Service manual
4. DISASSEMBLY AND ASSEMBLY
4.4 Service Manual CNS-9701
5. Disconnect each power supply cable from the hard disk and floppy disk drive.
6. Remove the disk case from the main unit by pulling the hook of the disk case and
sliding the hook rearward as shown below.
7. Disconnect the power supply cable from the motherboard.
NOTE in Assembling the Main Unit
To attach the disk case to the main unit, continue pulling the hook and
slide it in the hole of the chassis frontward until the hook clicks.