L-Acoustics LA8 Maintenance Manual
Amplified controller
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Also See for LA8:
- User manual (92 pages) ,
- Product information (21 pages) ,
- Owner's manual (201 pages)
Related Manuals for L-Acoustics LA8
Summary of Contents for L-Acoustics LA8
- Page 1 AMPLIFIED CONTROLLER MAINTENANCE MANUAL – LEVEL 1 VERSION 2.0 w w w . l - a c o u s t i c s . c o m...
- Page 2 Performing another operation will expose the user to hazardous situations. ® Contact L-ACOUSTICS for advanced maintenance. Follow all legally prescribed instructions if sending an apparatus to L-ACOUSTICS ® for maintenance. Save all user presets to files using LA NETWORK MANAGER software.
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Page 3: Table Of Contents
CONTENTS REVISION HISTORY GLOSSARY INTRODUCTION EQUIPMENT AND TOOLS QUALITY CONTROL DIAGNOSIS Diagnosis table ................................7 Exploded view................................15 Working time ................................15 MAINTENANCE PROCEDURES D/R 001 – FRONT FRAME ............................16 D/R 002 – FOAM FILTER ............................17 D/R 003 – Power plug..............................18 D/R 004 –... -
Page 4: Revision History
United States INTRODUCTION This LA8 maintenance manual – level 1 is intended for End Users and gathers the level 1 procedures for the LA8 amplified controller (periodic maintenance, troubleshooting and disassembly/reassembly of outside MODULES). It is intended to be used as follows: Perform the QUALITY CONTROL procedure and note down all detected issues. -
Page 5: Equipment And Tools
1 EQUIPMENT AND TOOLS The following table is the complete list of equipment and tools required to perform all level 1 maintenance procedures on the LA8 amplified controller. Equipment and tools Reference Manufacturer audio source with a known musical program —... -
Page 6: Quality Control
Verify if the controller can be put in 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). If not, update firmware from LA NWM. -
Page 7: Diagnosis
D/R 002. environments operation in very dusty or Inside of the controller dirty cracked-oil smoke machine Contact L-ACOUSTICS ® (visible from the front grill) environments Replace the FOAM FILTER, see procedure FOAM FILTER lost or damaged mechanical shock D/R 002. - Page 8 Verify if the mains is available and if the LCD screen switched off when the voltage is compatible with the indications on mains failure or wrong LA8 is on (“black screen”) the identification plate of the controller voltage (back panel).
- Page 9 Disconnect the software client. controller firmware failure Restart the controller. 10. other cause Contact L-ACOUSTICS ® w w w . l - a c o u s t i c s . c o m 9 / 21 LA8_MM1_E N_2.0...
- Page 10 Verify that the number of enclosures connected in parallel to output x is not too high. other cause Contact L-ACOUSTICS ® continued on next page… w w w . l - a c o u s t i c s . c o m 1 0 / 21 LA8_MM1_E N_2.0...
- Page 11 16 A for mains voltage drop when the Fuseprotect” 230 V or 30 A for 120 V (LA8, LA8CN or controller is on and signal muted LA8US), 15 A for 200 V or 30 A for 100 V (LA8JP).
- Page 12 Error message (continued) Issue Possible causes Inspection procedure / Diagnosis controller may have a non- “Invalid MAC address ® Contact L-ACOUSTICS unique MAC address Contact L-Acoustics” controller is connected to a Update LA NWM to version 2.2.0.0 or “System Message non-compatible version above.
- Page 13 Otherwise, go to next step. mains failure Inspect the mains. other cause Contact L-ACOUSTICS ® continued on next page… w w w . l - a c o u s t i c s . c o m 1 3 / 21...
- Page 14 Otherwise, go to next step. mains failure Inspect the mains. ® Contact L-ACOUSTICS other cause w w w . l - a c o u s t i c s . c o m 1 4 / 21 LA8_MM1_E N_2.0...
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Page 15: Exploded View
Exploded view The following exploded view represents the MODULES 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. MODULE name FRONT FRAME FOAM FILTER... -
Page 16: Maintenance Procedures
Replacement procedure This 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. Insert the two sides of a FRONT FRAME into the holes on the controller without locking. -
Page 17: D/R 002 - Foam Filter
Cleaning or replacement procedure This procedure describes how to clean or replace the FOAM FILTER of an LA8 amplified controller. Pull on a FRONT FRAME side without removing it from the controller. Do the same on the other side. -
Page 18: D/R 003 - Power Plug
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 POWER CORD from the mains and wait for 10 minutes. -
Page 19: D/R 004 - Rear Brackets
Description bracket 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, see Figure 1. Figure 1: Removing the REAR BRACKETS Insert the two new REAR BRACKETS pushing on them until they are locked. -
Page 20: Appendix: Kr List
AMPLIFIED CONTROLLER MAINTENANCE MANUAL – LEVEL 1 VERSION 2.0 APPENDIX: KR LIST Associated Reference Concerned MODULE KR contents procedure KR LABRACKET REAR BRACKETS 2 brackets D/R 004 D/R 001 KR LAXGRI FRONT FRAME 1 frame KR LAXMOU FOAM FILTER 10 foam filters D/R 002 w w w . -
Page 21: W W W . L - A C O U S T I C S . C O M
Document reference: 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 written consent of the publisher.
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