Casio CTK-750 manual Schematic Diagrams

Page 19

SCHEMATIC DIAGRAMS

Main PCB M5712-MA1M

 

 

 

11.4

25

5.2

 

 

 

5.3

 

11.6

10.9

11.6

5.9

 

 

 

 

2.6

2.6

 

 

 

 

 

0.0

 

11.6

5.3

2.6

 

0.7

 

 

 

 

 

 

 

 

0.0

 

10.9

24

 

 

 

 

 

 

 

 

 

 

23

3.2

21

2.6

18 19 20

5.222

7

5.2

2.6

0.0

 

 

2.6

 

2.6

5.1

 

 

11.8

 

 

11.0

 

5.2

5.8

1

 

 

 

3.4

29 28

27

3.2

5

2.6

13

12

14 15

6

16 17

 

4

0.7

2

8 9 10 11

5.3

26

0.0

3

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Image 19
Contents CTK-750 Contents General SpecificationsElectrical Replacing the DSP HG51A115A01FDUPD6376CX Block DiagramKey Matrix Circuit DescriptionMidi Reset CircuitNomenclature of Keys Button MatrixPin No Terminal In/Out Function CPU HD6433298A18PGate Array UPD65005C-578 Digital Signal Processor HG51A115A01FD Block diagram of DSP and DAC circuit Key Touch LSI HG52E35P Filter Block Avdd Power Amplifier LA4620Power Supply Circuit Name Voltage For operationM5712-CN1M Wiring DiagramMajor Waveforms Page PCB View and Major Check Points Schematic Diagrams Console PCB M5712-CN1M Keyboard PCBs M615T-KY1M, KY2M Exploded View PC900V IC Lead Identification and Internal DiagramS8053ANO M5218APREB C E Q2 2SD1762E,F Q4 2SB1274Be C B Parts List N N FOB Japan Code No Parts Name Specification Yen Unit Price Lower Case Screws MA0300941A