Lexicon primetime ii 95 service manual

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Service Packet

Prime Time II Digital Delay Processor

Model 95

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Table of Contents

Factory Service and Parts.................;...........................iv

1 Description.......................................................1-1

2 Specifications....................................................2-1

3 Performance lasts and Calibration Procedures......................3-1

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3.12
3.13
3.1
3.15

Visual Inspection...........................................3-1
Power Supplies..............................................3-2
Front Panel Test............................................3-u
Signal Test.................................................3-5
Common Mode Rejection Test..................................3-7
Balanced Output Symmetry Test and Calibration...............3-8
Clock Out Test..............................................3-9
Delay Test.................................................3-10
VCO Test and Calibration...................................3-11
LFO Test and Calibration...................................3-12
Distortion Test and Converter Calibration..................3-13
Limiter Test and Calibration...............................3-15
DRC Test and Calibration...................................3-16
Noise Test.................................................3-17
Shock and Critical Listening Test..........................3-18

l Circuit Description...............................................u-1

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.2

Analog Circuitry............................................H-1
Digital Circuitry...........................................H-7

5 Parts Lists...-...................................................5-1

6 Schenaties and Assembly Drauings..................................6-1

7 ECDB-oco.....................................................u....7-1