Casio LK-120 Service Manual & Parts Manual page 11

AAA. Turn over the panel unit.
AAA. Unsolder two battery lead wires.
AAA. Unsolder two FFCs.
AA6. Remove the panel unit.
Lead wire (Red)
Lead wire (Black)
M8A0APSA1 PCB
FFC (M800AKYAA)
M8A1AMDA1 PCB
– 9 –
LK-120
FFC (M8A1ALDAA)