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Alesis ADAT BRC User Manual

Alesis ADAT BRC
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BRC SERVICE MANUAL
January 1, 1994
Revision 2.00

Table of Contents

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Alesis ADAT BRC Specifications

General IconGeneral
DisplayLCD
Power SupplyAC Adapter
Control ProtocolMIDI
Sync OptionsVideo Sync
ConnectorsMIDI In/Out/Thru
FunctionsTransport control
TypeRemote Control Unit
CompatibilityADAT
Channels8
Dimensions19" rack mountable, 2U height

Summary

Preface, Warnings, and Safety

Electric Shock & Fire Precautions

Details on hazards related to electricity and moisture exposure.

Warranty & Service Disclaimers

Information regarding warranty voidance and service liability.

Safety Suggestions

BRC Building Blocks

BRC Repair

Assembly, Disassembly, and Front Panel Removal

Procedures for BRC assembly, disassembly, and front panel removal.

Main PCB Troubleshooting

Guidance on diagnosing and resolving issues with the Main PCB.

BRC Testing

Initialization and Self Test Routines

Procedures for BRC initialization and self-testing.

QC Test Procedure

Quality Control test steps for serviced units.

System Exclusive Information

Main PCB Circuits

Main PCB Interfaces

Front Panel Troubleshooting

Main PCB Troubleshooting

VCO Circuit Troubleshooting

Troubleshooting steps for the VCO circuit.

Software Upgrades and Error Messages

Guidance on software upgrades and interpreting error messages.

QC Test Procedure

MIDI Control and Inquiry Messages

Song Parameter Edit Commands (Continued)

MIDI Machine Control Commands (Continued)

BRC Main PCB Upgrades

Power Supply Insulator Sheet

Appendix E: BRC QC Test Procedure

Connections and Setup

Details on connecting and setting up the BRC for testing.

BRC Self Tests

ROM, RAM, and LED Tests

Procedures for testing ROM, RAM, and LED functionality.

Tape Operation Tests

Save Setup to Tape Test

Verifies saving BRC setup data to an ADAT tape.

Load Setup from Tape Test

Verifies loading BRC setup data from an ADAT tape.

BRC Loop Test

Tests BRC's ability to set up tape loops and roll functions.

BRC Auto Punch Test

Verifies the execution of auto-punch in and out.

Additional Test Requirements

Digital I/O Test

Tape Offset Test

Preparation For Delivery

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