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Toshiba satellite A20 series Maintenance Manual page 64

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Table of Contents

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2 Troubleshooting Procedures
PPV output
Error code
B0h
B1h
B2h
B3h
EMV output
Error code
C0h
C1h
C2h
C3h
C4h
2R5-E2V output
Error code
D0h
D1h
D2h
D3h
D4h
1R25-B1V output
Error code
E0h
E1h
E2h
E3h
E4h
2-14
PPV voltage is over 1.92V when the computer is powered on or off.
PPV voltage is 1.04V or less when the computer is powered on.
PPV voltage is 1.04V or less when the computer is booting up.
PPV voltage is 1.04V or more when the computer is powered off.
EMV voltage is over 3.00V when the computer is powered on/off.
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 1.53V or more when the computer is powered off.
EMV voltage is 1.53V or less when the computer is suspended.
2R5-E2V voltage is over 3.00V when the computer is powered on/off.
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 2.125V or more when the computer is powered off.
2R5-E2V voltage is 2.125V or less when the computer is suspended.
1R25-B1V voltage is over 1.50V when the computer is powered on/off.
1R25-B1V voltage is 1.063V or less when the computer is powered on.
1R25-B1V voltage is 1.063V or less when the computer is booting up.
1R25-B1V voltage is 1.063V or more when the computer is powered off.
1R25-B1V voltage is 1.063V or less when the computer is suspended.
2.3 Power Supply Troubleshooting
Meaning
Meaning
Meaning
Meaning
Satellite A20 Maintenance Manual (960-444)
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