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

Page 91

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

©2000 Crown International, Inc

Module Parts 8-53

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

Page 90 Page 92

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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 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 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 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 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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