Casio gz 500 service manual
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Extracted text from casio gz 500 service manual (Ocr-read)
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Ñ 2 Ñ ELECTRICAL Current drain with 9 V DC: No sound output 294 mA ± 20% Maximum volume 940 mA ± 20% with 32 polyphonic notes in tone No. 078 Volume; maximum, Velocity: maximum Phone output level (Vrms with 8 load each channel): with key A5 pressed in tone No. 078 100 mV ± 20% Line output level (Vrms with 47 k load each channel): with key A5 pressed in tone No. 078 1350 mV ± 20% Minimum operating voltage: 6.0 V CONTENTS Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Major waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Schematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 SPECIFICATIONS GENERAL Number of keys: 61 Polyphonic: 32-note Preset tones: 128, Drum set: 8 Keyboard controls: Touch response: On/Off Digital effects: 10, including Reverb-1, Reverb-2, Reverb-3, Chorus, Tremolo, Phase Shifter, Organ SP, Enhancer, Flanger, EQ Loudness Modulation: On/Off, Depth setting range: 0 - 127 Pitch bend wheel: Bend sense: 0 - 12 Tuning control: 440Hz ± 50 cents Built-in speakers: 12 cm dia. 2 W input rating: 2 pcs. Terminals: Phone Jack [Output impedance: 100 W, Output voltage: 4.5 V(rms) MAX], MIDI Jacks (IN, OUT), Assignable Jack, AC Adapter Jack (9 V) Auto power off: Approximately 6 minutes after the last operation Power source: 2-way AC or DC source AC: AC adapter DC: 6 D size dry batteries Power consumption: 7.7 W Dimensions (HWD): 129 x 942 x 367 mm (5-1/16 x 37-1/16 x 14-1/2 inches) Weight: 5.3 kg (11.7 lbs) excluding batteries
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Ñ 3 Ñ OPERATION SETTING UP THE KEYBOARD The initial settings Tone: 000 (Piano) Channel 1 - 9 & 11 - 16 dr0 (Drum set 0) Channel 10 Modulation: 0 (Off) MIDI control change Volume: 100 Pan: 64 (Center) Expression: 127 (Maximum) Effect depth: 127 (Maximum) Pitch bend sense: 2 Coarse tune: 0 (Center) Fine tuning: 0 (Center) Digital effect: E-0 (Digital effect 0) MIDI channel: 01 Channel On/Off: On Octave shift: 0 Modulation depth: 064 Touch response: r-0 (Touch curve 0) Velocity at touch response OFF: 100 Assignable jack: SUS (Sustain pedal) Local control On/Off: On Notes: 1* See the initial settings list as shown below. 2* See the initial settings in The General MIDI system on next page. 3* The exclusive message of "GM system on" will be tramsmitted when completing the operation. System exclusive: GM system on [F0][7E][7F][09][01][F7] ItemSettin g Settin g operation System Reset 1* 1. Press the control button and repeat it until the display shows "Srt". "SUr" and "Srt" will appear alternately on the display. 2. Press the + key. Assignable Jack Sustain pedal 1. Press the control button and repeat it until the display shows "JAC". 2. Using the +/- key, select "SUS" on the dispaly. Sostenuto pedal 1. Press the control button and repeat it until the display shows "JAC". 2. Using the +/- key, select "SoS" on the dispaly. Soft pedal 1. Press the control button and repeat it until the display shows "JAC". 2. Using the +/- key, select "SFt" on the dispaly. GM Reset 3* 2* 1. Press the MIDI button and repeat it until the display shows "Grt". "SUr" and "Grt" will appear alternately on the display. 2. Press the + key. 3. Press the + key again.