KORG DSS 1 SERVICE MANUAL

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SERVICE MANUAL

CONTENTS

1. SPECIFICATIONS ................................ 2 9. SYSTEM EXPLANATION ..................... 32
2. ERROR MESSAGES ............................. 3 10. MAIN CIRCUIT EXPLANATION ............. 39
3. MIDI IMPLEMENTATION ....................... 4 11. CHECK AND ADJUSTMENT

4. STRUTURAL DIAGRAM ........................ 9 PROCEDURE ................................... 43
5. CONNECTOR DIAGRAM ...................... 12 12. REFERENCE DATA ............................ 49
6. BLOCK DIAGRAM .............................. 13 13. TROUBLESHOOTING GUIDE ................ 59
7. CIRCUIT DIAGRAM ............................ 14 14. PARTS LIST .................................... 62
8. PC BOARD ..................................... 25

o REG/1

THESE SCHEMATICS WERE RESTORED
8V SVNFO NL AND MADE AVAILABLE

AS FREE DOWNLOAD

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1. SPECIFICATIONS

O KEYBOARD:
O CONTROLLERS:

O CONFIGURATION:

0 SOUND SOURCES:

0 NUMBER OF SOUND SOURCES:

0 EFFECTS:
0 NUMBER OF PROGRAMS:
0 BUILT-IN DISK DRIVE:

0 SUPPLIED ACCESSORIES:
O DIMENSIONS:

0 WEIGHT:

0 OPTIONS:

C~C 61 Keys. Velocity, After Touch

Joystick (X Asix: OSCIVCF FC Bend, +Y Axis: OSC Modulation.
-Y Axis: VCF Modulation), Program Up Jack, Sustain Damper
Jack

8 Voices, 16 Oscillators, (2 Oscillators per Voice), 8 VCF
Modules, 8 VGA Modules

Waveforms Obtained by Sampling, 128 Harmonic Synthesis. or
Drawing" can be edited, assigned to sections of the keyboard
and looped. 112-bit quantization. Sampling Frequencies and
Times: 16KHz, 165, 24KHz. 11s. 32KHz. 85, 48KHz. 5.55 (can be
used together as one sound source). Number of Keyboard Split
Points: Up to 16

Up to 16 in internal wave RAM, Up to 120 per Disk

Digital Delay x2, Equalizer HIGH & LOW (All Programmable)

32 in memory, 128 on disk

Takes 3.5-inch, Double Sided, Double Density (1 MB unformatted)
Floppy Disks, 770K PCM Data Storage Capacity per Disk

Floppy Disks x4, AC Power Cord

1171 (W) x 436(D) x 123 (H) mm

18.5kg

PS-1 PEDAL SWITCH, P32 PEDAL SWITCH, TWGOSO TWIN
CABLE (3m), DS-1 DAMPER SWITCH, KH-1000 DYNAMIC
STEREO HEADPHONES, HC-DSS HARD CASE, MIDI CABLE
(7m/10ml12m), MF-ZDD MICRO FLOPPY DISKS, SOUND
PROGRAM LIBRARY