Korg EX-8000 User manual

PROGRAMMABLE
POLYPHONIC SYNTHE MODULE
EX-8000
SERVICE MANUAL
CONTENTS
1. SPECIFICATIONS 1
2. MIDI IMPLEMENTATION 2
3. STRUCTURAL DIAGRAM 11
4. BLOCK DIAGRAM . 14
5. CIRCUIT DIAGRAM 15
6. P.C. BOARD 24
7. CIRCUIT DESCRIPTIONS o ..... 32
8. ADJUSTMENT PROCEDURES ■. « 40
9. PARTS LIST . 42
KORG INC.
TOKYO/JAPAN
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1. SPECIFICATIONS
• Voice
• OSC1
• OSC2
• Auto bend
• Noise
• VCF
• VCFEG
• VCAEG
• MG
• Bend
• Portamento
• Digital delay
8 voice
Octave (16', 8', 4'), Waveform (1 ~
16), Level adjustment
Octave (16', 8', 4'), Waveform (1 ~
16), Interval (Unison, Minor 3rd,
Major 3rd, Perfect 4th, Perfect 5th),
Detune (25 cents MAX), Level adjust
ment
Select (OFF, OSC1, OSC2, Both),
Mode (UP/DOWN), Time, Intensity
Level adjustment (White noise)
Cutoff frequency, Resonance,
Keyboard track (0,1/4,1/2,1), EG
polarity (^ #\^j )r EG intensity
Attack time, Decay time, Breakpoint
level, Slope time. Sustain level, Release
time, Velocity sensitivity
Attack time, Decay time, Breakpoint
level, Slope time, Sustain level, Release
time, Velocity sensitivity
Waveform ( A, K , A , JL ),
Frequency, Delay time, OSC intensity,
VCF intensity
Max. OSC bend (±1 octave), VCF
bend ON/OFF
Portamento time
Time (approx. 4 ^ 512ms), Factor
(x0.5 ~ 1.0), Feedback level,
Modulation frequency (max. 10Hz),
Modulation intensity. Effect level
• After touch OSC MG, VCF, VCA
• Key assign POLY 1, POLY 2, UNISON 1,
mode UNISON 2
• MIDI Receive channel (ch 1 ~ 16),
ENABLE (NOTE DATA/ALL), OMNI
(ON/OFF), Arpeggio clock, Key
window bottom, Key window top,
MIDI data transfer
• Volume
• Tune
• Programmer
• Display
• Tape interface
• Input jacks
• Output jacks
• Tape switch
• Write switch
• MIDI jacks
• Power
consumption
• Power supply
• Weight
• Dimensions
• Accessories
(0 ~ max.)
±50 cents, tone switch
PROGRAM/PARAMETER switches.
Number select buttons (1^8),
WRITE switch, BANK HOLD switch
Program number. Parameter number,
Parameter value
Save, Load, Verify, Cancel
FROM TAPE (HIGH/LOW)
Output (R, L/MONO, HIGH/LOW),
PHONES, TO TAPE
ENABLE/DISABLE
ENABLE/DISABLE
IN, OUT, THRU
31W
Local voltage
7.5kg
430(W) x 412.5(D) x 90(H)mm
AC power cord, Connection cord.
Data cassette, Program card, Rack
Mount Adapter
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2. MIDI IMPLEMENTATION
1. TRANSMITTED DATA
i. Channel ijmsages
(a) PROGRAM CHANGE
STATUS
1100 nnnn
SECOND
0 p p P P P P P
THIRD
DESCRIPTION
PROGRAM CHANGE
ppppppp - 0 - 63
* nnnn = 0 ~ 15: channel number specified by parameter 84.
NOTE: 1. PROGRAM NUMBER (Oppppppp) correspond to DISPLAY NUMBER on the PANEL which will be the
following:
DISPLAY NUMBER
#11
#12.
PROGRAM NUMBER
0
1
#87-
#88-
63
2. System exclusive messages
(a) DEVICE ID
1
0
0
0
1
1
1
0
0
1
1
0
1
0
1
BYTE
1
0
1
0
1
0
0
n
0
0
0
0
n
0
1
0
1
n
1
1
0
0
n
1
1
DESCRIPTION
EXCLUSIVE STATUS
KORG ID42H
FORMAT ID 3»H (• - ch)
EX-8000 |D 03H
EOX
* nnnn = 0 ~ 15: channel number (channel provisions
within System Exclusive Messages) specified by para
meter 84.
NOTE: 2. If DEVICE ID REQUEST, DEVICE ID message
will be sent.
(b)
1
0
0
1
DEVICE ID
1
1
1
1
1
0
0
1
REQUEST
BYTE
1
0
0
1
0
0
n
0
0
0
n
1
0
1
n
1
0
0
n
1
DESCRIPTION
EXCLUSIVE STATUS
KORG ID42H
FORMAT !D4*H(««ch)
(NOTE 6)
EOX
* nnnn = 0^15: channel number (channel provisions
within System Exclusive Messages) specified by para
meter 84.
<c)
1
0
0
0
0
0
0
1
DATA DUMP
1
1
0
0
1
V
V
1
1
0
1
0
0
V
v
1
BYTE
1
0
1
0
0
V
V
1
0
0
n
0
0
V
V
0
0
0
n
0
0
V
V
1
0
1
n
1
0
V
V
1
0
0
n
1
0
V
V
1
DESCRIPTION
EXCLUSIVE STATUS
KORG ID42H
FORMAT ID3*H (♦ - ch)
EX-8000 ID03H
DATA DUMP 40H
DATA 51 BYTES
(See EX-8000 BIT MAP)
EOX
* nnnn -0^15: channel number (channel provision
within System Exclusive Messages) specified by para
meter 84.
NOTE: 3. If DATA DUMP REQUEST is received,
DATA DUMP will be sent.
-2-
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(d)
1
0
0
0
0
1
DATA
1
1
0
0
0
1
1
1
0
0
1
DUMP
BYTE
1
6
1
0
1
1
0
0
n
0
0
0
REQUEST
0
0
n
0
0
1
0
1
n
1
0
1
0
0
n
1
0
1
DESCRIPTION
EXCLUSIVE STATUS
KORG ID42H
FORMAT ID 3»H <•«<*)
(NOTE 6)
EX-8000 ID03H
DATA SAVE REQUEST 10H
EOX
nnnn = 0 ~ 15: channel number (channel provisions
within System Exclusive Messages) specified by para
meter 84.
(e)
1
0
0
0
0
1
WRITE COMPLETED
1
1
0
0
0
1
1
0
1
1
0
1
BYTE
1
0
1
0
0
1
0
0
n
0
0
0
0
0
n
0
0
1
0
1
n
1
0
1
0
0
n
1
1
1
DESCRIPTION
EXCLUSIVE STATUS
KORG ID42H
FORMAT ID3«H(««ch)
(NOTE 6)
EX-8000 ID03H
WRITE COMPLETED 21H
EOX
* nnnn = 0^15: channel number (channel provisions
within System Exclusive Messages) specified by para
meter 84.
NOTE: 4. If WRITE REQUEST is received and program
write is completed, a WRITE COMPLETED
message will be sent.
(g)
1
0
0
0
0
0
1
WRITE REQUEST
1
1
0
0
0
1
1
0
1
0
0
1
BYTE
i
0
1
0
1
1
0
0
n
0
0
0
0
0
n
0
0
1
0
1
r\
1
0
1
0
0
n
1
1
1
DESCRIPTION
EXCLUSIVE STATUS
KORG ID42H
FORMAT ID3«H.(*-ch)
(NOTE 6)
EX-8000 ID03H
WRITE REQUEST 11H
PROGRAM NUMBER
EOX
* nnnn = 0 ~ 15: channel number (channel provisions
within System Exclusive Messages) specified by para
meter 84.
NOTE: 6. When a Format ID is received, channel
numbers set at parameter No. 84 and
messages with abnormal numbers are
ignored. (Not related to OMNI mode.)
(f) WRITER ERROR
1
0
0
0
0
1
1
1
0
0
0
1
1
0
1
0
1
1
BYTE
1
0
1
0
0
1
0
0
n
0
0
0
0
0
n
0
0
1
0
1
n
1
1
1
0
0
n
1
0
1
DESCRIPTION
EXCLUSIVE STATUS
KORG ID42H
FORMAT ID3«HC«ch)
(NOTE 6)
EX-8000 ID 03H
WRITE ERROR 22H
EOX
* nnnn = 0 ~ 15: channel number (channel provisions
within System Exclusive Messages) specified by para
meter 84.
NOTE: 5. If WRITE REQUEST is received and program
write is not completed (if WRITE DISABLE is
chosen on the rear panel), a WRITE ERROR
message will be sent. - •
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2. RECOGNIZED RECEIVE DATA
1. Channel messages
STATUS
1000 nnnn
1001 nnnn
1001 nnnn
1011 nnnn
1011 nnnn
1011 nnnn
1011 nnnn
1011 nnnn
10 11 nnnn
1011 nnnn
1011 nnnn
1011 nnnn
1011 nnnn
1011 nnnn
1011 nnnn
1100
nnnn
1101 nnnn
1110 nnnn
SECOND
0000 0001
0000 0010
000 0 0 111
0 10 0 0 0 0 0
010 0 0000
0 10 0 0 0 0 1
0 10 0 0 0 0 1
0 111 10 11
0 111 110 0
0 111 110 1
0 111 1110
0 111 1111
Oppp pppp
Ovvv vvvx
Oxxx xxxx
THIRD
Oxxx xxxx
0 0 0 0 0 0 0 0
Ovvv vvxx
0000 0000
0 111 1111
0000 0000
0 111 1111
0000 0000
0000 0000
0000 00 00
0 0 0 0 0 0 0 0
o>»> ....
DESCRIPTION
NOTE OFF (NOTED
velocity will be ignored.
NOTE ON (NOTED
vwww - 1 - 127 <15 STEPS)
NOTE OFF (NOTED
OSC MODULATION
(5 BITS RESOLUTION)
VCF MODULATION
(5 BITS RESOLUTION)
VOLUME
(7 BITS RESOLUTION)
DAMPER PEDAL OFF
DAMPER PEDAL ON
PORTAMENTO OFF
PORTAMENTO ON
ALL NOTES OFF
OMNI MODE OFF
(ALL NOTES OFF)
OMNI MODE ON
(ALL NOTES OFF)
4ALL NOTES OFF)
4ALL NOTES OFF)
PROGRAM CHANGE (NOTE 2)
AFTER TOUCH
(6 BITS RESOLUTION)
PITCH BENDER CHANGE
LSB will be ignored.
MSB will be recognized,
(bbbbbbb-64: CENTER)
♦ nnnn = 0~15:
Channel number specified by parameter 84. When the mode is OMNI ON, all the data will be received. When the mode is
OMNI OFF, only data of the channel designated by the parameter will be received. As to MODE MESSAGE, however,
designated channel data only will be received even if the mode is OMNI ON.
NOTES: 1. NOTE NUMBER (Okkkkkkk) =24 *~ 108. If data outside this range is received, the data will be transposed to the
same note on the nearest octave. If keywindow parameter 87 and 88 are specified, the data will be charged
accordingly.
2. PROGRAM NUMBER (Oppppppp) ■ 0 ~ 63. If the data is larger than 63, it will be recognized as a number that
has 64 subtracted from it.
2. System exclusive messages
4a) DEV1CEDID
<b) DEVICE ID REQUEST
(cj DATA DUMP
<d) DATA DUMP REQUEST
The above system exclusive messages are the same as Transmitted Data. Refer to page 2.
(e) WRITE COMPLETED
<f) WRITE ERROR
(g) WRITE REQUEST
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