Classifi cation
Main PCB
PCB ASSY/MDA1
Power Amp PCB PCB ASSY/PSA1
Keyboard PCB
PCB ASSY/KYA
PCB INFORMATION
M820-PSA1
M800-KYA1
Parts Name
M820-MDA1
MX820-PSA1
M800-KYA1
M800-KYA2
PCB Name
MPU, LCD Controller, Reset IC,
Buttons, Right Speaker Terminal
Power Supply Circuit, Power Amplifi er,
Power Switch, Volume, Buttons,
DC 9.5V Jack, Left Speaker Terminal,
Phones/Output Jack
Keyboard
– 3 –
CTK-1100
M820-MDA1
M800-KYA2
Components