Toshiba Satellite A50S Series - 2.3 Power Supply Troubleshooting

2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2-6 [CONFIDENTIAL] Satellite A50S/TECRA A3X Maintenance Manual (960-534)
2.3 Power Supply Troubleshooting
The power supply controller controls many functions and components. To determine if the
power supply is functioning properly, start with Procedure 1 and continue with the other
Procedures as instructed. The procedures described in this section are:
Procedure 1: Power Status Check
Procedure 2: Error Code Check
Procedure 3: Connection Check
Procedure 4: Charging Check
Procedure 5: Replacement Check
Procedure 1 Power Status Check
The following icons indicate the power supply status:
 Battery icon
 DC IN icon
The power supply controller displays the power supply status with the Battery icon and the
DC IN icon as listed in the tables below.
Table 2-1 Battery icon
Battery icon Power supply status
Lights orange Battery is charged and the external DC is input. It has no relation with
ON/OFF of the system power.
Lights green Battery is fully charged and the external DC is input. It has no relation
with ON/OFF of the system power.
Blinks orange
(even intervals)
The battery level is low while the system power is ON.
Doesn’t light Any condition other than those above.
Table 2-2 DC IN icon
DC IN icon Power supply status
Lights green DC power is being supplied from the AC adapter.
Blinks orange Power supply malfunction
*1
Doesn’t light Any condition other than those above.
*1 When the power supply controller detects a malfunction, the DC IN icon
blinks orange. It shows an error code.