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Crown XLS1000 Service Manual

Crown XLS1000
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XLS1000 – 2500
Service Manual
142195-1 4/10
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Crown XLS1000 Specifications

General IconGeneral
Damping factor200
Amplifier classD
Frequency range20 - 20000 Hz
Audio output channels2.0 channels
Peak power per channel- W
Signal-to-Noise Ratio (SNR)97 dB
Total Harmonic Distortion (THD)0.5 %
Bridge-mode power output per channel (4 Ohm)1100 W
Bridge-mode power output per channel (8 Ohm)700 W
AC (power) inYes
Speakers connectivity typeXLR / 1/4\
Purpose-
Product colorSilver
Connectivity technologyWired
Maximum current15 A
AC input voltage100-240 V
AC input frequency50 - 60 Hz
LED indicatorsActivity, Power
Package weight6200 g
Weight and Dimensions IconWeight and Dimensions
Depth196 mm
Width483 mm
Height89 mm
Weight3900 g

Summary

XLS-3 Menu Structure

MODE: Amplifier Audio Routing

Explains amplifier audio routing options like STEREO, BRIDGE, INPUT Y.

FILTER: Audio Filtering

Describes audio filtering options like BYPASS, LOWPASS, HIGHPASS.

XLS-3 Diagnostic Menu Structure

Model & AC Input Voltage

Displays the amplifier's model and AC input voltage.

Power Supply Temp & Low Voltage Rail

Shows power supply heatsink temperature and low voltage rail.

Channel Heatsink Temp

Displays heatsink temperature for each channel's power devices.

High Voltage Rails

Indicates positive (VP) and negative (VN) amplifier voltage rails.

Firmware Version

Shows the current firmware version.

Fault Status/# of Incidents

Indicates the latest fault and its number of instances.

Error Codes

Processor POST Fail

Internal MCU error like PLL.

Processor Assert Fail

Catastrophic firmware error.

Processor Watchdog Fail

Firmware error from watchdog timeout.

Power Fail

Power supply sequencing failure.

LCD POST Fail

LCD initialization failure.

LCD Communications Fail

MCU unable to communicate with LCD.

DSP Boot Fail

MCU unable to boot DSP via I2C.

DSP POST Fail

MCU failed to communicate with DSP.

DSP Communications Fail

Failure in DSP communication/control.

RUBY POST Fail

Unable to communicate with Ruby initially.

RUBY Communications Fail

I2C communication failure with Ruby.

RUBY ADC Sensor Fail

Illegal ADC value encountered by MCA via Ruby.

MFGTEST Result Byte Failure

MFGTEST byte indicates test failure.

MFGTEST GPIO Comm Fail

APM unable to communicate with MFG fixture GPIO.

MFGTEST ADC Comm Fail

APM unable to communicate with MFG fixture ADC.

APM Section Theory of Operation

Analog Inputs

Input signal path, gain stages, and routing.

Analog Outputs

Digital Processing

Clock Generation

Clock signal generation and distribution.

Digital Audio

Describes digital audio data path and formats.

CLIP Inputs

Serial Communications

Thermal Limiter Compressor (TLC)

Bridge Mode

Microprocessor Control

Boot & POST

Microprocessor boot process and Power On Self-Tests.

RUBY Interface

Processor communication with Ruby IC via I2C.

DSP Interface

Processor communication with DSP via I2C.

LCD Interface

Interface between processor and LCD module.

Front Panel LED's & Switches

PWM DeadTime Control

Fan Control

Appendix B: XLS-3 LCD Troubleshooting

LCD Error Codes

Lists possible LCD error codes and their meanings.

Troubleshooting LCD Issues

Procedure for troubleshooting LCD problems using a scope.

LCD Header Signals

U706 LCD Pins

Appendix C: XLS-3 PWA/PWB Reference

Assemblies

Lists amplifier assemblies by model and description.

PWAs

Lists relevant printed wiring assemblies (PWAs).

Auxiliary Test Assemblies

Lists auxiliary test assemblies and their descriptions.

Transformers by Model

Breakers by Model

Appendix D: XLS1000/1500 Assembly Drawing

Printed Wiring Assemblies (PWAs)

Lists PWAs for XLS1000/1500 series.

Recommended Assembly Torque

Appendix E: XLS2000/2500 Assembly Drawing

Printed Wiring Assemblies (PWAs)

Lists PWAs for XLS2000/2500 series.

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