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2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2-14 [CONFIDENTIAL] PORTÉGÉ M500 Maintenance Manual (960-559)
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.
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.
PTV output
Error code Meaning
E0h PTV voltage is over 1.26V when the computer is powered on/off.
E1h PTV voltage is under 0.89V when the computer is powered on.
E2h PTV voltage is under 0.89V when the computer is booting up.
Miscellaneous
Error code Meaning
F0h The sub clock does not oscillate.