Casio CTK-900 Service Manual page 12

I To remove the sub PCB (M705-MA2M).
6. Remove five screws on the PCB (M705-MA2M).
7. Remove three connectors on the PCB (M705-MA2M) by soldering.
8. Remove six lead wires on the PCB (M705-MA2M) by soldering.
9. Remove the PCB (M705-MA2M).
Speaker cord (orange)
Speaker cord (white)
Connector (JB)
I To remove LCD PCB (M705-LCD1M).
10. Remove six screws on the PCB ( M705-LCD1M).
Note: Tighten screws in order 1 to 6 as the figure shown below while reassembling.
4
1
Connector (JB)
6
3
5
2
Battery cord (black)
Connector (JB)
— 10 —
Speaker cord (blue)
Speaker cord (white)
Battery cord (red)