Toshiba libretto U100 Maintenance Manual page 56

2 Troubleshooting Procedures
PTV output (P64)
Error code
80h
81h
82h
83h
84h
E5V output (P65)
Error code
90h
91h
92h
93h
94h
E3V output (P66)
Error code
A0h
A1h
A2h
A3h
A4h
PPV output (P63:CH1)
Error code
B0h
B1h
B2h
B3h
2-12 [CONFIDENTIAL]
PTV voltage is over 1.26 V, when the computer is powered on/off.
PTV voltage is 0.68 V or under, when the computer is powered on.
PTV voltage is 0.68 V or under, when the computer is booting up.
PTV voltage is 0.68 V or over, when the computer is powered off.
PTV voltage is 0.68 V or under, when the computer is suspended.
E5V voltage is over 6.00V, when the computer is powered on/off.
E5V voltage is 4.50 V or under, when the computer is powered on.
E5V voltage is 4.50 V or under, when the computer is booting up.
E5V voltage is 4.50 V or over, when the computer is powered off.
E5V voltage is 4.50 V or under, when the computer is suspended.
E3V voltage is over 3.96 V, when the computer is powered on/off.
E3V voltage is 2.81 V or under, when the computer is powered on.
E3V voltage is 2 .81 V or under, when the computer is booting up.
E3V voltage is 2.81 V or over, when the computer is powered off.
E3V voltage is 2.81 V or under when the computer is suspended.
PPV voltage is over 1.80 V, when the computer is powered on/off.
PPV voltage is 0.56 V or under, when the computer is powered on.
PPV voltage is 0.56 V or under, when the computer is booting up.
PPV voltage is 0.56 V or over, when the computer is powered off.
2.3 Power Supply Troubleshooting
Meaning
Meaning
Meaning
Meaning
libretto U100 Maintenance Manual (960-520)