Table Of Contents; Specification - Casio CTK-50 Service Manual

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Specification .............................................................................. 2
Block Diagram ........................................................................... 3
Circuit Description ..................................................................... 4
Troubleshooting ........................................................................ 7
Major Waveforms ...................................................................... 8
Schematic Diagrams ................................................................. 9
PCB View ................................................................................ 11
Exploded View ........................................................................ 12
Parts List ................................................................................. 13
GENERAL
Number of keys:
Polyphonic:
Preset tones:
Auto-rhythms:
Auto-accompaniment:
Demonstration tune:
Built-in speakers:
Terminal:
Power source:
Power consumption:
Dimensions:
Weight:
ELECTRICAL
Current drain with 9V DC:
No sound output
Maximum volume
with keys C1, D1, E1 and F1 pressed
in Car-Horn tone, Volume; Maximum
Sound Pressure Level at 10 cm away from speaker:
with key C4 pressed in Car-Horn tone
Volume; Maximum
Minimum operating voltage:
CONTENTS
49
8-note
100
100
CASIO Chord/Fingered
Classical Medley
10 cm dia. 2.0W Input Rating: 1 pc.
AC Adapter Jack (DC 9 V)
2-way AC or DC source
AC: AC adapter
DC: 6 AA size dry batteries
6.0 W
79 x 766 x 269 mm (HWD)
(3-1/8 x 33 x 10-5/8 inches) (HWD)
2.8 kg (6.2 lbs) excluding batteries
- 2 -
Nominal
Limit
50 mA ± 30%
50 mA
515 mA ± 30%
515 mA
108 ± 10 dB
108 dB
5.8 V
6.0 V

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