Lexicon LXP-5 Service Manual

LXP-5 Service Manual
Table of Contents
1. LXP-5 Controls and Connectors
Front Panel.1-2
Rear Panel. 1 - 3
Power.1-4
Audio Cabling.1-4
Periodic Maintenance.1-4
Ordering parts.1-5
Returning units for service.1 -5
2. Performance Verification
Front Panel Diagnostics.2-2
Using Diagnostic Tests.2-3
Test Programs.2-4
Clocks and Power Supply Measurements.2-10
Performance Tests.2-12
Troubleshooting.2-21
3. Circuit Description
Analog Block Diagram.3-2
Power Supply.3-3
Reset....3-4
Battery Backup.3-5
Analog Circuitry.3-5
Converter Circuitry.3-6
Output Circuitry.3-7
Digital Block Diagram.3-8
280 Processor Circuitry.3-9
Memory.3-10
Master/Slave Interface. 3 - 1 1
Master Decoding.3-12
Slave Decoding. 3 -13
Digital Audio Processor.3-16
UART, I/O.3-17
Signal and Bus Descriptions.3-19
4. Specifications
5. Parts List
6. S chematics and Assembly Drawings

Lexicon LXP-5 Specifications

General

Brand	Lexicon
Model	LXP-5
Category	Recording Equipment
Language	English