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Crown Audio
IQ-USM 810
service manual
PWA #128049-1, PWB #126689-3 Schematic #126688 Rev. a
Models:
IQ-USM 810
1
137
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Troubleshooting
Specifications
Schematic Diagrams
Clock Signals
Warranty
Maintenance
Reset
Chassis Assembly
Test Procedures
Power Supply
Page 137
Image 137
130447-1
Rev. A
IQ-USM
810 Service Manual
PWA
#128049-1
Input Module
PWB
#126689-3
Schematic #126688 Rev. A
©2000 Crown International, Inc
Module Parts
8-99
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Image 137
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Page 138
Contents
Digital Processor / Digital Mixer
Avis
Date
Revision History
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Table of Contents
Parts Information
Crown Customer Service
Warranty
Introduction
Introduction IQ-USM
IQ-USM 810 Front and Rear Views Introduction
Mechanical
Specifications
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Circuit Theory
Power Supply
Overview
Input
3 A/D Conversion
Clock Signals
Input Analog Processing Circuitry one channel
DC Voltages
Output
Output Analog Processing
Clock Buffers
Reset
1 +3.3V Power Supply
Sharc Processing
Clocks
Bus Arbitration
PLDs
Bus Utilization
DSP Processing
Sharc Pinout
Audio Routing
System Controller
11 68HC12 microcontroller Pinout
Control Processing
2 RS232
Front Display
Crown Bus Loop
Real Time Clock
General Information
Maintenance
Definitions
Required Test Equipment
Standard Initial Conditions
Test Procedures
IQ Message String Syntax
Head Room / Input Clip Level
Control Port Analog Inputs
Display Test
IQ BUS Master Control
HI-POT
Typical Measurements
Test/Debug Objects
Display Test Patterns
Display Test Patterns Maintenance
Troubleshooting FAQs
Error Codes
What is preset P00?
Ordering and Receiving Parts
Parts
Terms
Shipment
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Exploded View Parts
Chassis Assembly Exploded View Parts
Quantity Description CPN
Chassis Assembly
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IQ-USM 810 Modules
Schematic Diagrams
Module and Schematic Information
Module Parts
Module Parts
System Controller Module
PWB #126346-5 Schematic #126451-3 Rev. a
PWA #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. a
PWA #126690-3
Module Parts
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Module Parts
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PWA #126690-3 Component Map Component Side
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Output Module
PWB #126692-4 Schematic #126693-4 Rev. a
PWA #126693-4
130447-1 Rev. a
130447-1 Rev. a
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130447-1 Rev. a
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PWA #126693-4 Component Map Component Side
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Sharc Module
PWB #126743-4 Schematic #126744-3 Rev. a
PWA #126744-3
130447-1 Rev. a
130447-1 Rev. a
Module Parts
130447-1 Rev. a
Module Parts
130447-1 Rev. a
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PWA #126744-3 Component Map Component Side Module Parts
Front Display Module
PWB #126746-3 Schematic #126745 Rev. a
PWA #126747-3
Module Parts
130447-1 Rev. a
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PWA #126747-3 Component Map Component Side
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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
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PWA #128047-3 Component Map Component Side Module Parts
PWA #128047-4
PWB #126743-4 Schematic #126742 Rev. D
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130447-1 Rev. a
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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
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Module Parts
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PWA #128049-1 Component Map Component Side
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PWA #128051-3
PWB #126692-4 Schematic #126691 Rev. C
130447-1 Rev. a
130447-1 Rev. a
Module Parts
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Module Parts
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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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