Adsr; Noise Generator - Roland SYSTEM 100 101 Service Manual

1976-7-30
SYSTEM
lOO-lOl
SYSTEM-100 SPECIFICATIONS
MODEL-101
1.
VCO
(Voltage Controlled Oscillator)
Frequency Range:
VCO
Output:
VCO
Sync. Output:
CONTROLS
Wave Form:
Frequency:
Fine Tuning:
Pulse Width:
Ext.
CJ:
LFO
3 Hz
-40
KHz
10 Vp-p
Pulse
Wave
Triangular Wave, Sawtooth
Wave, Square Wave,
Pulse Wave
(Pulse
Width Controlled)
10 Hz
-
10
KHz
(at
A2
key) continuously variable
1
oct.
5%
-
50%
(Manual, ADSR, LFO)
1
V/oct.
2.
NOISE
GENERATOR
Pink or
White Noise Output:
10Vp-p
3.
AUDIO MIXER
Ext.
Input Impedance:
more than 50
Kohm
CONTROLS
VCO,
Noise, Ext.
Input
4.
HIGH PASS FILTER
HPF Cutoff Frequency: 10
Hz
-
10
KHz
5.
VCF
(Voltage Controlled Filter)
Cutoff Frequency Range: 20 Hz
-
100
KHz
CONTROLS
VCF
Cutoff Frequency:
20 Hz
-
20
KHz
Resonance:
—
self oscillation
LFO/Ext. CV:
1
V/oct.
Kybd.
CV
ADSR
6.
VCA
(Voltage Controlled Amplifier)
CONTROLS
Initial
Gain
LFO
ADSR
7.
ENVELOPE GENERATOR (ADSR)
ADSR
Output:
Ext. Env. Input:
Ext. Gate Input:
ADSR
Trig.:
CONTROLS
Attack Time:
Decay Time:
Sustain Level:
Release
Time:
+6V
(contour peak)
same
as
above
+14V
KYBD
Gate or
LFO
0.4 msec.
—3
sec.
0.8 msec.
—6
sec.
-
100%
(contour peak)
0.8 msec.
—6
sec.
1976-7-30
SYSTEMlOO-lOl
8.
LFO
(Low Frequency
Oscillator)
Sawtooth
Wave, Sine Wave, Square Wave
Wave Form:
CONTROL
LFO
Frequency: 0.15 Hz,
-25
Hz
Semi Tone
9.
GLIDE
Auto
Glide
(Key
Trig.
ON/OFF):
Glide Manual:
10.
KEYBOARD CONTROL VOLTAGE
KYBD CV
Output:
1
V/oct.
KYBD
Gate Output: +14V
CONTROL
Portamento:
—
2.5
sec.
11.
STANDARD
OSCILLATOR
A-440 Hz
12.
AUDIO SIGNAL OUTPUT
High Output: 3 Vp-p
with
1
Kohm
output impedance.
Low
Output: 0.3 Vp-p with
1
Kohm
output impedance.
13.
HEAD PHONE OUTPUT
0.3V
max
into standard 8
ohm
stereo headphones.
14.
KEYBOARD
37-key
15.
FOR COMPUTER
CV
Input:
CV
Output:
Trig. Input:
Trig. Output:
1
V/oct.
Keyboard
Control Voltage
1
V/oct.
+14V
+14V
16.
DIMENSIONS AND
WEIGHT
Overall Size: 610 m/m
wide, 355
m/m
deep,
145
m/m
high.
Net Weight:
9
kg.
17.
POWER REQUIREMENTS
100-120V50-60Hz:
220
-
250V
50
-
60Hz:
18.
POWER CONSUMPTION
10Wmax.