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WK-1500 manual Schematic Diagrams, Main PCB JCM717-MA1M
Models:
WK-1500
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23 pages
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Parts list
Block Diagram
Reset Circuit
Power Supply Circuit
Page 15
Image 15
SCHEMATIC DIAGRAMS
MAIN PCB
JCM717-MA1M
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Image 15
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Contents
WK-1500
Specifications
Contents
Electrical
Midi
IN, OUT
Reset RH5VL36AA
Block Diagram
KEY Matrix
Circuit Description
Power Supply Circuit
Nomenclature of Keys
Button Matrix
Digital Signal Processor LSI11 HG51B155FD-1
CK0
CE1, Trsb
GND7
VCC6
VCC4
Eoeb
VCC7
Eceb
KEY Controller LSI16 HG52E35P
Filter Block
CPU
Power Amplifier IC201 LA4620
Reset Circuit
LED Driving
CH1 CH2 C CH3
Major Waveforms
CH1 CH2
CH2 CH3
Main PCB JCM717-MA1M
Printed Circuit Boards
Main PCB JCM717-MA1M
Schematic Diagrams
SUB 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