Manuals / Crown Audio / Musical Instruments & Equipment / Music Mixer

Crown Audio IQ-USM 810 service manual This page intentionally left blank

Models: IQ-USM 810

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Troubleshooting Specs Schematic Diagrams Clock Signals Warranty Maintenance Reset Chassis Assembly Test Procedures Power Supply

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IQ-USM 810 Service Manual

130447-1 Rev. A

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IV

©2000 Crown International, Inc.

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Crown Audio IQ-USM 810 service manual This page intentionally left blank

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Contents

Digital Processor / Digital Mixer Avis Revision History Date This page intentionally left blank Table of Contents Parts Information Warranty Crown Customer ServiceIntroduction Introduction IQ-USM IQ-USM 810 Front and Rear Views Introduction Specifications Mechanical This page intentionally left blank Power Supply Circuit TheoryOverview Input Clock Signals 3 A/D Conversion Input Analog Processing Circuitry one channel Output DC VoltagesOutput Analog Processing Clock Buffers 1 +3.3V Power Supply ResetSharc Processing Clocks PLDs Bus ArbitrationBus Utilization DSP Processing Sharc Pinout System Controller Audio Routing Control Processing 11 68HC12 microcontroller Pinout Front Display 2 RS232Crown Bus Loop Real Time Clock Maintenance General InformationDefinitions Required Test Equipment IQ Message String Syntax Test ProceduresStandard Initial Conditions Head Room / Input Clip Level Control Port Analog Inputs Display Test IQ BUS Master Control Test/Debug Objects Typical MeasurementsHI-POT Display Test Patterns Maintenance Display Test Patterns Error Codes Troubleshooting FAQs What is preset P00? Parts Ordering and Receiving PartsTerms Shipment This page intentionally left blank Exploded View Parts Chassis Assembly Exploded View Parts Chassis Assembly Quantity Description CPN This page intentionally left blank Schematic Diagrams IQ-USM 810 Modules Module and Schematic Information Module Parts Module Parts PWA #126451-3 PWB #126346-5 Schematic #126451-3 Rev. aSystem Controller Module Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a PWA #126451-3 Component Map Component Side Module Parts PWA #126690-3 PWB #126689-3 Schematic #126690-3 Rev. aInput Module Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a This page intentionally left blank PWA #126690-3 Component Map Component Side This Page Intentionally Left Blank PWA #126693-4 PWB #126692-4 Schematic #126693-4 Rev. aOutput Module 130447-1 Rev. a 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a This page intentionally left blank PWA #126693-4 Component Map Component Side This Page Intentionally Left Blank PWA #126744-3 PWB #126743-4 Schematic #126744-3 Rev. aSharc Module 130447-1 Rev. a 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a PWA #126744-3 Component Map Component Side Module Parts PWA #126747-3 PWB #126746-3 Schematic #126745 Rev. aFront Display Module Module Parts 130447-1 Rev. a This page intentionally left blank PWA #126747-3 Component Map Component Side This Page Intentionally Left Blank PWB #126346-5 Schematic #126323 Rev. a PWA #128045-1 130447-1 Rev. a 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a PWA #128045-1 Component Map Component Side Module Parts PWB #126743-4 Schematic #126742 Rev. C PWA #128047-3 Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a PWA #128047-3 Component Map Component Side Module Parts PWB #126743-4 Schematic #126742 Rev. D PWA #128047-4 Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a PWA #128047-4 Component Map Component Side Module Parts PWB #126689-3 Schematic #126688 Rev. a PWA #128049-1 Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a This page intentionally left blank PWA #128049-1 Component Map Component Side This Page Intentionally Left Blank PWB #126692-4 Schematic #126691 Rev. C PWA #128051-3 130447-1 Rev. a 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a This page intentionally left blank PWA #128051-3 Component Map Component Side This Page Intentionally Left Blank Schematic Diagrams This page intentionally left blank

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