Casio ctk 601 service manual

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Ñ 2 Ñ ELECTRICAL Current drain with 9 V DC: No sound output 200 mA ± 20 % Maximum volume 810 mA ± 20 % with 12 keys from C3 to B3 pressed in Square wave tone Volume: maximum, Touch response: maximum Reverb: Hall Phone output level (Vrms with 8 W load each channel): with key C6 pressed in Bassoon tone R-ch 100 mV ± 20 % Speaker output level (Vrms with 4 W load each channel): with key F5 pressed in Bassoon tone R-ch 1000 mV ± 20 % Minimum operating voltage: 6.3 V About General MIDI General MIDI standardizes MIDI data for all sound source types, regardless of manufacturer. General MIDI specifies such factors as tone numbering, drum sounds, and available MIDI channels for all sound sources. This standard makes it possible for all MIDI equipment to reproduce the same nuances when playing General MIDI data, regardless of the manufacturer of the sound source. This keyboard supports General MIDI, so it can be used to play commercially available pre-recorded General MIDI data and General MIDI data send to it from a personal computer. Terminals MIDI terminals: IN, OUT Assignable terminal: Standard jack (sustain, sostenuto, soft, rhythm start/stop) Headphone/Output terminal: Stereo standard jack Output Impedance: 120 W Output Voltage: 4.5 V (RMS) MAX Power supply terminal: 9 V DC Power supply Dual power supply system Batteries: Six D-size batteries Battery life: Approximately 5 hours continuous operation on manganese batteries AC adaptor: AD-5 Auto power off: Turns power off approximately six minutes after last key operation. En- abled under battery power only, can be disabled manually. Power consumption: 9 V --- 7.7 W Speaker output: 2.5 W + 2.5 W Dimensions (HWD): 93.1 ´ 37.3 ´ 12.0 cm (36 11/16 ´ 14 11/16 ´ 4 3/4 inches) Weight: Approximately 5.0 kg (11.0 lbs) (without batteries)