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2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2-12 [CONFIDENTIAL] TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
PPV output
Error code Meaning
90h PPV voltage is over 1.80V when the computer is powered on/off.
91h PPV voltage is under 0.32V when the computer is powered on.
92h PPV voltage is under 0.32V when the computer is booting up.
PTV output
Error code Meaning
A0h PTV voltage is over 1.26V when the computer is powered on/off.
A1h PTV voltage is under 0.89V when the computer is powered on.
A2h PTV voltage is under 0.89V when the computer is booting up.
1R5-E1V output
Error code Meaning
B0h 1R5-E1V voltage is over 1.80V when the computer is powered on/off.
B1h 1R5-E1V voltage is under 1.275V when the computer is powered on.
B2h 1R5-E1V voltage is under 1.275V when the computer is booting up.
B4h 1R5-E1V voltage is under 1.275V when EV power is maintained and
OUTV7=EV is designated.
1R8-B1V output
Error code Meaning
C0h 1R8-B1V voltage is over 2.16V when the computer is powered on/off.
C1h 1R8-B1V voltage is under 1.53V when the computer is powered on.
C2h 1R8-B1V voltage is under 1.53V when the computer is booting up.
C4h 1R8-B1V voltage is under 1.53V when BV power is maintained and
OUTV8=BV is designated.
PPV output
Error code Meaning
D0h PPV voltage is over 1.80V when the computer is powered on/off.
D1h PPV voltage is under 0.32V when the computer is powered on.
D2h PPV voltage is under 0.32V when the computer is booting up.