Casio ctk 501 service manual
This is the 21 pages manual for casio ctk 501 service manual.
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Extracted text from casio ctk 501 service manual (Ocr-read)
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CONTENTS Specifications ................................................................................................................................... 1 Block Diagram .................................................................................................................................. 2 Circuit Description ............................................................................................................................ 3 Adjustment ....................................................................................................................................... 7 Major Waveforms ............................................................................................................................. 8 Printed Circuit Boards ...................................................................................................................... 9 Schematic Diagrams ...................................................................................................................... 11 Exploded View ............................................................................................................................... 16 Parts List ........................................................................................................................................ 17
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Ñ 1 Ñ ELECTRICAL Current drain with 9 V DC: No sound output 120 mA ± 20% Maximum volume 750 mA ± 20% with 12 keys C1 to B1 pressed in Synth-Lead 1 Volume: Maximum Phone output level (Vrms with 8 W load each channel): with key G2 pressed in Synth-Lead 1 78 mV ± 20% Speaker output level (Vrms with 4 W load each channel): with key G1 pressed in Synth-Lead 1 1250 mV ± 20% Minimum operating voltage: 6.0 V SPECIFICATIONS GENERAL Keyboard: 61 standard-size keys, 5 octaves Tones: 100 Polyphony: 12 notes maximum (6 for certain tones) Auto accompaniment Rhythm patterns: 100 Tempo: Variable (236 steps, = 20 to 255) Chords: 2 fingering methods (CASIO CHORD, FINGERED) Rhythm controller: START/STOP, SYNCHRO/FILL-IN Accomp volume: 0 to 9 (10 steps) Song bank Tunes: 100 Controllers: PLAY/PAUSE, STOP, REW, FF, LEFT (ON/OFF), RIGHT (ON/OFF) Musical information Name display: TONE, RHYTHM, SONG BANK name/number Tempo: Tempo value, metronome, synchro standby, beat indicator Chord: Chord name, Chord form Fingering: Fingering indcators, parts, pedal Song bank status: PLAY, PAUSE, REW, FF Staff: 5 octaves with sharp and flat indications Keyboard: 5 octaves MIDI: 5 multi-timbre receive Other functions Transpose: 12 steps (Ð6 semitones to +5 semitones) Tuning: Variable (A4 = approximately 440 Hz ± 50 cents) Volume: 0 to 9 (10 steps) Terminals MIDI terminals: IN, OUT Sustain terminal: Standard jack Phones/Output terminal: Stereo standard jack Output Impedance: 78 W Output Voltage: 4 V (RMS) MAX Power supply terminal: 9 V DC Power supply Dual power supply system Batteries: Six D-size batteries Battery life: Approximately 10 hours on manganese batteries AC adaptor: AD-5 Auto power off: Turns power off approximately six minutes after last key operation. Enabled under battery power only, can be disabled manually. Speaker output: 2.0 W + 2.0 W Power consumption: 9 V --- 7.7 W Dimensions (HWD): 961 ´ 381 ´ 139 mm (37-7/8 ´ 15-1/16 ´ 5-1/2 inches) Weight: Approximately 5.4 kg (11.91 lbs) (without batteries)