Classifi cation Parts Name PCB Name Components
Main PCB PCB ASSY/MDA1 M821-MDA1
MPU, LCD Controller, Keyboard LED
Controller, Reset IC, Buttons,
Right Speaker Terminal
Power Amp PCB PCB ASSY/PSA1 MX820-PSA1
Power Supply Circuit, Power Ampli er,
Power Switch, Volume, Buttons,
DC 9.5 V Jack, Left Speaker Terminal,
Phones/Output Jack
Keyboard LED
PCB
PCB ASSY/LDA
M821-LDA1
Keyboard LED
M821-LDA2
PCB ASSY/LD3M CSM446-LD3M
PCB ASSY/LD4M CSM446-LD4M
PCB ASSY/LD5M CSM446-LD5M
Keyboard PCB PCB ASSY/KYA
M800-KYA1
Keyboard
M800-KYA2