Classe Audio CAP 2100 User Manual

Classé Audio Inc
5070 Francois Cusson
Lachine, Quebec, Canada
H8T 1B3
Tel: (514) 636-6384
Fax: (514) 636-1428
www.classeaudio.com
Service Manual v1.4
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Delta-Series Amplifiers:
CA 2100 Stereo Amplifier
CAP 2100 Integrated Stereo Amplifier
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CA(P)2100 AMP Service Manual v1.4 inc voltage change info .doc Page 1 of 50

Classe Audio CAP 2100 Specifications

General

Signal-to-Noise Ratio	> 100 dB
Input Sensitivity	1.2 V
Frequency Response	20 Hz - 20 kHz
THD+N	< 0.1%
Dimensions	17.5 inches
Damping Factor	200

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