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Crown Audio
IQ-USM 810
service manual
130447-1 Rev. a
Models:
IQ-USM 810
1
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Troubleshooting
Specification
Schematic Diagrams
Clock Signals
Warranty
Maintenance
Reset
Chassis Assembly
Test Procedures
Power Supply
Page 156
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IQ-USM
810 Service Manual
130447-1
Rev. A
8-118
Module Parts
©2000 Crown International, Inc.
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Contents
Digital Processor / Digital Mixer
Avis
Revision History
Date
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Table of Contents
Parts Information
Warranty
Crown Customer Service
Introduction
Introduction IQ-USM
IQ-USM 810 Front and Rear Views Introduction
Specifications
Mechanical
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Power Supply
Circuit Theory
Overview
Input
Clock Signals
3 A/D Conversion
Input Analog Processing Circuitry one channel
Output
DC Voltages
Output Analog Processing
Clock Buffers
1 +3.3V Power Supply
Reset
Sharc Processing
Clocks
PLDs
Bus Arbitration
Bus Utilization
DSP Processing
Sharc Pinout
System Controller
Audio Routing
Control Processing
11 68HC12 microcontroller Pinout
Front Display
2 RS232
Crown Bus Loop
Real Time Clock
Maintenance
General Information
Definitions
Required Test Equipment
Test Procedures
IQ Message String Syntax
Standard Initial Conditions
Head Room / Input Clip Level
Control Port Analog Inputs
Display Test
IQ BUS Master Control
Typical Measurements
Test/Debug Objects
HI-POT
Display Test Patterns Maintenance
Display Test Patterns
Error Codes
Troubleshooting FAQs
What is preset P00?
Parts
Ordering and Receiving Parts
Terms
Shipment
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Exploded View Parts
Chassis Assembly Exploded View Parts
Chassis Assembly
Quantity Description CPN
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Schematic Diagrams
IQ-USM 810 Modules
Module and Schematic Information
Module Parts
Module Parts
PWB #126346-5 Schematic #126451-3 Rev. a
PWA #126451-3
System Controller Module
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PWA #126451-3 Component Map Component Side Module Parts
PWB #126689-3 Schematic #126690-3 Rev. a
PWA #126690-3
Input Module
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PWA #126690-3 Component Map Component Side
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PWB #126692-4 Schematic #126693-4 Rev. a
PWA #126693-4
Output Module
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PWA #126693-4 Component Map Component Side
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PWB #126743-4 Schematic #126744-3 Rev. a
PWA #126744-3
Sharc Module
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PWA #126744-3 Component Map Component Side Module Parts
PWB #126746-3 Schematic #126745 Rev. a
PWA #126747-3
Front Display Module
Module Parts
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PWA #126747-3 Component Map Component Side
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PWB #126346-5 Schematic #126323 Rev. a
PWA #128045-1
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Module Parts
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PWA #128045-1 Component Map Component Side Module Parts
PWB #126743-4 Schematic #126742 Rev. C
PWA #128047-3
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PWA #128047-3 Component Map Component Side Module Parts
PWB #126743-4 Schematic #126742 Rev. D
PWA #128047-4
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PWA #128047-4 Component Map Component Side Module Parts
PWB #126689-3 Schematic #126688 Rev. a
PWA #128049-1
Module Parts
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PWA #128049-1 Component Map Component Side
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PWB #126692-4 Schematic #126691 Rev. C
PWA #128051-3
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Module Parts
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PWA #128051-3 Component Map Component Side
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Schematic Diagrams
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