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Table Of Contents; Specifications - Casio GZ-50M Service Manual

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Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
MIDI Messages receivable with GZ-50M . . . . . . . . . . . . . . . . . . . . . 3
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Major waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
PCB View and Check Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
GENERAL
Sound source:
Digital effects:
Demonstration tune:
Volume control:
MIDI monitor:
Tuning:
Terminals:
Power source:
Power consumption:
Dimensions (HWD):
Weight:
ELECTRICAL
Current drain with 9 V DC:
No sound output
Maximum volume
with 32 polyphonic in tone No.078
Volume; maximum, Touch response: maximum
Phone output Level (Vrms with 8 Ω load each channel):
with keys C6 and F6 in tone No.078
Line output level (Vrms with 47 KΩ load each channel):
with keys C6 and F6 in tone No.078
Minimum operating voltage:
CONTENTS

SPECIFICATIONS

The General MIDI system 1
Number of tones:
Number of drum sets:
Number of layer voice: 32
10, including
Reverb-1, Reverb-2, Reverb-3, Chorus, Tremolo,
Phase Shifter, Organ SP, Enhancer, Flanger, EQ Loudness
Suite for Rebecca (Arranged and programmed by Wojtek Gogoleski)
Analog volume
LED
Center: 440 Hz
Headphone Jack [Output impedance: 68 Ω, Output voltage: 0.3 V(rms)MAX],
Line Out Jack [Output impedance: 2 KΩ, Output voltage: 1.5 V8rms) MAX],
MIDI IN Jack, AC Adapter Jack (9 V)
AC source only: AC adapter
2.8 W
35 x 113 x 169 mm (1-3/8 x 4-7/16 x 6-5/8 inches)
450 g (1 lbs)
- 2 -
128
8
210 mA ± 20%
230 mA ± 20%
85 mV ± 20%
300 mV ± 20%
4.0 V

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