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Norlin 204D
Service manual
Moog Norlin 204D Service Manual
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Contents
Table of Contents
Troubleshooting
Table of Contents
Table of Contents
Modulation MIX Amplifier
Noise Generator
Power Supply
Voltage Controlled Filter
Voltage Controlled Amplifier
Contour Generators
And Above)
External Preamplifier and Overload Lamp Driver
Old Minimoog Oscillator Board
Volt Reference Supply
Octave Switches
Oscillator One
Oscillator Two
Oscillator Three
Keyboard Circuit
Troubleshooting
Overall Quick Reference Troubleshooting
Oscillator Printed Circuit Board No. 1 Troubleshooting
Disassembly Procedures
Disassembly
Adjustment and Tuning
Printed Circuit Board Replacement Adjustments
Voltage Adjustments
Tuning Oscillators (Serial Number 10175 and Above)
Tuning the Oscillator (Serial Numbers 8Elow 10175)
Detailed Adjustment Procedures
Power Supply Adjustment
A-440 Adjustment
Signal Flow
Main Output
Phone Output
Low Main Output
Emphasis Calibration
Filter Cutoff Adjustment
Filter Scale
Keyboard
External Filter Control
Amount of Contour
Filter Control
19 Amount of Modulation
Filter Contour
Double Triggering
Loudness Contour
External Loudness Control Unit
Noise
Contour Generator Balance
External Signal Input
Audio Noise Generator
Glide
Keyboard Pitch Contacts
Oscillator Adjustments for Board
Oscillator Range
Oscillator 1 Tuning
Oscillator 2 and 3 Tracking
34 Octave Adjust
Range of Tune. Pitch and Frequency Adjust Controls
Oscillator 3 Wide Range
Modulation of Oscillator
External Control of Oscillator
Keyboard Maintenance
Cleaning
Replacement Parts List
Ordering
Front Panel Control Diagram
Modifications
Service Bulletins. 8
Oscillator Board Assembly . 8
Contour Generator Assembly
Power Supply Assembly
Filter Assem8Ly
Keyboard Circuit Printed Circuit Board no
Minimoog Oscillator Tuning
Oscillator Board no 1. Power Supply Connection and Octave Buffer
Connector Modification Diagram
Left Hand Controller
Quick Links
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Table of Contents
Troubleshooting
TROUBLESHOOTING
21
OSCILLATOR PRINTED CIRCUIT BOARD NO. 1 TROUBLESHOOTING
24
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