Casio WK-1500 manual Printed Circuit Boards, Main PCB JCM717-MA1M

Page 14

PRINTED CIRCUIT BOARDS

MAIN PCB JCM717-MA1M

4

6

7

R124

R123

R122

R121

R120

R119

R118

R117

R116

R115

R114

C144

C140

R96 C103

R85

C98

R86

R87

R95

R88

C141

R89

 

R90

C142

C99

 

R91

C80

C146

LSI11 C81

 

C151

 

C12

C35

C34

R26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q12

 

 

 

 

 

 

 

 

 

 

C78

 

 

 

 

 

R11

 

 

 

 

C14

C11

 

Q11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C76

 

 

 

 

 

 

R12

R13

R14

 

 

 

 

 

 

 

 

 

 

 

 

C16

C15

 

 

 

 

C77

C20

C21

C22

C23

C24

C30

C29

C26

C25

C27

8

5

R113

R112

R111

R110

R109

C71

FB52 C73 R68

C149

R83

R82

 

R81

R80

R79

R78

EF2

C87

R69 FB51 C74

C153

C147

C152

 

 

C28

C31

C32

C33

3

R108

R107

R106

R105

R104

R103

R102

R101

R100

R99

R98

R97

C143

 

MR17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MR16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R94 C102

 

 

 

 

 

 

 

 

 

C101

C84C150

 

R92

R75

C93

C89

R93

C100

FB54

 

 

 

 

 

 

 

 

 

 

 

 

C85

 

 

FB55

C133

 

 

 

 

R71

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LSI15

 

 

 

LSI14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R160

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C55

C56

C57

C58

C59

C60

C61

C62

C63

C64

C65

C66

C67

C68

C69

C70

C54

Q14

D12

Q13 D11

C47

C46

C45

C35

C44

C34

C43

R26

C42

FB26

IC12

C37

C41

C40

C39

C38

C49

C48

C50

C51

Top view

2

11

10

9

 

 

 

C104

C105

C106

C107

C108

C109

C110

C111

C112

C113

C114

C115

C116

C117

JA 1

 

 

 

 

NO. JE16

FB

 

 

 

 

 

 

 

50 R60 R61 R62

R63

R64 R65 R66

 

FB

37

R52

R53

R54

R55

R56

R57 R58

R59

 

FB57

43

44

45

46

47

48

49

1

 

 

 

 

JF15

 

 

 

 

 

 

C90 C91

 

X12

C92

R150 C132

 

Q15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D20

R43

R42

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MR14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C97

 

Q16

Q17

Q18

 

 

 

R74

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R70

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C88

D13

 

 

FB56

R84

 

 

MR12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC13

 

 

 

 

R44

R45

R46

R47

R48

R49

R50

R51

 

 

 

 

LSI17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

￿@ 14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MR11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

35

34

33

32

31

 

 

 

 

 

EF1

 

 

 

 

 

 

 

 

R41

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

29

28

39

38

 

 

 

 

 

 

 

 

 

 

R40

R39

R38

R37

R36

R35

R34

R33

R32

R31

40

41

42

 

 

 

 

 

 

 

 

 

 

C36

FB25

FB24

1

JG15

C118

C119

C120

C121

C122

C123

C124

C125

1

 

 

 

 

R73

R72

C86

R67

C75

 

 

 

 

 

 

 

 

 

 

 

X11

C82

R27

 

C95

 

 

 

 

 

 

 

R28

R29

R30

C52

FB23

 

FB20

 

FB19

1

FB17

FB16

 

FB18

 

FB21

 

C126

C127

C128

C129

C130

C131

LSI16

JB 14

C83

C145

C79

C13 R140

 

 

 

 

 

 

 

FB22

R25

 

 

 

 

 

FB15

 

 

 

 

 

FB14

R24

 

 

 

 

FB13

R23

 

 

 

 

 

FB12

 

 

 

 

 

 

 

FB11

R22 R21

1

 

 

JCM717-MA1M B

LSI13

R18

R19

R20

LSI12

 

 

 

LC11

Bottom view

12 13 14

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Image 14
Contents WK-1500 Contents SpecificationsIN, OUT ElectricalMidi Block Diagram Reset RH5VL36AACircuit Description KEY MatrixButton Matrix Power Supply CircuitNomenclature of Keys 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.