Toshiba Satellite A300 Maintenance Manual - Page 83

Power Supply Troubleshooting, Procedure 1, Power Status Check

Page 83 highlights

2 Troubleshooting Procedures 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 LCD indicates the power supply status: ‰ Battery LCD ‰ DC IN LCD The Power Supply control displays the power supply status with the Battery and the DC IN LCD as listed in the tables below. Table 2-1 Battery icon Battery icon Lights orange Lights white Blinks orange (even intervals) Blinks orange once (at being switched on) Doesn't light Power supply status Battery is charged and the external DC is input. It has no relation with ON/OFF of the system power. Battery is fully charged and the external DC is input. It has no relation with ON/OFF of the system power. The battery level is low while the system power is ON. The system is driven by only a battery and the battery level is low. Any condition other than those above. Satellite A300 Maintenance Manual (960-Q08) 7

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2 Troubleshooting Procedures
Satellite A300
Maintenance Manual (960-Q08)
7
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 LCD indicates the power supply status:
Battery LCD
DC IN LCD
The Power Supply control displays the power supply status with the Battery and the DC IN
LCD 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
white
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.
Blinks orange once
(at being switched on)
The system is driven by only a battery and the battery level
is low.
Doesn’t light
Any condition other than those above.