Page 2 - CAUTION
IQ-USM 810 Service Manual II 130447-1 Rev. A ©2000 Crown International, Inc. À PRÉVENIR LE CHOC ÉLECTRIQUE N’ENLEVEZ PAS LES COUVERTURES. RIEN DES PARTIES UTILES À L’INTÉRIEUR. DÉBRANCHER LA BORNE AVANT D’OUVRIR LA MODULE EN ARRIÈRE. TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP OR BOTTOM COVERS. NO U...
Page 3 - Revision History
III 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc. Revision History Revision Number Date Comments Rev. A 04-2000 Initial Printing
Page 5 - Table of Contents
V 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc. Table of Contents 1 Introduction ............................................................................ 1-1 1.1 Introduction ................................................................................ 1-11.2 The I...
Page 7 - Introduction; Crown Customer Service
Introduction 1-1 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc. 1.1 Introduction This manual contains complete service informationon the Crown ® IQ-USM 810 Digital Processor/Digital Mixer. It is designed to be used in conjunction withthe Reference Manual; however, some imp...
Page 9 - Specifications; Mechanical
Specifications 2-1 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc. 2 Specifications General Front Panel Controls: Front-panel switches select IQ Address, Baud Rate, factory default preset (P00), andany of 32 user-defined presets (P01–P32). Rear-Panel Controls: A 3-position ...
Page 11 - Circuit Theory
©2000 Crown International, Inc. Circuit Theory 3-1 130447-1 Rev. A IQ-USM 810 Service Manual 3 Circuit Theory 3.1 Overview This section explains operation of the IQ-USM 810 cir-cuitry. Please refer to the IQ-USM 810 Reference Manualand IQ for Windows help files for information about theIQ-USM 810 fe...
Page 18 - System Controller
©2000 Crown International, Inc. IQ-USM 810 Service Manual 3-8 Circuit Theor y 130447-1 Rev. A bus and accesses SDRAM when it is available. TheSHARC blocks access to the bus through the use ofthe \SDLOCK pin during SDRAM transfers. SDRAM isutilized only for audio delay processing and has no firm-ware...
Page 21 - Maintenance; General Information; Circuitry is ESD sensitive. When servicing
©2000 Crown International, Inc. Maintenance 4-1 130447-1 Rev. A IQ-USM 810 Service Manual 4 Maintenance 4.1 General Information This chapter provides test procedures to be used toverify operation of this IQ component. Minimum speci-fications for proof of performance are given with eachprocedure. Pro...
Page 22 - IQ Message String Syntax; Standard Initial Conditions
©2000 Crown International, Inc. IQ-USM 810 Service Manual 4-2 Maintenance 130447-1 Rev. A 4.4 IQ Message String Syntax 4.4.1 Host to Device Messages The following syntax is used for host to device mes-sages: Send: XX XX XX XX XX ; Description XX: A byte of the message explicitly given in hexadeci- m...
Page 27 - Typical Measurements
©2000 Crown International, Inc. Maintenance 4-7 130447-1 Rev. A IQ-USM 810 Service Manual 4.6.20 CHASSIS GROUND Spec: Ground conductor of the power inlet is connected to chassis ground. Note: This test to be completed after the complete productassembly. Procedure: Verify power inlet less than 1 W be...
Page 28 - Display Test Patterns
©2000 Crown International, Inc. IQ-USM 810 Service Manual 4-8 Maintenance 130447-1 Rev. A 4.9 Display Test Patterns Figure 4.1 Display Test Patterns LED Display Enable/Data/Interface Input Gate Status Figure 4.1 shows display test patterns for the IQ-USM810. For each display section, the sequence st...
Page 29 - Troubleshooting FAQs
©2000 Crown International, Inc. Maintenance 4-9 130447-1 Rev. A IQ-USM 810 Service Manual 4.10 Error Codes Figure 4.2 IQ-USM 810 Error Codes E01 UART failed system controller power-on self test E02 RAM failed system controller power-on self test E03 Application code in flash failed crc test E04 Flas...
Page 31 - General Information; Parts
©2000 Crown International, Inc. Parts 5-1 130447-1 Rev. A IQ-USM 810 Service Manual 5.1 General Information This chapter includes both a mechanical and electricalparts list for this product. All serviceable parts and as-semblies will have a Crown Part Number (CPN) listedin this chapter. The parts li...
Page 33 - Exploded View Parts; General Information
©2000 Crown International, Inc. Exploded View Parts 6-1 130447-1 Rev. A IQ-USM 810 Service Manual 6 Exploded View Parts 6.1 General Information This chapter includes a mechanical part list for thisproduct. All serviceable parts and assemblies willhave a Crown Part Number (CPN) listed in this chap-te...
Page 35 - Chassis Assembly
©2000 Crown International, Inc. Exploded View Parts 6-3 130447-1 Rev. A IQ-USM 810 Service Manual Item Quantity Description Part # (CPN) 6.2 Chassis Assembly Refer to figure 6.1 for Location of Major Parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 FP, USM810...
Page 37 - General Information; Module and Schematic
Module and Schematic Information 7-1 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc. 7.1 General Information The schematics referenced and provided are repre-sentative only. There may be slight variations betweencomponent to component. These schematics are in-tended to be u...
Page 39 - Module Parts; General Information
Module Parts 8-1 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc 8 Module Parts 8.1 General Information This chapter includes electrical parts lists for this prod-uct. All serviceable parts and assemblies will have aCrown Part Number (CPN) listed in this chapter. Theparts li...
Page 41 - System Controller Module
Module Parts 8-3 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc PWA #126451-3 System Controller Module PWB #126346-5 Schematic #126451-3 Rev. A
Page 51 - Input Module
Module Parts 8-13 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc PWA #126690-3 Input Module PWB #126689-3 Schematic #126690-3 Rev. A
Page 69 - Output Module
Module Parts 8-31 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc PWA #126693-4 Output Module PWB #126692-4 Schematic #126693-4 Rev. A
Page 85 - SHARC Module
Module Parts 8-47 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc PWA #126744-3 SHARC Module PWB #126743-4 Schematic #126744-3 Rev. A
Page 97 - Front Display Module
Module Parts 8-59 130447-1 Rev. A IQ-USM 810 Service Manual ©2000 Crown International, Inc PWA #126747-3 Front Display Module PWB #126746-3 Schematic #126745 Rev. A
Page 171 - Schematic Diagrams
©2000 Crown International, Inc. Schematic Diagrams 9-1 130447-1 Rev. A IQ-USM 810 Service Manual 9 Schematic Diagrams The schematics provided are representative only.There may be slight variations between amplifier toamplifier. These schematics are intended to be usedfor troubleshooting purposes onl...