Toshiba PORTEGE R400 Maintenance Manual page 50

2 Troubleshooting Procedures
PPV output
Error code
90h
91h
92h
PTV output
Error code
A0h
A1h
A2h
1R5-E1V output
Error code
B0h
B1h
B2h
B4h
1R8-B1V output
Error code
C0h
C1h
C2h
C4h
PPV output
Error code
D0h
D1h
D2h
2-12 [CONFIDENTIAL]
PPV voltage is over 1.80V when the computer is powered on/off.
PPV voltage is under 0.32V when the computer is powered on.
PPV voltage is under 0.32V when the computer is booting up.
PTV voltage is over 1.26V when the computer is powered on/off.
PTV voltage is under 0.89V when the computer is powered on.
PTV voltage is under 0.89V when the computer is booting up.
1R5-E1V voltage is over 1.80V when the computer is powered on/off.
1R5-E1V voltage is under 1.275V when the computer is powered on.
1R5-E1V voltage is under 1.275V when the computer is booting up.
1R5-E1V voltage is under 1.275V when EV power is maintained and
OUTV7=EV is designated.
1R8-B1V voltage is over 2.16V when the computer is powered on/off.
1R8-B1V voltage is under 1.53V when the computer is powered on.
1R8-B1V voltage is under 1.53V when the computer is booting up.
1R8-B1V voltage is under 1.53V when BV power is maintained and
OUTV8=BV is designated.
PPV voltage is over 1.80V when the computer is powered on/off.
PPV voltage is under 0.32V when the computer is powered on.
PPV voltage is under 0.32V when the computer is booting up.
Meaning
Meaning
Meaning
Meaning
Meaning
PORTEGE R400 Maintenance Manual (960-623)