Toshiba libretto U100 Maintenance Manual page 57

2.3 Power Supply Troubleshooting
1R35-P1V output (P73)
Error code
C0h
C1h
C2h
C3h
C4h
1R25-P1V output (P75)
Error code
D0h
D1h
D2h
D3h
D4h
2R5-B2V output (P77)
Error code
E0h
E1h
E2h
E3h
E4h
libretto U100 Maintenance Manual (960-520)
1R35-P1V voltage is over 1.62V, when the computer is powered
on/off.
1R35-P1V voltage is 0.68 V or under, when the computer is powered
on.
1R35-P1V voltage is 0.68 V or under, when the computer is booting
up.
1R35-P1V voltage is 0.68 V or over, when the computer is powered
off.
1R35-P1V voltage is 0.68 V or under, when the computer is
suspended.
1R25-P1V voltage is over 1.50 V, when the computer is powered
on/off.
1R25-P1V voltage is 1.063 V or under, when the computer is powered
on.
1R25-P1V voltage 1.063 V or under, when the computer is booting up.
1R25-P1V voltage is 1.063 V or over, when the computer is powered
off.
1R25-P1V voltage is 1.063 V or under, when the computer is
suspended.
2R5-B2V voltage is over 3.00 V, when the computer is powered on/off.
2R5-B2V voltage is 2.125 V or under, when the computer is powered
on.
2R5-B2V voltage is 2.125V or under, when the computer is booting up.
2R5-B2V voltage is 2.125 V or over, when the computer is powered
off.
2R5-B2V voltage is 2.125 V or under when the computer is
suspended.
2 Troubleshooting Procedures
Meaning
Meaning
Meaning
[CONFIDENTIAL] 2-13