Korg Dss-1 User manual

DIGITAL

SAMPLING

SYNTHESIZER

SERVICE

MANUAL

CONTENTS

1.

SPECIFICATIONS

2.

ERROR

MESSAGES

3.

MIDI

IMPLEMENTATION.

4.

STRUTURAL

DIAGRAM..

5.

CONNECTOR

DIAGRAM.

6.

BLOCK

DIAGRAM

7.

CIRCUIT

DIAGRAM

8.

P.C.

BOARD

..

2

9.

SYSTEM

EXPLANATION

32

..

3

10.

MAIN

CIRCUIT

EXPLANATION

39

..

4

11.

CHECK

AND

ADJUSTMENT

..9

PROCEDURE

43

12

12.

REFERENCE

DATA

49

13

13.

TROUBLESHOOTING

GUIDE

59

14

14.

PARTS

LIST

62

25

<e

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1.

SPECIFICATIONS

•

KEYBOARD:

•

CONTROLLERS:

•

CONFIGURATION:

•

SOUND

SOURCES:

•

NUMBER

OF

SOUND

SOURCES:

•

EFFECTS:

•

NUMBER

OF

PROGRAMS:

•

BUILT-IN

DISK

DRIVE:

•

SUPPLIED

ACCESSORIES:

•

DIMENSIONS:

•

WEIGHT:

•

OPTIONS:

C~C

61

Keys,

Velocity,

After

Touch

Joystick

(X

Asix:

OSC/VCF

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

VCA

Modules

Waveforms

Obtained

by

Sampling,

128

Harmonic

Synthesis,

or

"Drawing"

can be

edited,

assigned

to

sections

of

the

keyboard

and

looped.

12-bit

quantization.

Sampling

Frequencies

and

Times:

16KHz,

16s,

24KHz,

11s,

32KHz,

8s,

48KHz,

5.5s

(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

(1MB

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,

PS-2

PEDAL

SWITCH,

TWC-030

TWIN

CABLE

(3m),

DS-1

DAMPER

SWITCH,

KH-1000

DYNAMIC

STEREO

HEADPHONES,

HC-DSS

HARD

CASE,

MIDI

CABLE

(7m/10m/12m),

MF-2DD

MICRO

FLOPPY

DISKS,

SOUND

PROGRAM

LIBRARY

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2.

ERROR

MESSAGES

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3.

MIDI

IMPLEMENTATION

□DTRANSMITTED

DATA

1-1

CHANNEL

MESSAGES

•

nnnn

=

channel

numbers

0

to

15

•

Okkk

kkkk:

note

number

If

key

transpose

is

used,

then

the

transmitted

note

number

is

the

transpos

ed

value

(regular

note

range

of

36

to

96

minus

up

to

6

or

plus

up

to

5.

•

Oppp

pppp:

program

number

Program

numbers

are

represented

on

the

display

by

system

programs

ac

cording

to

this

chart.

Display

Progran

number

SYSAP0I—

0

SYSA

P02

—

I

SYSAP3I—

30

SYSAP32

—

31

Display

Program

number

SYSB

POI—

32

SYSB

P02-

33

SYSBP3I—

62

SYSB

P32

-

63

Display

Program

number

SYSC

P0I

—

SYSC

P02

—

SYSC

P3I

-

94

SYSCP32

—

95

Display

Program

number

SYSD

P0l-

SYSD

P02—

SYSDP3I

—

126

SYSDP32

—

127

1-2

SYSTEM

EXCLUSIVE

MESSAGES

(1

(DEVICE

ID

(2DSS-1

SYSTEM

EXCLUSIVE

MESSAGES

NOTE!FUNCTION

ID

42H(Mode

Data)

45H(Multi

Sound

List)

44H(Multi

Sound

Parameter

Dump)

43H(PCM

Data

Dump)

46H

(Program

Name

List)

40H

(Program

Parameter

Dump)

23H(Data

Load

Completed)

24H(Data

Load

Error)

21H

(Write

Completed)

22H

(Write

Error)

[URECOGNIZED

RECEIVE

DATA

2-1

CHANNEL

MESSAGES

•

Mode

messages

are

received

only

on

the

specified

channel

even

if

OMNI

is

on.

•

Okkk

kkkk

=

0

to

127:

note

number

•

Oppp

pppp

=

O

to

127:

program

number

The

MIDI

mode

function

2

program

change

mode

settings

affect

received

pro

gram

numbers

as

shown

in

this

chart.

2-3

SYSTEM

EXCLUSIVE

MESSAGES

(DDEVICE

ID

REQUEST

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NOTE:FUNCTION

ID

12H

(Mode

Request)

13H

(Ray

Mode

Request)

16H

(Mufti

Sound

List

Request)

45H(Mutti

Sound

List)

15H(

Mutt.

Sound

Parameter

Request)

44H(Mutti

Sound

Parameter

Dump)

I4H(PCM

Data

Request)

43H(PCM

Data

Dump)

17H

(Program

Name

List

Request)

I

OH

(Program

Parameter

Request)

40H

(Program

Parameter

Dump)

4IH(Program

Parameter

Change)-

IIH(Wrrte

Request)

[3]DSS-1

SYSTEM

EXCLUSIVE

FORMAT

1.

MODE

REQUEST

(FUNCTION

10

=

12.

RECEIVE

ONLY)

6.

MULTISOUND

PARAMETER

REQUEST

(FUNCTION

10

=

15,

RECEIVE

ONLY)

7.

MULTISOUNO

PARAMETER

OUMP

(FUNCTION

10

=

44,

SAME

FOR TRANSMIT

AND

RECEIVE)

NOTE

KMODE

DATA

00

(PLAY

MODE)

01

(SAMPLE

MODE^

02(EDIT

SAMPLE

MODE)

03

(CREATE

WAVE

FORM

MODE)

04(MULTI

SOUND

MODE)

05

(MIDI

MODE)

06

(SYSTEM

MODE)

07

(DISK

UTILITY

MODE)

08

(PROGRAM

PARAMETER

MODE)

3.

PLAY

MODE

REQUEST

(FUNCTION

ID

=

13,

RECEIVE

ONLY)

NOTE

1:

MAX

INTERVAL

Sets

maximum

value

obtained

with

following

formula.

(The

lower

7

bits

of

the

twos

complement.)

(Top

key)

-

(Org

key)

•«-

f

-

12

(16kHz)

I

-

7

(24kHz)

0

(32kHz)

5

(48kHz)

NOTE

2:

SOUND

PARAMETER

4.

MULTISOUNO

UST

REQUEST

(FUNCTION

ID

=

16,

RECEIVE

ONLY)

8.

PCM

DATA

REQUEST

(FUNCTION

ID

=

14,

RECEIVE

ONLY)

9.

PCM

DATA

DUMP

(FUNCTION

ID

=

43,

SAME

FOR

TRANSMIT

AND

RECEIVE)

NOTE

i:

MULTI

SOUND

DATA

FORMAT

dd-

ee-

•dd

(8

bytes)

(6

bytes)

DESCRIPTION

Mutti

Sound

Name

Multi

Sound

Length

(seeg-W))

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10.

PROGRAM

NAME

LIST

REQUEST

(FUNCTION

10

=

17,

RECEIVE

ONLY)

11.

PROGRAM

NAME

UST

(FUNCTION

ID

=

46,

TRANSMIT

ONLY)

12.

PROGRAM

PARAMETER

REQUEST

(FUNCTION

ID

=

10,

RECEIVE

ONLY)

13.

PROGRAM

PARAMETER

DUMP

(FUNCTION

ID

=

40,

TRANSMIT,

RECEIVE)

•

Program

Name

not

sent.

14.

PROGRAM

PARAMETER

CHANGE

(FUNCTION

ID

=

41,

RECEIVE

ONLY)

•

2

bytes

for

params

46,

52.

15.

WRITE

REQUEST

(FUNCTION

ID

=

11,

RECEIVE

ONLY)

16.

WRITE

COMPLETED

(FUNCTION

ID

=

21,

SEND

ONLY)

17.

WRITE

ERROR

(FUNCTION

ID

=

22,

SEND

ONLY)

18.

DATA

LOAD

COMPLETED

(FUNCTION

ID

=

23,

SEND

ONLY)

19.

DATA

LOAD

ERROR

(FUNCTION

ID

=

24,

SEND

ONLY)

[4]DATA

FORMAT

REFERENCE

(DADDRESS.

LENGTH

DATA

FORMAT(6

Bytes)

I

st

Byte

2nd

3rd

4th

5th

6th

bO

=

LSB

bl8=MSB

0

-261885

(address)

J

-261886

(length)

-

:

Not

Used

(2)PCM

DATA

FORMAT

(2

Bytes)

I

st

Byte

2nd

Byte

b0

=

LSB

bll=MSB

0

(-

max)

-

2048

(0)

-

4095

(+

max)

-

•

Not

Used

(3)CHECK

SUM

(I

Byte)

Lower

7

bits

of

sum

of

data

after

function

ID

to

before

check

sum.

(4)NAME

FORMAT

(8

bytes)

1st

byte

=

1st

character;

8th

byte

=

8th

character.

All

characters

must

be

7-bit

ASCII

in

the

range

of

20H

to

7FH,

excluding

22H,

2AH,

and

3FH.

(5)PCM

DATA

MEMORY

MAP

Absolute

Address

=

0

26>SS5

Multi

Sound

Multi

Sound

|

Multi

Sound

!

Multi

Sound

I

|

Length

j

Length

[

r

v

i

n=Numb€'

of

Mu&

Sounds

Sound

I

Sound

2

I

Loop

|

l«

Length

1

Sound

Length

|

Sound

Word

Length

m=Numbe'

of

Sound

Start

Address

I

.

Loop

Start

Address

_

|

•

The

multisound

parameter

SOUND

START

address

and

LOOP

START

ad

dress

values are

different

from

those

displayed

by

the

DSS-1.

They

are

rather

the

relative

address

values

from

the

starting

address.

•

Absolute

addresses

are

used

in

the

PCM

data

dump.

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(6DSS-1

PROGRAM

PARAMETER

MAP

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NOTE:

1.

Parameter

No.:

Parameter

number

used

for

program

parameter

change.

Offset:

Byte

offset

within

program

parameter

dump.

Numbers

within

parentheses

are

parameter

numbers

used

when

editing

within

the

DSS-1.

2.

Must

be

set

for

both

oscillators

so

that

OSC1

+

OSC2

=

100.

3.

DDL

TIME

Format

LOW

HIGH

4.

The

MAX

BEND

RANGE

value

is

limited

to

the

range

of

0

to

12,

derived

by

subtracting

from

12

the

larger

MAX

INTERVAL

value

of

the

multisounds

assigned

to

OSC1

and

OSC2.

This

must

be

reset

if

there

is

a

change

in

the

multisound

MAX

INTERVAL.

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PANEL

I

KLM784

CN-32A

CN-33A

QDL-ISW

Qt

CN21R

CN34A

CN3SA

OOLISIG

DDL11SIG

0CN-128

CPU

I

CNTRL

KLM-780

CPU!

KLM782TG

CN,

1

CN,

2

CN,

3

CN,

4

CN,

5

CN,

6

CN,

7

CN,

8

CN,

9

CN,

10

CN,

11

KLM-1036

KLM-786

KLM-780

KLM-781

KLM-780

POWER

SW

AC

SOCKET

P.T

KLM-780

LCD

BOARD

KLM-785

KLM-780

FDD

KLM-782

CN,

12

CN,

13

CN,

14

CN,

15

CN,

16

CN,

17

CN,

18

CN,

19

CN,

20

CN,

21

CN,

22

KLM-782

KLM-780

KLM-786

KLM-788

KLM-781

KLM-783

KLM-786

KLM-780

KLMt782

KLM-782

KLM-0161

KLM-1061

KLM-786

KLM-783

KLM-784

KLM-781

CN,

23

CN,

24

CN,

25

CN,

26

CN,

27

CN.28

CN,

29

CN,

30

CN,

31

CN,

32

CN,

33

KLM-781

KLM-784

KBD

(BLU)

KBD

(OR)

KBD

(BL)

KLM-788

JOYSTIC

KLM-784

KLM-1050

KLM-1049

KLM-1050

CN,

34

CN,

35

CN,

36

CN,

37

CN,

38

CN,

39

CN,

40

CN,

41

CN,

42

CN,

43

CN,

44

KLM-784

KLM-786

KLM-788

KLM-784

KLM-785

KLM-784

KLM-785

KLM-786

KLM-1050

KLM-784

KLM-785

KLM-1012

KLM-1013

KLM-1012

FDD

KLM-1014

CN,

45

CN,

46

CN.47

CN,

48

CN,

49

CN,

50

CN,

51

CN,

52

CN,

53

KLM-1049

KLM-1013

KLM-782

KLM-1061

KBD

LCD

KLM-1016

KLM-783

KLM-782

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TUNE

INPUT

SIG

LEVEL

DATA

ENTRY

A

DATA

ENTRY

B

L

■*-

JOY

STICK

X

CPU

I

8085

CPU

2

63B03X

AUOIO

LINE

CONTROL

LINE

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KLM-780

RESET

O-

!5^3?

BANKO

BANK

I

IC28,

LS139

NC

—

NC-S|

[a]

IC29

LS04

NC

U2-NC

From

KLM-786

POWER

SUPLLY

NC-2{>>1.NC

ncILOJ°.nc

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To

FDD

IC14

8255-2

IC29

LSO4

♦—068-9

15

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7.

CIRCUIT

DIAGRAM

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KUVI-782

16

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I

n

g

KLM-783

(OLD)

PS

KLM-786

NJM

4558

IC

11

NJM4558

T0S-C25O0A

R4

2

8O

CPU-2

TMI

mKLM-r81CV

fift

.

_208-B

2.74K.

JPA

r

RrOs

~

"i

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I

°

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Korg DSS-1 User manual

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