Casio
CTK-750
manual
Specs
Parts list
Block Diagram
Reset Circuit
Power Amplifier LA4620
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R
(with price)
CTK-750
CTK-750
ELECTRONIC KEYBOARD
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Contents
CTK-750
Contents
General
Specifications
Electrical
Replacing the DSP HG51A115A01FD
UPD6376CX
Block Diagram
Key Matrix
Circuit Description
Nomenclature of Keys
Reset Circuit
Button Matrix
Midi
Pin No Terminal In/Out Function
CPU HD6433298A18P
Gate Array UPD65005C-578
Digital Signal Processor HG51A115A01FD
Block diagram of DSP and DAC circuit
Key Touch LSI HG52E35P
Filter Block
Power Supply Circuit
Power Amplifier LA4620
Name Voltage For operation
Avdd
M5712-CN1M
Wiring Diagram
Major Waveforms
Page
PCB View and Major Check Points
Schematic Diagrams
Console PCB M5712-CN1M
Keyboard PCBs M615T-KY1M, KY2M
Exploded View
S8053ANO
IC Lead Identification and Internal Diagram
M5218APR
PC900V
EB C E
Q2 2SD1762E,F Q4 2SB1274
Be C B
Parts List
N N
FOB Japan Code No Parts Name Specification Yen Unit Price
Lower Case
Screws
MA0300941A
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