ATON A275 installation manual Technical Support

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Technical Support

A275 INSTALLATION MANUAL

 

 

A T O N

 

 

 

Symptom

Possible Cause

Solution

Distorted Audio at Normal

1. Input gain set too high

1.

Reduce gain to the channel in question.

Volume Levels

 

2.

(a) Check for physical damage to

 

 

 

2. Defective/incompatible speaker

speaker.

 

 

 

(b) Ensure speakers have appropriate

 

 

power rating for amplifier.

 

 

 

(c) Ensure speakers are rated @ 8 Ohm

 

 

impedance. This amp is compatible with

 

 

speakers with 8 Ohm impedance or greater.

 

 

3.

Check for proper input/output connec-

 

 

tions at volume control. Input comes from

 

3. Volume control wired incorrectly

amplifier, output goes to speakers.

 

 

4.

Verify/correct Impedance Match settings.

 

4. Volume control Impedance Match

 

 

 

settings incorrect

 

 

 

 

 

Audio is Unclear, Bass

Speakers out of phase

Verify that + of amplifier goes to +of speak-

Response Low

 

er and - of amplifier goes to - of speaker

 

 

on ALL speaker leads.

 

 

 

 

Incorrect Source Playing

1. Source connected to wrong

1.

Verify/correct input connections.

on Speakers

input of amplifier

 

 

 

2. Speakers connected to incorrect

2.

Verify/correct speaker connections.

 

speaker outputs

 

 

 

3. DIP switches set incorrectly

3.

Verify/correct DIP switch settings.

 

 

 

 

Amplifier Will Not

1. Power switch is Off

1.

Turn switch On. Switch is located on the

Power Up

 

back of unit.

 

2. Circuit breaker tripped

2.

Reset circuit breaker. Ensure that com-

 

 

bined current draw of all devices on circuit

 

 

does not exceed the circuit’s capacity.

Technical Support

If, after carefully following the steps in the Troubleshooting section, you are unable to resolve issues with the installation or operation of the A275, please call ATON Technical Support at 1 (859) 422-7137 Option 3.

 

© ATON 2010 • All rights reserved.

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Contents Two-ChannelPower Amplifier INSTALLATION MANUALA275 Preface Purpose of This ManualOrganization RISK OF ELECTRIC SHOCK DO NOT OPEN IMPORTANT SAFETY INFORMATIONGrounding Diagram A T O N A275 INSTALLATION MANUALPage ATON 2010 All rights reservedChapter 1 Introduction Table of ContentsChapter 2 A275 System Design Overview Chapter 3 A275 ConnectionsA275 Two-ChannelPower Amplifier Power AmplifierRack Mount Brackets Installation Manual A275Individual Channel Level Adjustment A275 FeaturesSafety Concerns AC Power Considerations2BACK A275 Front Panel Functions and IndicatorsA275 Back Panel FRONTSETTING UP THE A275 WITH A DLA SPEAKER SELECTOR Wiring ConsiderationsSpeaker Wires Chapter 2. System Design & ApplicationsWiring Considerations DLA4 SPEAKER SELECTORSpeaker Wires HOME THEATER RECEIVERApplications 4/6/8 Ohm Speakers with Volume ControlsSystem Design Considerations SpeakersIMPORTANT NOTE Multi-RoomStereo Sub-Zones SpeakersIMPORTANT NOTE VOLUMEOutdoor SpeakersFrom Audio Chapter 3 ConnectionsRCA Patch Cable Output SourceA275 #2 A275 #1Line Ouputs From Audio Output SourceGREENBLACK WHITEREDSpeaker Binding Post Figure 3-3 Speaker Binding PostAH66T TriggersFrom AH66T #3-4FactoryFactoryDefault Chapter 4 Operations & SettingsDefaultis 85%50% Setting Channel LevelsChapter 5 Troubleshooting Technical Support Appendix A Specifications Rack-MountBracket Appendix B: Rack MountingFigure B-1 Figure B-219 Equipment Rack Rack ScrewsFigure B-3 A275 INSTALLATION MANUAL A T O NPage A T O N ATTENTION TO OUR VALUED CONSUMERS LIMITED WARRANTYcom.atonhome.www LIMITADA GARANTÍAREV 9803392 P/N CONSUMIDORES ESTIMADOS NUESTROS A ATENCIÓN19 Página NOTASINSTALACIÓN DE MANUAL A275 N O T ANOTAS N O T Areservados derechos los Todos 2010 ATON equipo de Bastidor pulg 19 debastidor para Tornillos 3-BFigurasoporte en Montaje B Apéndice 2-BFigura1-BFigura Peso Especificaciones A ApéndiceActivadores Consumotécnica Asistencia problemas de Resolución 5 Capítulo NIVEL NIVEL1 .no A275 2 .no A275A275 AH66TVERDE NEGROROJO BLANCO1 .no A275 2 .no A275RCA Cable fuente la de audio de salida DesdeConexiones 3 Capítulo A275fuente la de audio de salida Desdeexterior de A275exterior de AltavocesA275 habitaciones múltiples enAltavoces estéreo Subzonassistema del diseño al cuanto en Consideraciones Aplicacioneslínea de nivel de analógicaRCA Cable CASA EN CINE PARA RECEPTORlínea de nivel de analógicaCASA EN CINE PA RECEPTOR aplicaciones y sistema de Diseño .2 Capítulo¡Importante cableado al cuanto en ConsideracionesFUNCIÓN FUNCIÓNELEMENTO FRONTAL PARTEA275 del Características Introducción 1 Capítulocaja la de Contenido potencia de Amplificador A275instalación de Manual soporte en montaje para EscuadrasÍndice N O T A IV PáginaINSTALACIÓN DE MANUAL A275 de Diagrama ADVERTENCIAABRIR NO ELÉCTRICA DESCARGA DE RIESGO reservados derechos los Todos 2010 ATONSEGURIDAD DE IMPORTANTE INFORMACIÓN PRECAUCIÓNADVERTENCIA Prólogo manual este de PropósitoOrganización INSTALACIÓN DE MANUAL A275canales dos de potencia de Amplificador