Roland Alpha JUNO-1 User manual

^Roland
WEM PROGRAMMABLE POLYPHONIC SYNTHESIZER
JUNO-1
Owner's Manual
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The aJUNO-1 is 49 key, 6voice polyphonic,
fully programmable synthesizer.
The Liquid Cr/sial Display and the aDial serve
to make the editing operation quicker and more
accurate.
The Tone Modify Function of the aJUNO
/c \/ni itn oriit rhw tnno rntnr oacil\/ ti-i i/ni rr
•The Tone Modify Function of the aJUNO
allows you to edit the tone color easily to your
taste.
•Provided with MIDI Connectors, the aJUNO
can be set up with other MIDI devices.
•Dynamics or Afterrouch effect cannot be
obtained by playing the aJUNO-1, but using a
foot control or relevant MIDI messages, those
effects can be available.
Buchflinigung d« Herstellers /Importeurs
HOUND POLYPHONIC SYNTHESIZER JU-1
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/imisbl, Vfg 1046 /1984
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Roland Corporaiion Osaka /Japan
CONTEMTS
EPANEL DESCRIPTION 3
[|j CONNECTION 5
[3] OPERATION 6
1. Power Up 6
2. Tone Color Selection 7
3. Performance Control Functions 8
a. Pitch Bender/Modulation 8
b. Portamento 8
c. Octave Transpose 9
d. Chord Memory 5
e. Key Transpose 11
f. Hold PedalJack 12
g. Pedal Switch Jack 12
h. Foot Control Jack 12
4. Tone Modify 13
5. Editing Performance Control
Function 14
a. How to edit the Performance
Control Functions 14
b. Writing the Performance Control
Functions 16
6. Edit 17
7. Tone color parameters 18
a. Synthesizer Structure 18
b. Parameters 19
8. Writing aTone Color 29
9. Naming the Tone Colors 30
10. MIDI 31
a. Changing MIDI Funaion Data 32
b. Writing MIDI Function Data 33
c. aJUNO's Sound Range receivable
and transmissible wiTh MIDI 34
d. Psdal Switch and Foot Control 34
e. Program Change Messages 35
11. Data Transfer :36
a. Tape Interface 36
b. Data Transfer with MIDI 40
[4j APPENDIX 42
1. Parameter Table 42
2. Error Message Table 45
3. Memo 46
[51 SPECIFICATIONS 47
Rea^ feacfc th& separate yalume; "Minr', faefbre reading: this owner's manual-
Copyright S1985 by ROLAND CORPORATION
All righis reserved. No pen of this publicaiion may be reproduced in
any form without the wrinen permission of ROLAND CORPORATION,

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21 Connection
Roland ©o©
Refer to page 31 "MIDI".
Usually, this should be set to the ON position.
Refer to page 36 "Data
Transfer."
EDO O
Expression
Pedal EV-5
(Optionai)
Pedal Switch
DP-2
(Optional)
Stereo
f4eadphones
RH-ia
(Optional)
Radio and television interference
"Warning -This equipment has been verified to comply with the limits for aClass Bcomputing device,
pursuant to Subpart J, of Part 15, of FCC rules. Operation with non-certified or non-verified equipment
is likely to result in interference to radio and TV reception."
The equipment described in this manual generaias and
uses radio-frequency energy, if it is not instailed and used
properfy, that is, in strict accordance with our instructions,
it may cause interference with radio ahd television recep-
tion.
This equipment has been tested and found to comply with
the limits for aClass Bcomputing device in accordance
with the specifications in Subpart J, of Part 15, of FCC
Ruies, These rules are designed to provide reasonable pro-
tection against such an interference in aresidential instafla-
tion.
However, there is no guarantee that the interference will
not occur in aparticular installation, if this equipment does
cause interference to radio or television reception, which
can be determined by turning the equipment on and off,
the user is encouraged to try to correct the interference
by the following measure:
•Disconnect other devices and their input/output cables
one at time. If the interference stops, it is caused by
either the other device or its i/0 cabfe.
These devices usually require flofand designated shiefded
I/O cables. For Roland devices, you can obtain the proper
shielded cable from your dealer. For non Roland devices,
contact the manufacturer or dealer for assistance.
If your equipment does cause interference to radio or
television reception, you can try to correct the interference
by using one or mare of The following measures:
•Turn the TV or radio antenna until the interference stops,
•Move the equipment to one side or the other of the TV
or radio,
•Move the equipment father away from the TV or radio,
•Plug the equipment into an outlet that is on adifferent
circuit than the TV or radio. (That is, make certain the
equipment and the radio or television set are on circuits
controlled by different circuit brealcers or fuses.)
•Consider installing arooftop television antenna with
coaxial cable lead-in between the antenna and TV.
if necessary, you should consult your dealer or an ex-
perienced radio/teievision technician for additional sugges-
tions. You may find helpful the following booklet prepared
by the Federal Communications Commission:
"How to
Problems"
Identify and Resolve Radio-TV Interference
This booklet is avilable from the U.S. Government Printing
Offtce, Washington. D.C, 20402, Stock No. 004-000-
00345-4.

[3] OPERATION
1. Power Up
®Make sure that the Memory Protect
Switch ®on the rear panel is set to the
ON position.
d) Turn the Power Switch ®on. The Display Window ®will respond with:
1
This is shown for afew seconds
N
OFF
Then the Display changes
i
Tone Name
Music Rest

2. Tone Color Selection
Any of the 128 different tone colors can be called
by using the Group Selector Button ®, Bank
Selector Button ®and the Number Selector But-
ton®.
Bank Selector Buttons Preset
(ROM)
®Group Selector Buttons ®Number Selector Buttons
The Display ®will show the tone color currently
selected;
Group Bank Number Tone Name
®By pressing either of the Group Slector
Buttons 0, select Preset or Memory
Group.
PPreset Group
The tone colors in this group can be modified, but
the modified patch cannot be written into memory.
M. Memory Group
The tone colors in this group can be modified and
even rewritten.
—Gnoup
—
PRESET MEMORY
Number
Bani(""\ i235 6 7
2S
3\~
Memory
(RAM)
7
B
:Preset: Bank 5, Number 6
^; Memory: Bank2, Numbers
(D Select the Bank (1 to 8) by pressing the
relevant Bank Selector Button ©.
(D Select the Number (1 to 8) by pressing the
relevant Number Selector Button ©.
Now, by using the Volume Knob©, adjust the
volume of the sound.
The above procedures (T) to (D can be done in
any order you like.

3. Performance Control Functions
a. Pitch Bender/Modulation
By bending the Pitch Bender/Modulation Lever®,
guitar's bending like effect can be obtained. At its
center position, this has no effect on the sound,
while the left and right extremes of movement
achieve the same amount of the pitch bend effect.
Also, by pushing the same lever fonward, vibrato
effect is obtained.
MODULATION
PITCH BENDER
*The range of each tone color's Pitch Bender
effect can be changed. If the tone color is in the
Preset Group, see page 14 "Editing the Perfor-
mance Control Functions", and if it is the one In
the Memory Group, see page 17 "6. Edit".
*The depth of the Modulation can be changed as
shown on page 14 "Editing the Performance
Control Functions".
b. Portamento
Portamento effect is aslide from one pitch to
another. This may be effectively used for the per-
formance with the Chord Memory function.
<OPERATION>
To turn Portamento on: To turn Portamento off:
CD
Push the Portamento Button O-
The indicator lights up.
Push the Portamento Button Q
again.
The indicator goes out.
*The time needed for asound to move from a
pitch to another (Portamento time) can be
changed as shown on page 14 "Editing the Per-
formance Control Functions".

c. Octave Transpose
The entire keyboard can be transposed one octave
down.
<OPERATION >
To set Octave Down
Transposition
DOWN
Push the Down Button of the
Octave Transpose Buttons 0.
The indicator lights up.
To return to Normal
Push the Normal Button of the
Octave Transpose Buttons ©.
The indicator lights up.
d. Chord Memory
Chord data can be recorded and later played with
one finger.
Example ^
PC4 El G4
Octave Transpose: Normal
Key Transpose;
<> H4A
^
•When C4 key is played, the actual chord you hear is exactly in the same pitch
as the recorded one.
r^^
<OPERATION>
To set to the Chord Memory mode
Push the Chord Memory Sutton
The indicator lights up.
To return to the Normal mode
CD
Push the Chord Memory Button i
again.
The indicator goes out.

How to record Chord Data used for Chord Memory Function
When achord data is recorded into the aJUNO
with the Memory Protect Switch set to the ON
position, it is erased by power off. If you wish to
retain the recorded chord data even after power
off, you should record it with the Memory Protect
Switch ®set to the OFF position.
<OPERAT!ON>
®Set the Memory Protect Switch as shown
below.
Memory Protect Switch ®:ON —
>
Erased whenthe power is off.
CD Play the chord you wish to -record.
When all the keys are released, the chord data is
recorded, and the Display ©will respond with:
When the Memory Protect
Switch is set to ON.
Memory Protect Switch ®:OFF —
*
Retained even after the power is off.
When the Memory Protect
Switch is set to OFF.
@Press the Write Button ®while holding
the Chord Memory Button down.
The Display ©will respond with:
®If necessary, return the Memory Protect
Switch to the ON position.
*While achord data Is being recorded, the Octave
Transpose or Key Transpose HinctJon does not
work, therefore, the middle Ckey ahways works
as C4 key.
*When the recorded chord is being played, the
Octave Transpose and Key Transpose functions
work. When Octave Transpose is normal and
the Key Transpose is 0, playing the C4 key will
faithfully recall the recorded chord.
*By recording the C4 key, the aJUNO can be
played as amonophonic keyboard.
*If the keyboard is being played extremely fast
or too many NOTE ON messages are continu-
ously sent into the MIDI IN, the chords may not
properly sound.
10

e. Key Transpose
The keyboard can be transposed to .any key you
like within ±an octave (-12 to -M2 value). There-
fore, you can play music in various keys without
using different keys.
*This Key Transpose operation cannot be done
unless the Display (^ is showing atone name
and no key is played on the keyboard.
How to Transpose
1. Using the aDial O
®Push the Key Transpose Button ©
2. Using an appropriate key
®Push the Key Transpose Button ©,
The value {j/| )shown in the Display repre-
sents how many semi-tones (keys) are currently
transposed.
Example T__
(2) While holding the Key Transpose Button
@down, rotate the aDial to set the
desired value. (Refer to the picture shown
below.)
The Display ©shows the corresponding value,
and if it is other than 0, the indicator lights up.
The value (j.;i )shown in the Display repre-
sents how many semi-tones (keys) are currently
transposed.
Example T
CD While holding the key Transpose Button
Odown, push the key to which you wish
to transpose.
The Display (D shows the corresponding value,
and if It is other than 0, the indicator lights up.
11

OH OFf ON LOAD
EXT CONTROL
r'
o© © © © ©
f. Hold Pedal Jack
The aJUNO features the Hold effect that can
retain the sound even after the key is released.
Using the optional Pedal Switch DP-2, the Hold
effect can be turned on or off.
g. Pedal Switch Jack
Using the optional Pedal Switch DP-2, the Ixinction
selected at "Editing Performance Control Func-
tions" on page 14 can be controlled.
*Program Shift function is set at the factory. Pro-
gram Shift is the Unction of calling tone colors 1
to 8sequencially.
When "M-13" is initially set, the Tone Number will
change as shown below.
r-i~-i3
id)
ri~i4
1®
M~i5
i®
M~ib
1®
M~~17
i®
M-18
i®
M~il
i®
M~12
Expression Pedal
EV-5
(Optional)
Pedal Switches
DP-2
(Optional)
^
h. Foot Control Jack
By using the optional Expression Pedal EV-5, the
function selected at "Editing Performance Control
Functions" on page 14 can be controlled.
12

4. Tone Modify
TONE MODIFY
Wi
Several parameters of atone color can be simul-
taneously changed with asimple operation. There
are four modes for the Tone Modifv-
Mode
Modulation Rate
Modulation Depth
Brilliance
Envelope Time
Tone Modifty
Mode Button®
^^^Qfflj
ffiSSES
^^^^^s
Function
This mode changes the rate of the vibrato, growl or chorus effect.
This mode changes the depth ofthe vibrato or growl effect.
This mode changesthe brilliance of the sound.
This mode changes the time needed for atone color to change
from the momentthe key is played.
<OPERATION>
®Call the tone color you wish to edit.
(2) Select one of the four modes by pushing
the corresponding Tone Modify Mode
Button <|).
The Display will respond as shown right:
CD Using the aDial O, modify the tone color
to your taste.
Rotating the aDial will change the Display ©as
shown below.
Modulation Rate T
Modulation Depth
Brilliance T
Envelope Time
Rotating it counterclockwise
-* aDial O
—
Rotating it clockwise
'%"-.."":." •^.<'r- <:t: ._!_. MO ^K»>
t
Original Tone Color
*The edited tone color will be erased by selecting
adifferent tone color. To retain the edited patch,
take an appropriate writing procedure. (See
page 29.)
This Tone Modify operation may have no effect
on some tone colors. For instance, the tone
color without vibrato or growl effect will not
change at ail even by changing the depth or rate
of the Modulation effect.
13

5. Editing Performance Control Functions
Using the Tune/Function Button 0, you can
change the settings (data) of the Tuning and other
functions for performance control. The changed
data is erased when the unit is powered off. If you
wish to retain the data even after powered off, tal<e
an appropriate writing operation.
Parameter
1. Tuning
2. Modulation Sensitivity
3. Portamento Time
4. Preset Tone Colors' DCO
Bender Range
5. Foot Control
6. Pedal Switch
a. How to edit the Petformance Control Functions
<OPERATION>
®Press the Tune/Function Button ©until
the Display (^ shows the function you
wish to edit.
(2) Using the aDial, change the value of the
function to your taste.
As shown in the picture, each time you push the
Tune/Function Button©, the function shown in
the Display changes.
14

1. Tuning
Example T
I i !|.. ,„
This function is used to tune with other instru-
ment. The pitch of A4 key can be set to 430 to
454 Hz.
The Display ©shows the pitch currently set, and if
"" mark is shown on the left of the Display, the
actual pitch of the aJUNO-1 is slightly lower than
the set pitch shown in the Display. If "A" mark is
shown on the right side of the Display, the pitch Is
higher. When both "" and "'4" marks are
shown at the both ends of the Display, tuning is
done.
2. Modulation Sensitivity
Example TWhen the Pitch Bender/Modulation Lever ©con-
trols the Modulation effect, this function deter-
mines the depth of the Modulation effect from to
127.
3. Portamento Time
Example TWhen the Portamento effect is on, this function
sets the time needed for the slide of the pitch from
one note to another.
*At 0, no portamento effect is obtained, and 127 is
the longest time.
4. Preset Tone Colors' DCO Pitch Bender Range
Example TWhen the Pitch Bender/Modulation lever controls
the Pitch Bender effect of the whole preset tone
colors {P-n to 88), this sets the depth of the effect
from to 12 (1 represents semi-tone).
5. Foot Control
Example T
Volume
Aftertouch
Dynamics
Display®
UOLUME
fiFTER
DVNMCS
This function selects which of the Volume, After-
touch or Dynamics function works by the foot con-
trol pedal connected to the Foot Control Jack®.
Function
This controls the volume.
The setting of each Aftertouch Sensitivity (of DCO, VCF or VGA)
determinesthe maximum effect ofthe Aftertouch.
When each ENV Mode (of DCO, VCF or VGA) is set to Dynamics, the
volume pedal controls the dynamics effect
The Dynamics effect is determined by the position ofthe pedal when the key is played. This means that the
Dynamics effect is not affected by the pedal once the key Is played.
6. Pedal SwKch
Example This function selects which of the Program Shift,
Portamento, or Chord Memory function works by
the pedal switch connected to the Pedal Switch
Jack®.
Mode Display® Function
Program Shift PSHFT Pressing the pedal switch sequencially calls the tone colors 1to 8.
AfterS, 1will return.
Portamento PORThJ This turns on or off the Portamento effect.
Chord Memory rpD nThis turns on or off the Chord Memory effect
When the Portamento or Chord Memory function is selected, the effect is on while the DP-2 is being depressed.
If you wish to turn the effect on and off alternately by depressing the pedal, use the optional Foot Switch
FS-1.
15

b. Writing the Performance Control
Functions
if you wish to retain the data of Tune/Function
even after the aJUNO is switched off, you should
write it in the back-up memory.
<OPERATION>
®Set the Memory Protect Switch ®to the
OFF position.
(?) Push the Tune/Function Button .
(3) While holding the Write Button ®down,
press the Tune/Function Button ©.
The Display ©will respond with:
While hoidtng the Write Button ®down
\
When the Tune/Function Button Ois pushed.
Return the Memory protect Switch @to
the ON position.
16

6. Edit
Here, call each parameter of atone color and
change it Regarding the details of the paranneters,
see page 18 "7. Tone Color Parameters".
<OPERATION>
®Call the tone color you wish to edit
@Push the Parameter Selector Button ®,
The Display will respond with:
Example
Parameter Name value
(4) Push the Value Button ®.
As shown in the picture, on the right of the Display
®, the current value and the prospective value are
shown.
Example T
Previously set value New value
(D Using the aDial O, call the parameter you
wish to change. (5) Using the aDial O, change to the value
you like.
®Repeat the steps (5) to (5) as many times
as necessary.
17

7. Tone Color Parameters
Atone color consists of various parameters, there-
fore, to edit atone color, change the values of
those parameters.
a. Synthesizer Structure
The aJUNO's synthesizer section consists of
several blocks as shown in the picture. Each
block of the synthesizer section is controlled by
relevant tone-color parameters.
®
DCO Block
©
LFO
Block
HPF
Biock VCF Block
Audio Signal
Control Signal
®
VGA Block
Modulation Pitch
Lever Bender
T
Keyboard
Chorus
Biock
Output
®
ENV Block
DCO (Digitally Controlled Oscillator)
DCO is the digitally controlled oscillator that con-
trols the pitch and generates the waveforms that
are the sound source of the synthesizer.
@HPF (High Pass Rlter)
The HPF {High-Pass Filter) is afilter that passes
high frequency harmonics and cuts off the lower
ones. This changes the waveform and controls the
tone color.
CD VCF (Voltage Controlled Rlter)
Each VCF lets lower frequency harmonics of the
input signal pass and cuts off the higher ones. In
other words, it Is ausual low pass filter. By con-
trolling the cutoff point and resonance, the
waveform changes, thereby the tone color alters.
®VCA (Voltage Controlled Amplifier)
After filtered in the VCF, the signal is fed to the
VCA where the volume {amplitude) of the sound is
controlled.
(D CHORUS
(6) LFO (Low Frequency Oscillator)
This oscillator generates extremely low frequency,
so produces avibrato or growl effect by control-
ling the DCO or VCF.
(7) ENV (Envelope Generator)
This generates the control voitage (Envelope)
which controls the DCO, VCF and VCA, therefore,
alters the pitch, tone color and volume in each
note.
18

b. Parameters
DCO (Digitally Controlled Oscillator)
DDCO Range
Example T
!".! -i'-J
This is to change the pitch range of the DCO in
exact one octave steps from 4' to 32' (4', 8', 16',
32'). 8' is standard. ,-i.
3:
8va
^-8' (Standard)
331
m-xn
-7^ &-&—32'
321 32:
aJUNO-t's Keyboard
Octave Transpose: Normal i
Key Transpose: '
aDCO LRD Depth
Example T
.HA When the LFOls controlling the pitch of the DCO,
this adjusts the depth of the vibrato effect in the
range of to 127.
DDCO EISIV Depth
Example TWhen the ENV is controlling the pitch of the DCO,
this parameter sets the depth of the modulation in
the range of the to 127,
QDCO ENV Mode
Example
IIt Jij... :-.^:i :
This selects the polarity of the Envelope curve that
controls the DCO. Usually /V may be used. In V^
mode, ADSR pattern will be inverted.
Mode Display® Function
Normal r--.. ENV serves to increase the DCO's pitch.
Invert !.-- ENV serves to decrease the DCO's pitch.
Normal with
Dynamics Dr--.. The ENVwith Dynamics serves to increase the DCO's pitch.
Invert with
Dynamics Dl.--" The ENV with Dynamics serves to decrease the DCO's pitch.
19

aDCO Aftertouch Sensrtivtty
Example T
iV. !J5 ij„.||- ji~' ""
This parameter determines the depth of the vibrato
effect when it is controlled by aftertouch. to 15
are valid for this parameter.
aDCO Bender Range
Example
This sets the maximum effect of the Pitch Bender
caused by moving the Pitch Bender/Modulaion
lever. to 12are valid for this parameter, and 1is
semi-tone, therefore, 12 is an octave.
DDCO Pulse Waveform
Example T
r.! ut"-r- Ki
Pulse wave is selected.
Display Waveform Spectrum
:..= "..' OFF ^^^
"J J. 1n!llill!liil
KJ.S. 1nIlllMlft
["•l""-'!
1rw See page 21
"DCO PW/PWM
Depth"
The pulse width of 03 can be set at DCO PW/PWM
Depth.
DDCO Sawtooth Waveform
Example T
Sawtooth waveform is selected.
Display Waveform Spectrum
i* !"rt" OFF ^^^---^^
"„' ,5, ^L
I.-'I '.•' „nn Mtoi
;!.' •..',• .-rd See page 21 "DCO
PW/PWM Depth"
l"s .•!
..Hllll lilfe^iiii
i"JiV"
II II ily^j.^!
*The pulse width of 03 can be set at DCO PW/PWM
Depth.
20