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

Crown Audio IQ-USM 810 service manual 130447-1 Rev. a

Models: IQ-USM 810

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

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130447-1 Rev. A		IQ-USM 810 Service Manual

©2000 Crown International, Inc

Module Parts 8-93

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Crown Audio IQ-USM 810 service manual 130447-1 Rev. a

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Contents

Digital Processor / Digital Mixer Avis Date Revision History This page intentionally left blank Table of Contents Parts Information Introduction IQ-USM WarrantyCrown Customer Service Introduction IQ-USM 810 Front and Rear Views Introduction Mechanical Specifications This page intentionally left blank Input Power SupplyCircuit Theory Overview 3 A/D Conversion Clock Signals Input Analog Processing Circuitry one channel Clock Buffers OutputDC Voltages Output Analog Processing Clocks 1 +3.3V Power SupplyReset Sharc Processing DSP Processing PLDsBus Arbitration Bus Utilization Sharc Pinout Audio Routing System Controller 11 68HC12 microcontroller Pinout Control Processing Real Time Clock Front Display2 RS232 Crown Bus Loop Required Test Equipment MaintenanceGeneral Information Definitions Standard Initial Conditions Test ProceduresIQ Message String Syntax Head Room / Input Clip Level Control Port Analog Inputs Display Test IQ BUS Master Control HI-POT Typical MeasurementsTest/Debug Objects Display Test Patterns Display Test Patterns Maintenance Troubleshooting FAQs Error Codes What is preset P00? Shipment PartsOrdering and Receiving Parts Terms This page intentionally left blank Exploded View Parts Chassis Assembly Exploded View Parts Quantity Description CPN Chassis Assembly This page intentionally left blank IQ-USM 810 Modules Schematic Diagrams Module and Schematic Information Module Parts Module Parts System Controller Module PWB #126346-5 Schematic #126451-3 Rev. aPWA #126451-3 Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a Module Parts 130447-1 Rev. a PWA #126451-3 Component Map Component Side Module Parts Input Module PWB #126689-3 Schematic #126690-3 Rev. aPWA #126690-3 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 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 Output Module PWB #126692-4 Schematic #126693-4 Rev. aPWA #126693-4 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 Sharc Module PWB #126743-4 Schematic #126744-3 Rev. aPWA #126744-3 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 PWA #126744-3 Component Map Component Side Module Parts Front Display Module PWB #126746-3 Schematic #126745 Rev. aPWA #126747-3 Module Parts 130447-1 Rev. a This page intentionally left blank PWA #126747-3 Component Map Component Side This Page Intentionally Left Blank PWA #128045-1 PWB #126346-5 Schematic #126323 Rev. a 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 PWA #128047-3 PWB #126743-4 Schematic #126742 Rev. C 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 PWA #128047-4 PWB #126743-4 Schematic #126742 Rev. D 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 PWA #128049-1 PWB #126689-3 Schematic #126688 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 Module Parts 130447-1 Rev. a This page intentionally left blank PWA #128049-1 Component Map Component Side This Page Intentionally Left Blank PWA #128051-3 PWB #126692-4 Schematic #126691 Rev. C 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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