Procedure 2 Connection Check; Procedure 3 Charging Check - Toshiba Satellite L640D Maintenance Manual

Chapter 2 Troubleshooting Procedures
Procedure 2 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 is firmly plugged into the DC
IN connector PCN1/PCN8 (System Board) and wall outlet. If these cables are
connected firmly, 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 4.
 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 3 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
Check 2 Make sure the battery pack is properly installed. If it is properly installed, go to
Check 3.
Satellite L600D/L640D/L645D, Satellite Pro L600D/Pro L640D/Pro L645D Maintenance Manual (960-Q08)
socket.