Checking The Ac Adapter; Checking The Car Battery Adapter; Checking The Battery Pack; Checking The Backup Battery - IBM PS/2 N51 SX Hardware Maintenance Service

Replace the voltage converter to verify the fix.
remains, do the following.
- Suspect one of the options or devices.
devices to the system one at a time, and power-on the system to see if
the original problem occurs.
- Replace the last installed option or device when the problem occurs.
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Subtopics

5.1 Checking the AC Adapter

5.2 Checking the Car Battery Adapter

5.3 Checking the Battery Pack

5.4 Checking the Backup Battery

5.5 Checking the Standby Battery

5.6 Checking the Quick Charger

5.7 Checking the Voltage Converter

IBM PS/2 Model N51 SX HMS
Power Supply
If the problem still
Reinstall each of the options or
¦ Copyright IBM Corp. 1991
5.0 - 3