2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2-14 [CONFIDENTIAL] QOSMIO F20 Maintenance Manual (960-526)
Procedure 3 Connection Check
The wiring diagram related to the power supply is shown below:
Any of the connectors may be disconnected. Perform Check 1.
Check 1 Make sure the AC adapter and power cord are firmly plugged into the DC IN jack
and wall outlet. If these cables are connected correctly, go to Check 2.
Check 2 Make sure the DC-IN cable is firmly plugged to the connector CN8800 on the
system board. If the cable is connected correctly, go to Check 3.
Check 3 Replace the AC adapter and the AC power cord with new ones.
? If the DC IN icon does not light, go to Procedure 5.
? If the battery icon does not light, go to Check 4.
Check 4 Make sure the battery pack is installed in the computer correctly. If the battery is
properly installed and the battery icon still does not light, go to Procedure 4.
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