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gr2_ap6321_1.doc 

 

 

Introduction 

 

This publication provides technical information on servicing the Allen & Heath 

GR2

 Audio Zone Mixer.  

Included are internal layout drawings, block diagrams and circuit schematics with board layouts.  Whilst 
we believe this information to be reliable we do not assume responsibility for inaccuracies. We also 
reserve the right to make changes in the interest of further product development. 

 

 

 

Additional Resources 

 

Allen & Heath web site   

www.allen-heath.com

  

Product information 

 

        Technical 

downloads 

 

        Distribution 

contacts 

   

 

 

 

 

 

 

 

Company contacts 

Technical support 

 

[email protected]

 

See web for local contact 

 

GR2

 

user 

guide 

  AP6320   Operating 

instructions 

 

        Performance 

specification

   

 

 

 

 

 

 

 

 

 
 
 
 

GR2

 Service Information 

Issue status:

    gr2_ap6321_1.doc 

Print date:

     07 December 2005 

Copyright © 2005 Allen & Heath.  All rights reserved 

 

 

 

Manufactured in the United Kingdom by Allen & Heath 

Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK 

http://www.allen-heath.com 

Summary of Contents for GR2

Page 1: ...GR2 Audio Zone Mixer SERVICE INFORMATION Publication AP6321 ...

Page 2: ...nterest of further product development Additional Resources Allen Heath web site www allen heath com Product information Technical downloads Distribution contacts Company contacts Technical support support allen heath com See web for local contact GR2 user guide AP6320 Operating instructions Performance specification GR2 Service Information Issue status gr2_ap6321_1 doc Print date 07 December 2005...

Page 3: ...de and marked on the equipment panel Opening the unit Switch off and remove the mains power cord before opening the equipment Ensure all power supply covers and safety shields are in place before applying power with the unit open for diagnostic fault finding Closing the unit Before finishing check the quality and accuracy of the service work carried out Remove any dirt or debris as this may cause ...

Page 4: ...awing gr2_layout_1 pdf Surface and Main Parts gr2_parts_1 pdf System Block Diagram gr2_blockdiagram_1 pdf Main PCB gr2_003 483_main_2 pdf Rear PCB gr2_003 484_rear_2 pdf Front Sub PCB gr2_003 485_front_sub_2 pdf Power Supply PCB gr2_003 487_psu_2 1 pdf ...

Page 5: ...ntify the correct issue circuit boards and components Whilst we believe this information to be reliable we do not assume responsibility for inaccuracies We also reserve the right to make changes in the interest of further product development Assembly Description From Serial Number Date Change Note Number 003 487 Mains fuse changed to from 0 5A to 1A Nov 05 1217 003 483 Software Revision to V1 2 00...

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