Table Of Contents; Specifications - Casio CTK-480 Service Manual

Specifications .......................................................................................................................... 2
Block Diagram ......................................................................................................................... 3
Circuit Description ................................................................................................................... 4
Troubleshooting ...................................................................................................................... 7
Major Waveforms .................................................................................................................... 8
Schematic Diagrams ............................................................................................................... 9
Printed Circuit Boards ........................................................................................................... 11
Exploded View ...................................................................................................................... 13
Parts List ............................................................................................................................... 15
GENERAL
Number of keys:
Polyphonic:
Preset tones:
Auto-rhythms:
Accompaniment:
Song bank:
Tuning control:
Built-in speakers:
Terminals:
Power source:
Power consumption:
Dimensions(HWD):
Weight:
ELECTRICAL
Current drain with 9 V DC:
No sound output
Maximum volume
with white keys C1 to G2 pressed in Synth-Lead 1
Volume: 9
Phone output Level (Vrms with 8 ohm load each channel):
with key E3 pressed in Synth-Lead 1
Sound Pressure (at 10 cm away from speaker):
with key E3 pressed in Synth-Lead 1
Minimum operating voltage:
CONTENTS
SPECIFICATIONS
61
12-note
100
50, Tempo control: 40 to 255
CONCERT Chord, Fingered
20-tune
440 Hz ± 50 cents
4 inch dia. 1 W input rating: 2 pcs
Headphone Jack (Output impedance: 50 ohm, Output voltage: 4.6 V (rms) MAX
2-way AC or DC source
AC: AC adapter
DC: 6D size dry batteries, Vehicle battery with DC adapter
7.7 W
90 × 910 × 322 mm (3-1/2 × 36-3/16 × 12-11/16 inches)
3.9 kg (8 lbs) excluding batteries
- 2 -
120 mA ± 30%
650 mA ± 30%
80 mV ± 30%
100 dB ± 10 dB
6.0 V