2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
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 the AC power cord are firmly plugged into the
DC IN 15 V socket and wall outlet. If these cables are connected correctly, go
to Check 2.
Check 2 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 3.
Check 3 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.
Procedure 4 Charging Check
Check if the power supply controller charges the battery pack properly. Perform the
following procedures:
Check 1 Make sure the AC adapter is firmly plugged into the DC IN socket.
Check 2 Make sure the battery pack is properly installed. If the battery is properly
installed, go to Check 3.
Check 3 The battery pack may be completely discharged. Wait a few minutes to charge
the battery pack while connecting the battery pack and the AC adapter. If the
battery pack is still not charged, go to Check 4.
Check 4 The battery’s temperature is too high or low. Return the temperature to normal
operating condition. If the battery pack is still not charged, go to Check 5.
Check 5 Replace the battery pack with a new one. If the battery pack is still not charged,
go to Procedure 5.
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL] 2-13
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