Casio GZ-5 Service Manual

Also see for GZ-5: Operation manual

Contents

— 2 —ELECTRICALCurrent Drain with 7.5 V DC:No Sound Output 35 mA ± 20%Maximum Volume 103 mA ± 20%with keys A2, B2, C3 and D3 pressedin Synth-Lead tone, Volume: MaximumSpeaker Output Level at 10 cm away from the speaker 690 mV ± 20%with key C3 pressed in Synth-Lead toneVolume: MaximumMinimum Operating Voltage: 4.8 VSPECIFICATIONSGENERAL(Internal Mode)Number of Keys: 32Polyphonic: 4-notePreset Tones: 10; Piano, E. Piano, Vibraphone, Organ, E. Guitar, E. Bass, Strings,Brass, Flute, Synth-LeadControls: Volume control; 5 levels, Pitch bend switch, Modulation switchBuilt-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 batteriesBattery life: Approx. 6 hours (SUM-3/R6P)AC: AC Adapter AD-1Power Consumption: 0.7 W when operating by batteries1.0 W when operating by an AC adapterDimensions (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 batteriesCONTENTSSpecifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Schematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13