Casio GZ-5 User manual

MIDI MASTER KEYBOARD

GZ-5

(with price)

MIDI MASTER KEYBOARD

INTERNAL

pp pmpmf f ff

VELOCITY

OCTAVE SHIFT

C1 C2 C3 C4 C5 C6

PROGRAM

CHANGE

0VELOCITY

1VOLUME

2PAN

EXPRES-

SION

4HOLD 1

5SOFT

EFFECT

DEPTH

FINE

TUNE

COARSE

TUNE

9ENTER

CONTROL MIDI CH. BEND

SENS BEND

CURVE MOD.

DEPTH

PIANO E. PIANO E. GUITAR

VIBRAPHONE

E. BASS STRINGS BRASS FLUTE SYNTH-LEAD VOLUME POWER OFF MIDI OUT

MODE

ORGAN

ALL NOTE

OFF RESET ALL

CONTROLLER GM RESET

MODULATIONPITCH BEND

GZ-5

— 2 —

ELECTRICAL

Current Drain with 7.5 V DC:

No Sound Output 35 mA ±20%

Maximum Volume 103 mA ±20%

with keys A2, B2, C3 and D3 pressed

in Synth-Lead tone, Volume: Maximum

Speaker Output Level at 10 cm away from the speaker 690 mV ±20%

with key C3 pressed in Synth-Lead tone

Volume: Maximum

Minimum Operating Voltage: 4.8 V

SPECIFICATIONS

GENERAL

(Internal Mode)

Number of Keys: 32

Polyphonic: 4-note

Preset Tones: 10; Piano, E. Piano, Vibraphone, Organ, E. Guitar, E. Bass, Strings,

Brass, Flute, Synth-Lead

Controls: Volume control; 5 levels, Pitch bend switch, Modulation switch

Built-In Speaker: 6.5 cm dia. 0.5 W input rating: 1 pec.

Tuning: A4=442 Hz (fixed)

Terminals: MIDI Output, AC Adapter Jack (DV 7.5 V)

Power Source: DC: 4 AA size dry batteries

Battery life: Approx. 6 hours (SUM-3/R6P)

AC: AC Adapter AD-1

Power Consumption: 0.7 W when operating by batteries

1.0 W when operating by an AC adapter

Dimensions (HWD): 50 x 399 x 132 mm

(1-15/16 x 15-11/16 x 5-3/16 inches)

Weight: 0.64 kg (1.4 lbs) including batteries

CONTENTS

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Schematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

— 3 —

MIDI Message Operation switch Setting Opeartion for setting

Note No. Keyboard

Octave shift switch Octave range See the fi

ure below

Velocity Keyboard

Velocity switch Velocity value CONTROL + VELOCITY, XXX, ENTER

Pitch Bend Pitch bend switch Bend sense

Bend curve BEND SENS, XXX, ENTER

BEND CURVE, X, ENTER

Modulation Modulation switch Modulation depth MOD.DEPTH, XXX, ENTER

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.

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 C4=60

C1 C2 C3 C4 C5 C6

— 4 —

Operation 2

The MIDI messages listed below are transmitted when completing the operation shown in the following

table.

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.

MIDI Message Operation

Program change CONTROL + PROGRAM CHANGE, XXX, ENTER

Volum

CONTROL + VOLUME, XXX, ENTER

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 tun

CONTROL + FINE TUNE, XXX, ENTER

Coarse tun

CONTROL + COARSE TUNE, XXX ENTER

All notes of

CONTROL + MIDI CH.

Reset all controlle

MIDI CH. + BEND SENSE

General MIDI reset BEND CURVE + MOD. DEPTH

MIDI channel MIDI CH., XXX, ENTER

Control change

— 5 —

Initial Value/Setting Range

Setting Range

Piano, E. Piano, Vibraphone, Organ,

E.Guitar, E.Bass, Strings, Brass, Flute,

Synth-Lead

0 - 3

5 levels

Setting Range

0 - 127

1 - 127

0 - 127

pp (50), p (70), mp (85), mf (95), f (110),

ff (127)

C1, C2, C3, C4, C5, C6

0 - 127

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.)

0 - 127

1 - 16

Internal Mode

Tone

Bend Sens

Volume

MIDI Out Mode

Control

Program Change

Velocity

Volume

Pan

Expression

Hold 1

Soft

Effect Depth

Fine Tune

Coarse Tune

Velocity

Octave Shift

Vend Sense

Bend Curve

Modulation Depth

MIDI Channel

Initial Setting

Piano

Max.

Initial Setting

—

mf (95)

—

(Approx. 0.096 sec)

127

— 6 —

Program Change 0 - 127

Note ON/OFF

Note No.: F0 - C8 (17 - 108)

Velocity: 1 - 127 Note ON

0 Note OFF

Pitch Bend: 0 - 16383 (14 bits)

Control Change

Modulation Controller No.: 1

Controller Value: 0 - 127

Volume Controller No.: 7

Controller Value: 0 - 127

PAN Controller No.: 10

Controller Value: 0 - 127

Expression Controller No.: 11

Controller Value: 0 - 127

HOLD 1 Controller No.: 64

Controller Value: 0 - 127

Soft Pedal Controller No.: 67

Controller Value: 0 - 127

External Effect Depth

Controller No.: 91

Controller Value: 0 - 127

MIDI Transmission

Registered Parameter Number

Pitch Bend Sensitivity

RPN LSB (100): 0

RPN MSB (101): 0

Data Entry MSB (6): 0 - 127

Data Entry LSB (38): 0

Fine Tune

RPN LSB (100): 1

RPN MSB (101): 0

Data Entry MSB (6): 0 -127

Data Entry LSB (38): 0

Coarse Tune

RPN LSB (100): 2

RPN MSB (101): 0

Data Entry MSB (6): 0 - 127

Data Entry LSB (38): 0

Channel Mode Message

Reset All Controller

Controller No.: 121

Controller Value: 0

All Note Off Controller No.: 123

Controller Value: 0

System Exclusive Message

GM ON

[F0] [7E] [7F] [09] [01] [F7]

Tone

PIANO

E.PIANO

VIBRAPHONE

ORGAN

E.GUITAR

Range

F3 - C6

F4 - C7

Tone

E.BASS

STRINGS

BRASS

FLUTE

SYNTH-LEAD

Range

F2 - C5

F3 - C6

Note Range of Keyboard Play

— 7 —

MIDI Implementation Chart

Basic Default

Channel Changed

Default

Mode Messages

Altered

Note

Number: True voice

Velocity Note ON

Note OFF

After Key's

Touch Ch's

Pitch Bender

Control 01

Change 06, 38

100, 101

121

Program

Change : True #

System Exclusive

System : Song Pos

Common : Song Sel

: Tune

System : Clock

Real Time : Commands

Aux : Local ON/OFF

Messages : All notes OFF

: Active Sense

: Reset

Remarks

Function ... Transmitted Recognized Remarks

1 channel

1-16 channel

—

❊❊❊❊❊❊❊❊❊❊❊❊❊❊

17 ~ 108

❊❊❊❊❊❊❊❊❊❊❊❊❊❊

9nH v = 1~127

9nH v = 0, 8nH v = ❊❊

0 ~ 127

❊❊❊❊❊❊❊❊❊❊❊❊❊❊

*1: Pitch Bend Sens

Fine Tune

Coarse Tune

Version: 1.0

Mode 1 : OMNI ON, POLY Mode 2 : OMNI ON, MONO

: Yes

Mode 3 : OMNI OFF, POLY Mode 4 : OMNI OFF, MONO

: No

❊❊❊❊❊❊❊❊❊❊❊❊❊❊

❊❊ = No relation

Modulation

Data entry

Volume

PAN

Expression

Hold 1

Soft

External effect depth

RPN LSB • MSB

Reset all controller

*2 : GM On

[F0] [7E] [7F] [09] [01] [F7]

— 8 —

BLOCK DIAGRAM

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

Nomenclature of Keys

KO0~KO10

KI0~KI7

Keyboard

Switches

Oscillator

Q958, X957

CPU

MSM6387-A23

LSI101

Amplifier

AN8053N

IC101

Speaker

VDD

MIDI Output

OUT

KO11

Driver

Q101

— 9 —

CIRCUIT DESCRIPTION

Key Matrix

KI0 KI1 KI2 KI3 KI4 KI5 KI6 KI7

KO0 F3 F#3 G3 G#3 A3 A#3 B3 C4

KO1 C#4 D4 D#4 E4 F4 F#4 G4 G#4

KO2 A4 A#4 B4 C5 C#5 D5 D#5 E5

KO3 F5 F#5 G5 G#5 A5 A#5 B5 C6

KO4 Pad 0 Pad 1 Pad 2 Pad 3 Pad 4

KO5 Enter Pad 5 Pad 6 Pad 7 Pad 8 Pad 9

KO6 Volume

Up Volume

Down Bend

Sense MIDI CH. Control

KO7 Pitch

Bend - Pitch

Bend +

KO8 Modula-

tion

KO9 Velocity

ff Velocity

fVelocity

mf Velocity

mp Velocity

pVelocity

KO10 Internal MIDI Out Octave

Shift C6 Octave

Shift C5 Octave

Shift C4 Octave

Shift C3 Octave

Shift C2 Octave

Shift C1

Pin No. Terminal In/ Out Function

1, 2 TEST1, TEST2 Not used. Connected to ground.

3 RESET In Power ON reset input. On: +6V Off: 0V

4 AVDD In +5 V sorce for the built-in DAC

5 OUT Out Sound waveform output

6 AGND In Ground (0 V) source for the built-in DAC

7 GND In Ground (0 V) source

8 COSI In 21.725 MHz clock pulse input

9 COSO Not used.

10 VDD In +5 V source

11 ~ 18 KI0 ~ KI7 In Input terminal from keys and switches

19 KO11 Out MIDI signal output

20 ~ 30 KO10 ~ KO0 Out Key and switch scan signal output

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.

— 10 —

SCHEMATIC DIAGRAMS

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