(with price)
GZ-5
VELOCITY
MIDI MASTER KEYBOARD
pp
p
mp mf
f
ff
ALL NOTE RESET ALL
OFF
CONTROLLER
GM RESET
OCTAVE SHIFT
MODE
CONTROL MIDI CH.
BEND
SENS
BEND
CURVE
MOD.
DEPTH
PROGRAM
CHANGE
0
EXPRES-
SION
4
EFFECT
DEPTH
7
FINE
TUNE
8
COARSE
TUNE
9
VELOCITY VOLUME
PAN
3
HOLD
5
1
SOFT
6
ENTER
1
2
C1 C2 C3 C4 C5 C6
POWER OFF INTERNAL MIDI OUT
PITCH BEND
MODULATION
PIANO
E. PIANO VIBRAPHONE ORGAN E. GUITAR E. BASS STRINGS
BRASS
FLUTE SYNTH-LEAD
VOLUME
GZ-5
MIDI MASTER KEYBOARD
OPERATION
Transmitting MIDI Messages
To transmit MIDI messages, set the Mode Switch to the MIDI OUT position.
Operation 1
The note number is transmitted when the corresponding key is pressed.
Use the Octave Shift Switch, and select the position appropriate to the octave range you want. GZ-5 can send
note numbers 17 to 108 but it has 32 keys only.
Velocity is also transmitted when a key is pressed. GZ-5 sends the velocity in accordance with the selected
position of the velocity switch.
Data of pitch bend and modulation is transmitted when the corresponding switch is operated.
The values of the velocity, the pitch bend and the modulation switches are automatically set up to the initial
value when turning on the power.
See the appendix for information about the initial value.
See the following table for instruction how to change the value.
MIDI Message
Operation switch
Setting
Opeartion for setting
See the figure below
Note No.
Keyboard
Octave shift switch
Octave range
Velocity value
Velocity
Keyboard
Velocity switch
CONTROL + VELOCITY, XXX, ENTER
Pitch Bend
Modulation
Pitch bend switch
Bend sense
Bend curve
BEND SENS, XXX, ENTER
BEND CURVE, X, ENTER
Modulation switch
Modulation depth
MOD.DEPTH, XXX, ENTER
Example of operation : CONTROL + VELOCITY, XXX, ENTER
Press CONTROL button and VELOCITY button at the same time.
Use the 10-key pads, enter a 3-digit number.
Press ENTER button.
Position of the octave switch and octave range
C1
C2
C3
C4
C5
C6
C4=60
C1
C2
C3
C4
C5
C6
— 3 —
Operation 2
The MIDI messages listed below are transmitted when completing the operation shown in the following
table.
MIDI Message
Program change
Control change
Operation
CONTROL + PROGRAM CHANGE, XXX, ENTER
Volume CONTROL + VOLUME, XXX, ENTER
Pan CONTROL + PAN, XXX, ENTER
Expression CONTROL + EXPRESSION, XXX, ENTER
Hold 1 CONTROL + HOLD 1, XXX, ENTER
Soft pedal CONTROL + SOFT PEDAL, XXX, ENTER
Effect depth CONTROL + EFFECT DEPTH, XXX, ENTER
Fine tune CONTROL + FINE TUNE, XXX, ENTER
Coarse tune CONTROL + COARSE TUNE, XXX ENTER
All notes off CONTROL + MIDI CH.
Reset all controller MIDI CH. + BEND SENSE
General MIDI reset
MIDI channel
BEND CURVE + MOD. DEPTH
MIDI CH., XXX, ENTER
Example of operation : CONTROL + VELOCITY, XXX, ENTER
Press CONTROL button and VELOCITY button at the same time.
Use the 10-key pads, enter a 3-digit number.
Press ENTER button.
Notes: 1. See the appendix for information about a value to be entered, "XXX".
2. For details of MIDI message and operation, see GZ-5 operation manual.
— 4 —
Initial Value/Setting Range
Initial Setting
Setting Range
Internal Mode
Piano
Piano, E. Piano, Vibraphone, Organ,
E.Guitar, E.Bass, Strings, Brass, Flute,
Synth-Lead
Tone
2
0 - 3
Bend Sens
Volume
Max.
5 levels
Initial Setting
Setting Range
MIDI Out Mode
Control
—
—
—
—
—
—
—
—
—
—
0 - 127
1 - 127
0 - 127
0 - 127
0 - 127
0 - 127
0 - 127
0 - 127
0 - 127
0 - 127
Program Change
Velocity
Volume
Pan
Expression
Hold 1
Soft
Effect Depth
Fine Tune
Coarse Tune
mf (95)
pp (50), p (70), mp (85), mf (95), f (110),
ff (127)
Velocity
C4
—
C1, C2, C3, C4, C5, C6
0 - 127
Octave Shift
Vend Sense
Bend Curve
1
0 (approx. 0.048 sec.), 1 (approx. 0.096 sec)
2 (approx. 0.192 sec.), 3 (approx. 0.384 sec.)
4 (approx. 0.768 sec.)
(Approx. 0.096 sec)
127
1
0 - 127
1 - 16
Modulation Depth
MIDI Channel
— 5 —
MIDI Transmission
Program Change 0 - 127
Registered Parameter Number
Pitch Bend Sensitivity
RPN LSB (100):
Note ON/OFF
0
Note No.: F0 - C8 (17 - 108)
RPN MSB (101):
0
Velocity:
1 - 127 Note ON
Data Entry MSB (6):
Data Entry LSB (38): 0
0 - 127
0
Note OFF
Pitch Bend:
0 - 16383 (14 bits)
Fine Tune
RPN LSB (100):
RPN MSB (101):
Data Entry MSB (6):
Data Entry LSB (38): 0
1
0
Control Change
Modulation Controller No.: 1
Controller Value: 0 - 127
0 -127
Volume
PAN
Controller No.: 7
Controller Value: 0 - 127
Coarse Tune
RPN LSB (100):
2
0
RPN MSB (101):
Data Entry MSB (6):
Data Entry LSB (38): 0
Controller No.: 10
Controller Value: 0 - 127
0 - 127
Expression Controller No.: 11
Controller Value: 0 - 127
Channel Mode Message
Reset All Controller
Controller No.: 121
Controller Value: 0
HOLD 1
Controller No.: 64
Controller Value: 0 - 127
All Note Off Controller No.: 123
Controller Value: 0
Soft Pedal Controller No.: 67
Controller Value: 0 - 127
System Exclusive Message
GM ON
[F0] [7E] [7F] [09] [01] [F7]
External Effect Depth
Controller No.: 91
Controller Value: 0 - 127
Note Range of Keyboard Play
Tone
PIANO
Range
F3 - C6
F3 - C6
F3 - C6
F3 - C6
F4 - C7
Tone
E.BASS
Range
F2 - C5
F3 - C6
F3 - C6
F3 - C6
F3 - C6
E.PIANO
VIBRAPHONE
ORGAN
STRINGS
BRASS
FLUTE
E.GUITAR
SYNTH-LEAD
— 6 —
Version: 1.0
MIDI Implementation Chart
Function ...
Transmitted
1 channel
Recognized
Remarks
Basic
Default
Channel Changed
X
X
1-16 channel
Default
Messages
Altered
—
X
X
X
Mode
Note
❊❊❊❊❊❊❊❊❊❊❊❊❊❊
❊❊❊❊❊❊❊❊❊❊❊❊❊❊
17 ~ 108
X
Number: True voice
❊❊❊❊❊❊❊❊❊❊❊❊❊❊
❊❊❊❊❊❊❊❊❊❊❊❊❊❊
Velocity Note ON
Note OFF
O
X
9nH v = 1~127
9nH v = 0, 8nH v = ❊❊
X
X
❊❊ = No relation
After
Touch
Key's
Ch's
X
X
X
X
Pitch Bender
O
X
Control
Change
01
06, 38
07
O
O
O
O
O
O
O
O
O
O
X
X
X
X
X
X
X
X
X
X
Modulation
Data entry
Volume
PAN
Expression
Hold 1
Soft
External effect depth
RPN LSB • MSB
Reset all controller
*1
10
11
64
67
91
100, 101
121
*1
Program
O
0 ~ 127
X
Change : True #
❊❊❊❊❊❊❊❊❊❊❊❊❊❊
❊❊❊❊❊❊❊❊❊❊❊❊❊❊
System Exclusive
O
*2
X
*2 : GM On
System
Common : Song Sel
: Tune
: Song Pos
X
X
X
X
X
X
System
Real Time : Commands
: Clock
X
X
X
X
Aux
: Local ON/OFF
X
O
X
X
X
X
X
X
Messages : All notes OFF
: Active Sense
: Reset
Remarks
*1: Pitch Bend Sens
Fine Tune
*2 : GM On
[F0] [7E] [7F] [09] [01] [F7]
Coarse Tune
Mode 1 : OMNI ON, POLY
Mode 3 : OMNI OFF, POLY
Mode 2 : OMNI ON, MONO
Mode 4 : OMNI OFF, MONO
O
X
: Yes
: No
— 7 —
BLOCK DIAGRAM
KO0~KO10
MIDI Output
Driver
Q101
KO11
CPU
MSM6387-A23
LSI101
KI0~KI7
Amplifier
AN8053N
IC101
OUT
Keyboard
Switches
Speaker
VDD
Oscillator
Q958, X957
Nomenclature of Keys
F#3 G#3 A#3
C#4 D#4
F#4 G#4 A#4
C#5 D#5
F#5 G#5 A#5
F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5 F5 G5 A5 B5 C6
— 8 —
CIRCUIT DESCRIPTION
Key Matrix
KI0
KI1
F#3
D4
KI2
G3
KI3
G#3
E4
KI4
A3
KI5
A#3
KI6
B3
KI7
C4
KO0
KO1
KO2
KO3
KO4
KO5
F3
C#4
A4
D#4
B4
F4
F#4
G4
G#4
E5
A#4
F#5
C5
C#5
A5
D5
D#5
B5
F5
G5
G#5
Pad 0
Pad 5
A#5
C6
Pad 1
Pad 6
Pad 2
Pad 7
Pad 3
Pad 8
Pad 4
Pad 9
Enter
Volume
Up
Volume
Down
Bend
Sense
KO6
KO7
KO8
KO9
KO10
MIDI CH.
Control
Pitch
Bend -
Pitch
Bend +
Modula-
tion
Velocity
ff
Velocity
f
Velocity
mf
Velocity
mp
Velocity
p
Velocity
pp
Octave
Shift C6
Octave
Shift C5
Octave
Shift C4
Octave
Shift C3
Octave
Shift C2
Octave
Shift C1
Internal
MIDI Out
CPU (LSI101: MSM6387-A23)
Containing a MIDI controller, the CPU outputs MIDI messages in accordance with the pressed keys and
buttons.
The following table shows the pin functions of LSI101.
Pin No.
Terminal
TEST1, TEST2
RESET
AVDD
In/ Out
Function
Not used. Connected to ground.
Power ON reset input. On: +6V Off: 0V
+5 V sorce for the built-in DAC
Sound waveform output
1, 2
3
In
In
4
5
OUT
Out
In
6
AGND
Ground (0 V) source for the built-in DAC
Ground (0 V) source
7
GND
In
8
9
COSI
In
21.725 MHz clock pulse input
Not used.
COSO
10
VDD
In
In
+5 V source
11 ~ 18
19
KI0 ~ KI7
KO11
Input terminal from keys and switches
MIDI signal output
Out
Out
20 ~ 30
KO10 ~ KO0
Key and switch scan signal output
— 9 —
SCHEMATIC DIAGRAMS
— 10 —
Main PCB JCM558-MA1M
— 11 —
EXPLODED VIEW
2
1
3
4
5
5
6
7
8
9
10
11
12-2
12
12-1
13
14
— 12 —
PARTS LIST
GZ-5
Notes: 1. Prices and specifications are subject to change with-
out prior notice.
2. As for spare parts order and supply, refer to the
"GUIDEBOOK for Spare parts Supply", published
seperately.
3. The numbers in item column correspond to the same
numbers in drawing.
FOB Japan
N.R.Yen
N
Item
Code No.
Parts Name
Specification
Q
R
Unit Price
Electrical Parts
N
N
12
LSI101
IC101
Q101
Q958
6923 6680 PCB ass'y JCM558-MA1M
2012 0196 LSI
2114 3269 IC
2220 1387 Transistor
2220 1387 Transistor
2590 1897 Ceramic oscillator
2390 1344 Diode
M240209*1
MSM6387-A23
AN8053N
2SC1740SQ-TP-T
2SC1740SQ-TP-T
EFO-EN2175C4
1SS133T-77-T
1
1
1
1
1
1,650
430
110
13
B
A
A
B
B
B
B
13
60
3
X959
1
60
D101~D158,
D160, D163
D159
D161
LED101
J101
2360 2429 Zener diode
2390 0371 Diode
2370 1106 LED
3501 3731 Power jack
3501 4830 DIN jack
6917 1762 Battery spring (+)
6922 1760 Battery spring (-)
Mechanical Parts
MTZJ4.3B-T77-T
DSK10B-BT-T
MPR3338S-B99
HEC2305-01-250
YKF51-5050
1
1
1
1
1
1
1
8
11
24
30
70
5
B
B
B
B
B
C
C
N
J102
12-1
12-2
M410913B-1
M412226-1
10
N
N
N
N
1
2
3
4
5
6
7
8
9
10
11
13
14
6906 7751 Slide knob, Gray
6906 7761 Slide knob, Purple
6923 9070 Upper case sub ass'y
3831 0812 Speaker
6909 5890 Slide contact
6923 6740 Bender knob
6923 6730 Rubber button
6917 1571 White key set
6917 1580 Black key set
6917 1591 Key contact rubber
6923 6750 Button contact rubber
6923 9060 Lower case sub ass'y
6906 7931 Battery cover
M311859A-3
M311859A-4
M340288*1
0023-249-0-0013
CSB-12D
M340143-1
M340142-1
M210610A-1
M210609-1
M210605A-1
M340144-1
M340287*1
M312197A*6
12
12
570
150
35
80
200
69
41
80
15
450
35
B
B
C
B
B
C
C
A
A
A
B
C
B
2
1
1
1
3
2
1
1
1
1
4
1
1
N
N
N
N
N
Notes: N – New parts
M – Minimum order/supply quantity
R – Rank
— 13 —
MA0700951A
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