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Korg Trident Service Manual

Korg Trident
28 pages
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PERFORMING
KEYBOARD
_—————
SERVICE
MANUAL
TRIDENT
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CONTENTS
-
SPECIFICATIONS
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1
STRUCTURAL
DIAGRAM
............
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BLOCK
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DIAGRAM
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RECBOARD
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CONNECTOR
FUNCTION
-
SEMI-FIXED
RESISTORS
DIAGRAM
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18
-
ADJUSTMENT
PROCEDURE
..........
19
SPARTS
SEIS
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KEIO
ELECTRONIC
LABORATORY
CORPORATION
TOKYO/JAPAN

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Korg Trident Specifications

General IconGeneral
TypeSynthesizer
Polyphony8 voices
Keyboard61 keys
EffectsChorus, Ensemble
Year Released1980
Synthesis TypeAnalog Subtractive
LFO1 LFO
Additional SectionsBrass, Strings, Synthesizer
Oscillators3 VCOs per voice
Filter24 dB/oct low-pass
Memory16 patches
OutputsStereo, Headphone

Summary

Specifications

Keyboard and Synthesizer Specifications

Specifications for keyboard and synthesizer sections.

Volume Control and Input/Output Specifications

Specifications for volume controls and audio/control connections.

Power, Dimensions, and Accessories Specifications

Specifications for power, dimensions, weight, and accessories.

Structural Diagram

Block Diagram

Circuit Diagrams

Keyboard Matrix & Assigner Circuits (KLM-298, 299, 300)

Circuit diagrams for key assignment and keyboard matrix functionality.

Programmer Unit Circuit (KLM-292)

Circuit diagram for the programmer control unit.

Synthesizer Voice Board Circuits (KLM-301, 302)

Circuit diagrams for the synthesizer voice generation boards.

Brass, Strings, and Preset Section Circuits (KLM-293, 294, 317)

Circuit diagrams for brass, strings, and preset control sections.

Power Supply and Other Circuits (KLM-297, 343)

Circuit diagrams for power supply and miscellaneous circuits.

PC Board Layouts

Flanger & Programmer Board Layouts (KLM-291, 292)

Physical layouts for the KLM-291 flanger and KLM-292 programmer circuit boards.

Brass & Strings Board Layouts (KLM-293, 294)

Physical layouts for the KLM-293 brass and KLM-294 strings circuit boards.

Noise Reduction & Synthesizer Board Layouts (KLM-343, 301, 302)

Physical layouts for KLM-343 noise reduction and synthesizer boards.

Assignor & Preset Board Layouts (KLM-300, 317)

Physical layouts for KLM-300 assignor and KLM-317 preset circuit boards.

Power Supply Board Layout (KLM-297)

Physical layout for the KLM-297 power supply circuit board.

Connector Functions

Joystick & Mixer Connector Functions

Functions of joystick and mixer connection points.

Synthesizer Output Connector Functions

Functions of synthesizer output connectors.

Brass & Strings Output Connector Functions

Functions of brass and strings output connectors.

Keyboard Control Connector Functions

Functions of keyboard control and assignor connectors.

Effects & Other Connector Functions

Functions of effects, power, and other miscellaneous connectors.

Semi-Fixed Resistors Diagrams

Resistor Layouts for KLM-291 to KLM-294

Diagrams showing semi-fixed resistor locations on KLM boards 291-294.

Resistor Layouts for KLM-297, KLM-300 to KLM-302

Diagrams showing semi-fixed resistor locations on KLM boards 297, 300-302.

Resistor Layouts for KLM-317

Diagrams showing semi-fixed resistor locations on KLM board 317.

Adjustment Procedures

Power Supply & Key Assigner Adjustments

Procedures for adjusting power supply and key assigner circuits.

Programmer & Synthesizer Adjustments

Adjustment steps for programmer and synthesizer sections.

Brass, Strings & Flanger Adjustments

Calibration steps for brass, strings, and flanger circuits.

Signal Generator Adjustments

Calibration steps for signal generator circuits.

Parts List

Resistors and Capacitors

List of resistors, capacitors, and semi-fixed resistors.

Integrated Circuits and Transistors

List of integrated circuits and transistors used in the unit.

Diodes, Switches, and Connectors

List of diodes, switches, connectors, and other components.

Knobs and Miscellaneous Parts

List of knobs, fuses, jacks, and other miscellaneous parts.

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