Allen heath icon series service manual

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allen heath icon series service manual

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2 icon series CONTENTS Introduction, Service and Technical Support...............................................................................3 The icon series & Options...........................................................................................................4 Specifications and Connections...................................................................................................5 Opening up the DL1000 console.................................................................................................6 Opening up the DP1000 console.................................................................................................7 Removing the DL1000 Power Supply circuit board assembly.....................................................8 Removing the DL1000 MIDI circuit board assembly....................................................................9 Removing the DP1000 Amplifier circuit board assembly.............................................................10 Removing the DP1000 Amplifier circuit board assembly continued............................................11 Removing the DP1000 Transformer and Transformer Mains wiring...........................................12 Removing the DP1000 MIDI circuit board assembly...................................................................13 Removing the CPU circuit board assembly.................................................................................14 Removing the LCD module..........................................................................................................15 Removing the Audio circuit board assembly................................................................................16 Removing the Fader, Keypad circuit board assembly and Rubber Keypad................................17 Ordering an icon console, options, manuals and support documentation..................................18 Ordering an Assembly.................................................................................................................19 Ordering a Spares Kit..................................................................................................................20-22 DL1000 Front & Rear Panel drawings.........................................................................................23 DP1000 Front & Rear Panel drawings.........................................................................................24 icon Block Diagram.....................................................................................................................25 DL1000 Power Supply Circuit Board component Ident................................................................AG3446 DL1000 Power Supply Circuit Diagram.......................................................................................C3446 icon MIDI Circuit Board component Ident...................................................................................AG3280 icon MIDI Circuit Diagram...........................................................................................................C3280 DP1000 Amplifier Circuit Board component Ident.......................................................................AG3297 DP1000 Amplifier Circuit Diagram Pages 1 to 3..........................................................................C3297 icon CPU Circuit Board component Ident...................................................................................AG3292 icon CPU Circuit Diagram Pages 1 to 7......................................................................................C3292 icon Audio Circuit Board component Ident..................................................................................AG3293 icon Audio Circuit Diagram Pages 1 to 4....................................................................................C3293 icon Fader Circuit Board component Ident.................................................................................AG3279 icon Fader Circuit Diagram.........................................................................................................C3279 icon Keypad Circuit Board component Ident...............................................................................AG3278 icon Keypad Circuit Diagram Pages 1 to 2.................................................................................C3278 DL1000 Mains Circuit Board component Ident............................................................................AG3298 DL1000 Mains Circuit Diagram....................................................................................................C3298 icon Service Manual AP3319 Issue 1. Copyright © 1999 Allen & Heath. All rights reserved. MANUFACTURED IN ENGLAND BY: ALLEN & HEATH AGENT: ALLEN & HEATH Kernick Industrial Estate Penryn, Cornwall, TR10 9LU. UK http://www.allen-heath.com Warning to the Service Engineer Allen & Heath warns that any unauthorised changes or modifications to the icon unit may invalidate the legal compliance of the unit and could void the user-s authority to operate the equipment.

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icon series 3 IntroductionThe information presented in this section of the manual is intended for competent technical personnel to carry out service and product support for the icon series. We assume that the reader is familiar with the related electronic theory and audio terminology, and is able to carry out basic servicing, fault-finding and repair of digital audio equipment of this type. Service personnel should also be familiar with audio systems, mains earthing and power requirements, as well as handling precautions. For information on the installation, operation and application of the icon series please refer to the User Guide. Whilst we believe the information in this manual 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. Service and Technical Support Under normal operating conditions the icon does not require user maintenance or internal calibration. Any service work required should be carried out by qualified technical personnel only. We are able to offer further product support through our world-wide distribution network. To help us provide an efficient service please quote the unit serial number, the date and place of purchase in any communication regarding this product. SAFETY WARNING! Mains electricity is dangerous and can kill. Mains voltage is present within the console power supply unit. The internal power supply unit contains no serviceable components and must be replaced as a complete unit if a failure occurs. Do not remove the power supply cover with mains electricity connected. To ensure your safety, mains earth is connected to the chassis through the power lead. Do not remove this mains earth connection. To avoid the risk of fire, replace the mains fuse only with the correct value and type as indicated on the power supply unit. IMPORTANT STATIC ELECTRICITY PRECAUTIONS Many of the components in the icon are extremely sensitive to static electricity. The following procedures reduce the possibility of damaging components: 1) Before handling any components or touching anything inside the unit, discharge your body-s static electric charge by touching a grounded (earthed) surface. Wear a grounding wrist strap if one is available. 2) Do not remove parts from their antistatic containers or bags until you are ready to install them. When removing circuit boards (PCBs) or ICs from a unit, immediately place them in an antistatic bag. 3) When handling PCBs, hold them by their edges and avoid touching the circuitry. 4) Do not slide PCBs or ICs over any surface. 5) Avoid having plastic, vinyl and foam in your work area. 6) Limiting your movements during service work reduces static electricity. Replace the battery with an Allen & Heath recommended part. Using a different battery, recharging or disassembling the battery may present a danger due to fire or explosion. Dispose of used batteries promptly according to the manufacturer-s instructions. Keep all batteries away from children. WARNING: There is danger of explosion if the battery is incorrectly replaced.