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LA8

AMPLIFIED CONTROLLER

MAINTENANCE MANUAL – LEVEL 1

VERSION 2.0

w w w . l - a c o u s t i cs . co m

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Summary of Contents for LA8

Page 1: ...LA8 AMPLIFIED CONTROLLER MAINTENANCE MANUAL LEVEL 1 VERSION 2 0 www l acousti cs co m...

Page 2: ...all legally prescribed instructions if sending an apparatus to L ACOUSTICS for maintenance Save all user presets to files using LA NETWORK MANAGER software SYMBOLS The following symbols are used in th...

Page 3: ...4 GLOSSARY 4 INTRODUCTION 4 1 EQUIPMENT AND TOOLS 5 2 QUALITY CONTROL 6 3 DIAGNOSIS 7 Diagnosis table 7 Exploded view 15 Working time 15 4 MAINTENANCE PROCEDURES 16 D R 001 FRONT FRAME 16 D R 002 FOAM...

Page 4: ...S LA8 US version MODULE part of an amplified controller written in uppercase characters SMPS Switched Mode Power Supply power supply inside of the controller US United States INTRODUCTION This LA8 mai...

Page 5: ...orm all level 1 maintenance procedures on the LA8 amplified controller Equipment and tools Reference Manufacturer audio source with a known musical program CAT5e U FTP cable ear protections voltage ab...

Page 6: ...online mode refer to the LA NWM video tutorial Verify if the latest version of firmware is installed see the LA8 user manual or the LA NWM video tutorial 5 If not update firmware from LA NWM Select a...

Page 7: ...ine environments Contact L ACOUSTICS FOAM FILTER lost or damaged mechanical shock Replace the FOAM FILTER see procedure D R 002 FRONT FRAME lost or damaged mechanical shock Replace the FRONT FRAME see...

Page 8: ...ICS LCD screen lit but nothing is displayed blue screen controller connected to a 1 non compatible network Unplug all cables from the L NET connectors and restart the controller condensing humidity in...

Page 9: ...n the device preceding the controller in the network chain computer L NET OUT connector on another controller or Ethernet switch Do the same for each cable of the network chain from the controller to...

Page 10: ...troller If the controller is rack mounted Do not block the ventilation grills with front or back panels or doors If not possible use a forced ventilation system When stacking more than one controller...

Page 11: ...ircuit in loudspeaker or loudspeaker cable Verify that nothing causes a short circuit at the controller outputs wrong cabling scheme damaged cable or short circuit in the speaker voice coil Then resta...

Page 12: ...nued Issue Possible causes Inspection procedure Diagnosis Invalid MAC address Contact L Acoustics controller may have a non unique MAC address Contact L ACOUSTICS System Message Invalid L NET Client c...

Page 13: ...the XLR cable and plug it again on the audio source and the controller audio source cable 7 damaged Replace the XLR cable wrong settings on the 8 audio source Set appropriate parameter values on the a...

Page 14: ...ad the signal will be muted wrong preset selection 4 Select a preset in accordance with the loudspeaker system connected to the outputs audio source cable 5 incorrectly plugged Unplug the XLR cable an...

Page 15: ...DULES of the LA8 Each MODULE is indicated by a circled number The box next to a circle indicates the disassembly reassembly procedure D R associated to the MODULE No MODULE name 1 FRONT FRAME 2 FOAM F...

Page 16: ...his procedure describes how to replace the FRONT FRAME on an LA8 amplified controller Pull the FRONT FRAME at one side and remove it from the controller 1 Insert the two sides of a FRONT FRAME into th...

Page 17: ...TER of an LA8 amplified controller Pull on a FRONT FRAME side without removing it from the controller 1 Do the same on the other side 2 Remove the FOAM FILTER 3 If the FOAM FILTER is intended to be cl...

Page 18: ...ge completely Check that there is no voltage at the two pins of the power plug Replacement procedure This procedure describes how to replace the power plug of an LA8 amplified controller Unplug the PO...

Page 19: ...racket 2 Replacement procedure This procedure describes how to replace the REAR BRACKETS of an LA8 amplified controller Remove the two old REAR BRACKETS from the amplified controller pulling on them s...

Page 20: ...0 LA8_MM1_EN_2 0 w w w l a c o u s t i c s c o m 2 0 21 APPENDIX KR LIST Reference Concerned MODULE KR contents Associated procedure KR LABRACKET REAR BRACKETS 2 brackets D R 004 KR LAXGRI FRONT FRAME...

Page 21: ...ference LA8_MM1_EN_2 0 Distribution date June 10 2014 2014 L ACOUSTICS All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means without the express...

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