & Oscillation Check

Testing amplifier performance at full power with various loads.

Current Sensor Calibration Check 2

RS-232 Interface Functionality

Button, Trigger, and IR Function Tests

DC Protection Testing

Testing DC protection by applying offsets to the input.

Short-circuit Protection and Polarity Tests

Testing protection against shorts and polarity/ground detection.

CAN-BUS Communication Tests

Dielectric Strength Test

Performing a dielectric strength test on the amplifier.

Protective Earthing Connection Test

Testing the protective earthing connection of the amplifier.

Audio Precision Testing

Running audio precision tests for gain, bandwidth, and THD+N.

Appendix G: Troubleshooting