Toshiba Portege 2000 Maintenance Manual page 47

2.3 Power Supply Troubleshooting
PPV output
Error code
70h
71h
72h
73h
PTV output
Error code
80h
81h
82h
83h
2R5-E2V output
Error code
90h
91h
92h
93h
EMV output
Error code
A0h
A1h
A2h
A3h
Portege 2000 Maintenance Manual (960-333)
Meaning
PPV voltage is over 1.68V when the computer is powered on/off.
PPV voltage is 0.68V or less when the computer is powered on.
PPV voltage is 0.68V or less when the computer is booting up.
PPV voltage is 0.68V or more when the computer is powered off.
Meaning
PTV voltage is over 1.50V when the computer is powered on/off.
PTV voltage is 1.00V or less when the computer is powered on.
PTV voltage is 1.00V or less when the computer is booting up.
PTV voltage is 1.00V or more when the computer is powered off.
Meaning
2R5-E2V voltage is over 3.00V when the computer is powered on.
2R5-E2V voltage is 2.125V or less when the computer is powered on.
2R5-E2V voltage is 2.125V or less when the computer is booting up.
2R5-E2V voltage is abnormal while the computer is suspended.
Meaning
EMV voltage is over 3.00V when the computer is powered on.
EMV voltage is 1.53V or less when the computer is powered on.
EMV voltage is 1.53V or less when the computer is booting up.
EMV voltage is abnormal while the computer is suspended.
EMV voltage is over 1.53V when the computer is powered off.
2 Troubleshooting
2-11