Toshiba Tecra A2-S239 Maintenance Manual - Page 66

E5V output, E3V output P66, PPV output P63, PMV output P64

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2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting q E5V output (P65) Error code Meaning 90h E5V voltage is over 6.00V when the computer is powered on/off. 91h E5V voltage is 4.50V or less when the computer is powered on. 92h E5V voltage is 4.50V or less when the computer is booting up. 93h E5V voltage is 4.50V or more when the computer is powered off. 94h E5V voltage is 4.50V or less when the computer is suspended. q E3V output (P66) Error code Meaning A0h E3V voltage is over 3.96V when the computer is powered on/off. A1h E3V voltage is 2.81V or less when the computer is powered on. A2h E3V voltage is 2.81V or less when the computer is booting up. A3h E3V voltage is 2.81V or more when the computer is powered off. A4h E3V voltage is 2.81V or less when the computer is suspended. q PPV output (P63) Error code Meaning B0h PPV voltage is over 1.80V when the computer is powered on/off. B1h PPV voltage is 0.56V or less when the computer is powered on. B2h PPV voltage is 0.56V or less when the computer is booting up. B3h PPV voltage is 0.56V or more when the computer is powered off. q PMV output (P64) Error code Meaning C0h PMV voltage is over 1.62V when the computer is powered on/off. C1h PMV voltage is 1.02V or less when the computer is powered on. C2h PMV voltage is 1.02V or less when the computer is booting up. C3h PMV voltage is 1.02V or more when the computer is powered off. C4h PMV voltage is 1.02V or less when the computer is suspended. 2-12 Satellite A50/TECRA A2 Maintenance Manual (960-478)

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2
Troubleshooting Procedures
2.3
Power Supply Troubleshooting
2-12
Satellite A50/TECRA A2
Maintenance Manual (960-478)
q
E5V output
(P65)
Error code
Meaning
90h
E5V voltage is over 6.00V when the computer is powered on/off.
91h
E5V voltage is 4.50V or less when the computer is powered on.
92h
E5V voltage is 4.50V or less when the computer is booting up.
93h
E5V voltage is 4.50V or more when the computer is powered off.
94h
E5V voltage is 4.50V or less when the computer is suspended.
q
E3V output (P66)
Error code
Meaning
A0h
E3V voltage is over 3.96V when the computer is powered on/off.
A1h
E3V voltage is 2.81V or less when the computer is powered on.
A2h
E3V voltage is 2.81V or less when the computer is booting up.
A3h
E3V voltage is 2.81V or more when the computer is powered off.
A4h
E3V voltage is 2.81V or less when the computer is suspended.
q
PPV output (P63)
Error code
Meaning
B0h
PPV voltage is over 1.80V when the computer is powered on/off.
B1h
PPV voltage is 0.56V or less when the computer is powered on.
B2h
PPV voltage is 0.56V or less when the computer is booting up.
B3h
PPV voltage is 0.56V or more when the computer is powered off.
q
PMV output (P64)
Error code
Meaning
C0h
PMV voltage is over 1.62V when the computer is powered on/off.
C1h
PMV voltage is 1.02V or less when the computer is powered on.
C2h
PMV voltage is 1.02V or less when the computer is booting up.
C3h
PMV voltage is 1.02V or more when the computer is powered off.
C4h
PMV voltage is 1.02V or less when the computer is suspended.