Casio CTK-810 Service Manual page 10

■ To remove the main PCB (M708-MDA1).
6. Remove three screws on the PCB (M708-MDA1).
7. Remove two connectors by soldering.
8. Remove the PCB (M708-MDA1).
Connector (CN4)
■ To remove the sub PCB (M708-PSA1).
9. Remove four screws on the PCB (M708-PSA1).
10. Remove the connectors by soldering.
11. Remove five lead wires by soldering.
12. Remove the PCB (M708-PSA1).
Lead wires
■ To remove the console PCBs (M708-CNA1, CNA2).
13. Remove the volume knob.
14. Remove two screws on the PCB (M708-CNA2).
■ Precaution while assembling the main Connector 1.
Connector (CN1)
Connector (CN306)
– 8 –
Number of pins on the PCB and pins on the
cable are different.
Start connecting from the NO.1 pin whose color
is orange.
Connector (CN1)
12 pin
M708-PSA1 PCB
Knob
M708-CNA2 PCB
10 Pin