Casio CASSIOPEIA A-20 Service Manual & Parts List page 61

5. Remove three screws (56) from the hinge on tilt unit side then open the diplay at an angle of
about 45 degrees and slide it sideways.
6. Remove the hinges and place the cases flat as shown below.
7. Hold two FPCs togother and roll them up as shown below.
8. Lift up the main board side, then tilt the case with the board and pass the rolled up FPCs through the
hole of the case and separate the keyboard case.
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