Toshiba Portege R500 Maintenance Manual - Page 52

2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting 2.3 Power Supply Troubleshooting The power supply 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: Icons in the LCD Check Procedure 2: Error Code Check Procedure 3: Connection Check Procedure 4: Charge Check Procedure 5: Replacement Check Procedure 1 Icons in the LCD Check The following Icons in the LCD indicate the power supply status: ‰ Battery icon ‰ DC IN icon The power supply controller displays the power supply status through the Battery icon and the DC IN icon in the LCD as listed in the tables below. To check the power supply status, install a battery pack and connect an AC adaptor. Table 2-1 Battery icon Battery icon Lights orange Lights green Flashes orange Doesn't light Power supply status Battery has been charging and AC adapter is connected. Battery is fully charged and AC adapter is connected. Battery charge is low. The AC adaptor must be connected to recharge the battery. Any condition other than those above. DC IN icon Lights green Flashes orange Doesn't light Table 2-2 DC IN icon Power supply status DC power is being supplied from the AC adapter. There is a problem with the power supply. Any condition other than those above. 2-6 [CONFIDENTIAL] PORTEGE R500 Maintenance Manual (960-634)