Toshiba PORTEGE M400 Maintenance Manual page 61

2.3 Power Supply Troubleshooting
Check 3
Check 4
Check 5
PORTEGE M400 Maintenance Manual (960-541)
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PPV output (P65_CH1)
Error code Meaning
D0h PPV voltage is over 1.80V.
D1h PPV voltage is 0.32V or less when the computer is powered on.
D2h PPV voltage is 0.32V or less at booting up.
PTV output (P66_CH1)
Error code Meaning
E0h PTV voltage is over 1.32V.
E1h PTV voltage is 0.85V or less when the computer is powered on.
E2h PTV voltage is 0.85V or less at booting up.
In the case of error code 10h or 12h, go to Procedure 3.
In the case of error code 2*h, go to Check 3 of Procedure 3.
For any other errors, go to Procedure 5.
2 Troubleshooting
[CONFIDENTIAL] 2-13