2.3 Power Supply Troubleshooting

2 Troubleshooting Procedures

 

‰ 1R25-B1V output

 

 

 

 

 

 

 

 

 

Error code

 

Meaning

 

 

 

 

 

 

C0h

1R25-B1V voltage is over 1.50 V, when the computer is powered

 

 

 

on/off.

 

 

 

 

 

 

 

C1h

1R25-B1V voltage is 1.063 V or under, when the computer is powered

 

 

 

on.

 

 

 

C2h

1R25-B1V voltage is 1.063 V or under, when the computer is booting

 

 

 

up.

 

 

 

C3h

1R25-B1V voltage is 1.063 V or over, when the computer is powered

 

 

 

off.

 

 

 

 

 

 

 

C4h

1R25-B1V voltage is 1.063 V or under when the computer is

 

 

 

suspended.

 

 

‰ 1R25-B1V output

 

 

 

 

 

 

 

 

 

Error code

 

Meaning

 

 

 

 

 

 

D0h

1R25-B1V voltage is over 1.50 V, when the computer is powered

 

 

 

on/off.

 

 

 

D1h

1R25-B1V voltage is 1.063 V or under, when the computer is powered

 

 

 

on.

 

 

 

D2h

1R25-B1V voltage is 1.063 V or under, when the computer is booting

 

 

 

up.

 

 

 

 

 

 

 

D3h

1R25-B1V voltage is 1.063 V or over, when the computer is powered

 

 

 

off.

 

 

 

D4h

1R25-B1V voltage is 1.063 V or under when the computer is

 

 

 

suspended.

 

 

‰ 2R5-B2V output

 

 

 

 

 

 

 

 

 

Error code

 

Meaning

 

 

 

 

 

 

E0h

2R5-B2V voltage is over 3.00 V, when the computer is powered on/off.

 

 

 

 

 

 

E1h

2R5-B2V voltage is 2.125 V or under, when the computer is powered

 

 

 

on.

 

 

 

E2h

2R5-B2V voltage is 2.125 V or under, when the computer is booting

 

 

 

up.

 

 

 

E3h

2R5-B2V voltage is 2.125 V or over, when the computer is powered

 

 

 

off.

 

 

 

 

 

 

 

E4h

2R5-B2V voltage is 2.125 V or under when the computer is

 

 

 

suspended.

 

 

Satellite A40 Maintenance Manual (960-458)

2-13

Page 69
Image 69
Toshiba A40 manual ‰ 1R25-B1V output