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M709-KYA1
Parts Name
Main PCB
PCB UNIT/MAIN
Power & Amp PCB
BACK LIGHT UNIT
Keyboard PCB
PCB UNIT/KYA
PCB INFORMATION
M829-PSA1
PCB Name
MPU, SRAM, Flash memory, Power supply circuit, Filter,
M822-MDA1
SUSTAIN/ASSIGNABLE jack, USB port
Power supply circuit, Power amplifi er, Filters,
LCD controller/driver, Button controller, LCD, Buttons,
M829-PSA1
Power switch, Main volume, Mic volume, DC terminal,
AUDIO IN jack, PHONES/OUTPUT jack,
MIC IN/SAMPLING jack, Speakers
M709-KYA1
Keyboard
M709-KYA2
M822-MDA1
Functions
– 4 –
WK-240
M709-KYA2
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