Lexicon MPX 500 - Front Panel Overview

Lexicon
Table of Contents
Chapter 1 Reference Documents, Required Equipment............................. 1-1
Reference Documents............................................................................................................................. 1-1
Required Equipment................................................................................................................................ 1-1
Tools .................................................................................................................................................... 1-1
Test Equipment.................................................................................................................................... 1-1
Chapter 2 General Information ................................................................... 2-1
Periodic Maintenance .............................................................................................................................. 2-1
Ordering Parts ......................................................................................................................................... 2-1
Returning Units to Lexicon for Service .................................................................................................... 2-1
Chapter 3 Specifications............................................................................. 3-1
Chapter 4 Performance Verification............................................................ 4-1
Diagnostics: ............................................................................................................................................. 4-1
Setup: ...................................................................................................................................................... 4-1
I/O Tests:................................................................................................................................................. 4-1
Analog In To Analog Out Level Test: ................................................................................................... 4-1
Frequency Response Test: ..................................................................................................................... 4-1
Analog In To Analog Out Frequency Test:........................................................................................... 4-1
THD+N Test: ........................................................................................................................................... 4-2
Analog In To Analog Out THD+N Test:................................................................................................ 4-2
Crosstalk Tests:....................................................................................................................................... 4-2
Analog In To Analog Out Crosstalk Test:............................................................................................. 4-2
Dynamic Range Tests: ............................................................................................................................ 4-2
Analog In To Analog Out Dynamic Range Test: .................................................................................. 4-2
Digital I/O Functionality............................................................................................................................ 4-2
MIDI Functionality:................................................................................................................................... 4-3
Footswitch Functionality: ......................................................................................................................... 4-3
Listening Test: ......................................................................................................................................... 4-4
Setup.................................................................................................................................................... 4-4
Verify Clean Audio ............................................................................................................................... 4-4
Shock Test ........................................................................................................................................... 4-4
Lexicon Audio Precision ATE Summary .............................................................................................. 4-5
Chapter 5 Troubleshooting ......................................................................... 5-1
Check the Lexicon web site for the latest software and information:................................................ 5-1
Diagnostics .............................................................................................................................................. 5-1
Power Up Diagnostics.......................................................................................................................... 5-1
Error Indication..................................................................................................................................... 5-1
Test Descriptions ................................................................................................................................. 5-2
#1 ROM Test : .................................................................................................................................. 5-2
#2 SRAM Test: ................................................................................................................................. 5-2
#3 WCS Test: ................................................................................................................................... 5-2
#4 INT Test:...................................................................................................................................... 5-2
#5 ADF Test: .................................................................................................................................... 5-2
#6 EEPROM Test:............................................................................................................................ 5-2
Extended Diagnostics .......................................................................................................................... 5-3
#1 ROM Test : .................................................................................................................................. 5-4
#2 SRAM Test: ................................................................................................................................. 5-4
#3 WCS Test: ................................................................................................................................... 5-5
#4 INT Test:...................................................................................................................................... 5-5
#5 ADF Test: .................................................................................................................................... 5-5
#6 EEPROM Test:............................................................................................................................ 5-5
#7 DRAM Test:................................................................................................................................. 5-5
#8 Switch Test:................................................................................................................................. 5-5