Korg Trident MK1 User manual

PERFORMING KEYBOARD
SERVICE MANUAL
CONTENTS
1. SPECIFICATIONS. 1
2. STRUCTURAL DIAGRAM . 2
3. BLOCK DIAGRAM. 3
4. CIRCIT DIAGRAM. 4
5. PC BOARD. 11
6. CONNECTOR FUNCTION. 17
7. SEMI-FIXED RESISTORS DIAGRAM ... 18
8. ADJUSTMENT PROCEDURE . 19
9. PARTS LIST.22
KEIO ELECTRONIC LABORATORY CORPORATION
TOKYO/JAPAN

1. SPECIFICATIONS
KEYBOARD.• C~C, 61 Keys, 8 voices
SYNTHESIZER SECTION (*this marked facilities are programmable)
VCO-1*.•Scale (16', 8,4')
• Waveform ( r\ , r\_ , PW. PWM)
• PW/PWM Intensity
• PWM Speed
VCO-2*.• Scale (Off, 16'. 8', 4')
• Waveform ( r\ )
• Detune
VCF* .• Cut-off Frequency
• Resonance
• EG Intensity
• KBD Track (Off, Half. Full)
VCA* .• EG Mode I /'—^~[ )
ENVELOPE GENERATOR.•Attack
• Decay
• Sustain
• Release
VCO-2.• Detune Memory (On/Off)
ENVELOPE GENERATOR.eSolo Release (On/Off)
PROGRAMMER <x16) .• Program Select (1 ~ 8)
• Bank Select (A, B)
• Manual
• Write
• Memory
• Protect (On/Off)
PRESET (x3).•Piano-1
• Piano-2
• Clav
MIXER .•Output (On/Off)
• Volume
BRASS SECTION
SCALE (x2).• 16', 8'
VCF.• Cut-off Frequency
• Resonance
• EG Intensity
ENVELOPE GENERATOR.•Attack
• Decay
• Sustain
• Release
TRIGGER.• Multiple Trigger (On/Off)
• Trigger Select (On/Off)
• Silence Note (2, 4, 6, 8)
MIXER .•Output (On/Off)
• Volume
VOLUME CONTROL .... •Total Volume
• Headphone Volume
POWER SWITCH.•Power (On/Off)
INPUT & OUTPUTS
OUTPUTS.• Mix Outputs x2 (High, Low)
• Separate Outputs x3 (Synthe, Brass, Strings)
• Headphone Output (Stereo)
INPUTS.• Synthe VCF fcM In (-5V ~ +5V)
• Damper ( T_gno )
• Brass VCF fcM In (-5V — +5V)
• Brass Trigger In ( ~i-oun )
• Total Expression (0 ~ +5V)
• Separate Expression x3 (0 ~+5V)
DIMENSIONS.• 1012 (W) x 52 (H) x 524 (D) mm
WEIGHT .*21 kg
ACCESSORIES.•Connection Cord
• Dust Cover
• Foot Switch S-1
POWER CONSUMPTION . . • Voltage (Local Voltage, 50/60Hz)
• Wattage (41W)
STRINGS SECTION
SCALE (x3).•16', 8', 4'
ENVELOPE GENERATOR.• Attack
• Release
EQUALIZER.*High
• Low
EFFECT.• Bowing (On/Off, Level, Tone)
• Vibrato (On/Off, Delay Time, Intensity, Speed)
• Ensemble (On/Off)
FILTER.•KBD Balance
MIXER.• Output (On Off)
• Volume
TOTAL CONTROL SECTION
KEY ASSIGNOR.
KEYBOARD SPLIT.
PITCH CONTROL
VIBRATO.
JOYSTICK
FLANGER
• Assign Mode (1,2)
• Synthe (L, L+H, H)
• Brass (L, L+H, H)
• Strings (L, L+H, H)
• Tune (±100 Cents)
• Delay Vibrato (On/Off)
• Intensity
• Pitch Bend (X-Axis)
• Vibrato Depth/Trill Depth (Y-Axis)
• Intensity
• Speed
• Select (Synthe, Brass, Strings)
• Manual
• Intensity
• Feedback
• Speed
1

2.STRUCTURAL DIAGRAM

3.BL0CK DIAGRAM
3

4.CIRCUIT DIAGRAM
KLM-298 KLM-299 KLM-300

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KLM-301 KLM-302

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