Casio WK-1500 manual Nomenclature of Keys, Button Matrix, Power Supply Circuit

Page 6

NOMENCLATURE OF KEYS

F#1 G#1 A#1

C#2 D#2

F#2 G#2 A#2

C#3 D#3

F#3 G#3 A#3

C#4 D#4

F#4 G#4 A#4

C#5 D#5

F#5 G#5 A#5

C#6 D#6

F#6 G#6 A#6

C#7 D#7

F#7

E1 F1 G1 A1 B1 C2 D2 E2

F2 G2 A2 B2 C3 D3 E3

F3 G3 A3 B3 C4 D4 E4

F4 G4 A4 B4 C5 D5 E5

F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7 D7 E7

F7 G7

BUTTON MATRIX

 

KI1

KI2

KI3

KI4

KI5

KI6

KI7

KO0

SPLIT

LAYER

CH7/CHORD2

CH8/

CH9/BASS

CH10/

 

CHORD3

RHYTHM

 

 

 

 

 

 

 

KO1

TRANSPOSE

MAGICAL

MIDI

 

RHYTHM

TONE

PAD

/TUNE

PRESET

 

 

 

 

 

 

 

KO2

 

 

CH4/LOWER2

CH5/PAD

CH6/

CH2/

CH3/

 

 

CHORD1

UPPER2

LOWER1

 

 

 

 

 

KO3

3

6

9

DEMO

TOUCH

DIGITAL

 

RESPONSE

EFFECT

 

 

 

 

 

 

 

KO4

2

5

8

CH1/

1

4

7

UPPER1

 

 

 

 

 

 

 

KO5

ACM

SONG

MODULATION

MIXER

0

+

VOLUME

MEMORY

 

 

 

 

 

 

KO6

SYNCH/

VAR./FILL-IN

NORMAL/

INTRO

F

E

D

ENDING

FILL–IN

 

 

 

 

 

 

KO7

MODE

A

B

C

START/

TEMPO

TEMPO UP

STOP

DOWN

 

 

 

 

 

 

KO8

CH11/TR1

CH12/TR2

CH13/TR3

CH14/TR4

CH15/TR5

CH16/TR6

 

KO9

BANK

A

B

C

D

E

STORE

SELECT

 

 

 

 

 

 

 

POWER SUPPLY CIRCUIT

The power supply circuit generates six voltages as shown in the following table. VDD voltage is always generated. The others are controlled by APO signal output from the CPU.

Name

Voltage

For operation of

VDD

+5.2 V

CPU, Reset IC, Working storage RAM, KO signal generator

DVDD

+5.3 V

DSP, Key touch LSI, Sound source ROM, Effect RAM

AVDD

+5.1 V

DAC, Filter

LVDD

+5.2 V

LED Driver

VCC

+12 V

Pilot lamp

VC

+12 V

Power amplifier

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Image 6
Contents WK-1500 Contents SpecificationsElectrical MidiIN, OUT Block Diagram Reset RH5VL36AACircuit Description KEY MatrixPower Supply Circuit Nomenclature of KeysButton Matrix Digital Signal Processor LSI11 HG51B155FD-1 VCC6 CE1, TrsbGND7 CK0Eceb EoebVCC7 VCC4KEY Controller LSI16 HG52E35P Filter Block LED Driving Power Amplifier IC201 LA4620Reset Circuit CPUCH2 CH3 Major WaveformsCH1 CH2 CH1 CH2 C CH3Printed Circuit Boards Main PCB JCM717-MA1MSchematic Diagrams Main PCB JCM717-MA1MSUB PCB KDM717-MA2M Console PCBs KDM717-CN1M/CN2/CN3/CN4 Keyboard PCBs JCM762T-KY1M/KY2M/KY3 Exploded View Parts List Keyboard PCBs Code No Parts Name Specification MA0900761A Sep

WK-1500 specifications

The Casio WK-1500 is a versatile and user-friendly keyboard designed for aspiring musicians and experienced players alike. Part of Casio’s renowned line of portable keyboards, the WK-1500 combines advanced features with a compact design, making it a suitable choice for both home practice and live performances.

At the heart of the WK-1500 is its impressive sound engine, which boasts an extensive library of sounds. With over 600 built-in tones, including a variety of acoustic and electronic instruments, players can easily find the perfect voice for any musical genre. The keyboard also features over 180 rhythms, allowing users to explore a broader musical landscape and enhance their compositions with supportive accompaniments.

One of the standout features of the WK-1500 is its 76 full-size touch-sensitive keys. This is particularly beneficial for pianists, as the touch sensitivity provides a more responsive playing experience. Players can express dynamics and nuances in their performances, enriching their musical interpretations.

The WK-1500 is also equipped with a powerful performance tool known as the "Advanced Synthesizer." This technology allows users to create and modify sounds in real-time, providing endless creative possibilities. Additionally, the keyboard includes a built-in arpeggiator that offers various patterns and styles, further expanding the creative potential.

For those who enjoy composing and recording, the WK-1500 offers built-in song storage with the ability to save and play back original compositions. Users can also connect the keyboard to a computer via USB, making it easy to transfer MIDI data or use the keyboard in conjunction with digital audio workstations.

Another notable characteristic of the WK-1500 is its durability and portability. Weighing in at just under 10 pounds, it is lightweight enough to transport easily. The keyboard also comes with a robust stand and a power adapter, ensuring that musicians can play wherever they go.

In conclusion, the Casio WK-1500 is a feature-packed keyboard that caters to the needs of a wide range of musicians. With its extensive sound library, touch-sensitive keys, advanced synthesizer capabilities, and portability, the WK-1500 stands out as an excellent choice for both learning and performing, ensuring it remains a popular option in the world of portable keyboards. This combination of features, technology, and user-friendly design makes it a valuable instrument for music enthusiasts of all levels.