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Pcb Layout - Casio CTK-4000 Service Manual & Parts List

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PCB
MAIN PCB
M804-MDA1
SUB PCB
M804-PSA1
Console PCBs
M805-CNA1
M805-CNA2
M805-CNA3
M805-CNB1
M805-CNB2
Keyboard PCBs
M802-KYA1
M802-KYA2

PCB LAYOUT

M805-CNB2 PCB
M805-CNB1 PCB
M804-PSA1 PCB
M802-KYA1 PCB
MPU, Reset IC, SRAM(4Mbit), P2ROM(128Mbit), Key controller,
SD card, USB, Power supply circuit
Power supply circuit, Power amplifer, Phones terminal,
Phone terminal, Pedal, DC IN jack
LCD, LCD contorller, Button, Button contorller
Speaker
Speaker
Power SW, Button
Main volume
Keyboard
M804-MDA1 PCB
M802-KYA2 PCB
Components
– 4 –
M805-CNA1 PCB

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