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PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 2-19
With no error surveillance
Error code Meaning
A0h voltage is over 5.00V.
A1h voltage is under 0.00V when the computer is powered on.
A2h voltage is under 0.00V when the computer is booting up.
1R5-B1V output
Error code Meaning
B0h 1R5-B1V voltage is over 1.80V.
B1h 1R5-B1V voltage is under 1.28V when the computer is powered on.
B2h 1R5-B1V voltage is under 1.28V when the computer is booting up.
B3h 1R5-B1V power supply showed the normal range at the time of BV power supply
stop.
(Although the power supply should be Off(ed), power supply voltage was detected)
However, it restricts to the time when the "OUTV7 power-supply =BV power supply"
was specified.
1R05M-E1V output
Error code Meaning
C0h 1R05M-E1V voltage is over 1.26V.
C1h 1R05M-E1V voltage is under 0.00V when the computer is powered on.
C2h 1R05M-E1V voltage is under 0.00V when the computer is booting up.
PTV output
Error code Meaning
D0h PTV voltage is over 1.26V.
D1h PTV voltage is under 0.00V when the computer is powered on.
D2h PTV voltage is under 0.55V when the computer is booting up.