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 Specification 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 8-37

Page 74 Page 76

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

Page 74 Page 76

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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 Test Procedures IQ Message String SyntaxStandard Initial Conditions Head Room / Input Clip Level Control Port Analog Inputs Display Test IQ BUS Master Control Typical Measurements Test/Debug ObjectsHI-POT 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 PWB #126346-5 Schematic #126451-3 Rev. a PWA #126451-3System 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 PWB #126689-3 Schematic #126690-3 Rev. a PWA #126690-3Input 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 PWB #126692-4 Schematic #126693-4 Rev. a PWA #126693-4Output 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 PWB #126743-4 Schematic #126744-3 Rev. a PWA #126744-3Sharc 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 PWB #126746-3 Schematic #126745 Rev. a PWA #126747-3Front 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 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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