Casio WK-1500 manual Block Diagram, Reset RH5VL36AA

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BLOCK DIAGRAM

 

 

 

 

 

 

 

LED driver

7-seg. LED

 

 

LED driver

 

 

 

 

 

 

IC371

 

MIDI

Q104 ~ Q111

LEDs

 

 

 

 

 

 

 

BA612

 

OUT IN

 

 

 

 

 

 

 

 

 

La ~ Lg, Lp

 

 

 

 

KO1 ~ KO3

 

LS0 ~

 

 

 

 

 

 

 

 

 

 

 

 

LS7

P41

 

 

 

 

 

 

 

 

 

KO Signal

 

 

 

 

 

 

 

 

KO0 ~

 

 

 

 

P40

Generator IC102

 

Buttons

 

 

 

TC74HC174AF

 

KO5

 

 

 

 

 

 

 

 

 

CPU

 

 

 

 

 

 

 

Keyboard

 

LSI14

 

KI1 ~ KI5

 

 

 

HD6433294A19F

 

 

 

Power Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FI0 ~ FI7

 

 

 

POWER

 

 

 

 

 

KC0 ~

 

 

 

 

Reset IC

 

SI0 ~ SI7

 

 

 

 

IC5

 

 

KC7

 

 

RESET

 

 

 

 

 

RH5VL36AA

 

 

 

A0 ~

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A14

 

 

 

 

 

 

 

 

D0~D7

Working Storage RAM

 

 

Key Controller

 

 

 

LSI107

 

 

 

(64K-bit)

 

 

 

 

HG52E35P

 

 

 

LSI105

 

 

 

 

 

A0 ~ A2

A0 ~ A14

 

SRM2264LM90-B

 

 

 

 

 

 

 

 

 

 

 

 

A0 ~ A3

Effect RAM

EA0 ~ EA14

DSP

RA0 ~ RA19

Sound Source ROM

(256K-bit)

LSI103

LC33832M-70

ED0 ~ ED7

LSI102

HG51B115FD

RD0 ~ RD15

(16M-bit)

LSI101

TC5316200CF-C112

WCK1 SLOP BCK

D/A Converter

LSI104

UPD6376GS

Output

Speakers

 

 

 

 

 

 

 

 

Filter

 

Filter

 

 

IC101

 

IC101

 

 

 

 

 

 

 

 

Main

Volume

Power Amplifier

IC402

LA4598

VC LVDD DVDD

VCC AVDD VDD

Power Supply Circuit

IC401, Q401 ~ Q405

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Contents WK-1500 Contents SpecificationsMidi ElectricalIN, OUT Block Diagram Reset RH5VL36AACircuit Description KEY MatrixNomenclature of Keys Power Supply CircuitButton Matrix Digital Signal Processor LSI11 HG51B155FD-1 CE1, Trsb GND7VCC6 CK0Eoeb VCC7Eceb VCC4KEY Controller LSI16 HG52E35P Filter Block Power Amplifier IC201 LA4620 Reset CircuitLED Driving CPUMajor Waveforms CH1 CH2CH2 CH3 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.