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 ................................................................... 2-3
Periodic Maintenance .............................................................................................................................. 2-3
Ordering Parts ......................................................................................................................................... 2-3
Returning Units to Lexicon for Service .................................................................................................... 2-3
Chapter 3 Specifications............................................................................. 3-1
Chapter 4 Performance Verification............................................................ 4-1
Initial Inspection:...................................................................................................................................... 4-1
Functional Tests: ..................................................................................................................................... 4-1
Analog Input Test................................................................................................................................. 4-1
Audio Performance Verification: .............................................................................................................. 4-2
Input to Record Outputs Test............................................................................................................... 4-2
Input to Zone 2 Output Test ................................................................................................................. 4-3
Main Audio Output Test ....................................................................................................................... 4-4
Digital Input to Analog Output Tests .................................................................................................... 4-4
Video Input / Output Tests....................................................................................................................... 4-5
Composite Input to Composite Monitor / Records (1 and 2) Outputs Tests......................................... 4-5
S-Video Input to S-Video Monitor / Records (1 and 2) Outputs Tests.................................................. 4-6
Expansion Port Digital Input to Analog Output Test ................................................................................ 4-6
Setup.................................................................................................................................................... 4-7
Test...................................................................................................................................................... 4-7
Digital Output Test................................................................................................................................... 4-7
Setup.................................................................................................................................................... 4-7
Test...................................................................................................................................................... 4-8
Lexicon Audio Precision ATE Summary .............................................................................................. 4-9
Chapter 5 Troubleshooting ......................................................................... 5-1
V4 Release Notes.................................................................................................................................... 5-1
V1.00 bug descriptions: ....................................................................................................................... 5-1
Diagnostics .............................................................................................................................................. 5-1
Diagnostic Reporting............................................................................................................................ 5-1
VFD Display: ........................................................................................................................................ 5-2
Front Panel LEDs:................................................................................................................................ 5-2
Serial Debug Pot:................................................................................................................................. 5-2
Error Log: ............................................................................................................................................. 5-2
Diagnostic Control/Interface:................................................................................................................ 5-3
Power On Diagnostics: ........................................................................................................................ 5-3
Extended Diagnostics .......................................................................................................................... 5-6
Pre-Burn in Tests ................................................................................................................................. 5-7
Functional Suite ................................................................................................................................... 5-7
Burn-In Loop ........................................................................................................................................ 5-9
Troubleshooting Problems..................................................................................................................... 5-10
Initial Inspection ................................................................................................................................. 5-11
User Interface Problems: ................................................................................................................... 5-12
Audio Problems.................................................................................................................................. 5-12
Video Problems.................................................................................................................................. 5-13
Power Supply..................................................................................................................................... 5-14
Video Subcarrier Calibration .............................................................................................................. 5-15
Restoring Defaults ............................................................................................................................. 5-16
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