Step 11: Reassembly; Step 12: External Scsi Cable Connection - IBM 220 Service Manual

Step 11: Reassembly

This step describes the reassembly process.
1. Press the power switch to turn off the power.
2. Unplug the power cable from the electrical outlet.
3. Make sure that the power supply connector (J1) is plugged into the drive.
4. Make sure that the power supply connector (J2) is plugged into the cooling fan.
5. Make sure that all other cables are properly connected, and that the wires are
6. Perform the cover replacement procedure. Refer to "Removing and Replacing
7. Plug the power cable into the electrical outlet.
8. Press the power switch to turn on the power.
Does the power-on light come and stay on, and is there airflow from the fan?
NO
YES

Step 12: External SCSI Cable Connection

This step ensures that the external SCSI bus cable connection is proper.
DANGER
Ensure that the SCSI bus cable is properly connected to both the system unit and
to the 7206 Tape Drive.
Is the SCSI bus cable properly connected to the system unit and to the 7206
Tape Drive?
NO
YES
24
7206 Model 220 Service Guide
routed away from the cooling fan.
the Cover" on page 28.
Verify that the 7206 Tape Drive was reassembled correctly. If the power-on
light still does not come on and there is no airflow from the fan, go to Step
1: Power and Fan.
Go to Step 12: External SCSI Cable Connection.
To prevent a possible electrical shock when installing the device, ensure that
the power cord for that device is unplugged before installing signal cables.
(RSFTD204)
Plug the SCSI bus cable into the system unit and into the 7206 Tape Drive,
then go to Step 13: Terminator Connection.
Go to Step 13: Terminator Connection.