Power Supply Removal - IBM RT PC 10 Hardware Maintenance And Service

Power Supply Removal
1. Do the "Top Cover Removal" on page 4-12.
2. Disconnect the external power cable at the power supply.
3. If present, disconnect the display power cable at the power supply.
4. Remove the cooling fan assembly (page 4-36).
5. Disconnect the power cables from the system board (2), fixed-disk, and
diskette drive. If needed, slide the fixed-disk and diskette drives part
way out.
6. Disconnect the signal cables and ground wire from the fixed-disk and
diskette drives.
4-38 Service Manual
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Power Connector
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Ground
Wire