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
Analog Audio Performance:..................................................................................................................... 4-1
Setup:................................................................................................................................................... 4-1
Input to Send........................................................................................................................................ 4-3
Insert Return Inputs to Outputs:......................................................................................................... 4-16
Lexicon Audio Precision ATE Summary ............................................................................................ 4-33
Chapter 5 Troubleshooting ......................................................................... 5-1
http://www.lexicon.com/kbase/index.asp................................................................................................. 5-1
Diagnostics .............................................................................................................................................. 5-1
Power On Diagnostics: ........................................................................................................................ 5-1
Error Indication:.................................................................................................................................... 5-1
Test Descriptions: ................................................................................................................................ 5-2
Functional Tests / Extended Diagnostics................................................................................................. 5-5
Functional Test Descriptions ................................................................................................................... 5-6
Switch Test: ......................................................................................................................................... 5-6
Front Panel Pots .................................................................................................................................. 5-8
LED Test .............................................................................................................................................. 5-9
Display Character Test ........................................................................................................................ 5-9
Display Block Test ............................................................................................................................. 5-10
Auto Test Execution........................................................................................................................... 5-11
Burn In Loop ...................................................................................................................................... 5-11
Footpedal Test ................................................................................................................................... 5-12
MIDI Test ........................................................................................................................................... 5-13
DRAM Test ........................................................................................................................................ 5-14
WCS Test........................................................................................................................................... 5-15
Lo SRAM Test.................................................................................................................................... 5-15
ROM Test........................................................................................................................................... 5-16
TOP LEVEL MENU UTILITIES & TOOLS ............................................................................................. 5-16
Exit Diags........................................................................................................................................... 5-17
Scope Loops ...................................................................................................................................... 5-17
Software Err Log ................................................................................................................................ 5-17
Clear Err Log...................................................................................................................................... 5-18
2186 Tools ......................................................................................................................................... 5-18
View Alg Nums................................................................................................................................... 5-19
UTILITY MENU (Options Button) .......................................................................................................... 5-19
Repeat Test ....................................................................................................................................... 5-19
Test Result Menu............................................................................................................................... 5-20
View DRAM........................................................................................................................................ 5-26
MIDI Scope ........................................................................................................................................ 5-26
EMERGENCY DIAGNOSTICS.............................................................................................................. 5-26
Removing the Top Cover:...................................................................................................................... 5-27
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