Korg DSS-1 Manuale utente
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
I
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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5
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