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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures
PORTEGE A100 Maintenance Manual (960-460) 2-11
q 1R5-C1 output
Error code Meaning
50h 1R5-C1 voltage is over 1.8V when the computer is powered on/off.
51h 1R5-C1 voltage is 1.275V or less when the computer is powered on.
52h 1R5-C1 voltage is 1.275V or less when the computer is booting up.
53h 1R5-C1 voltage is 1.275V or less while the computer is suspended.
54h 1R5-C1 voltage is abnormal during shutdown. (CV support)
55h 1R5-C1 voltage is 1.275V or less when the computer is booting up.
(CV support)
q 1R8-C1 output
Error code Meaning
60h 1R8-C1 voltage is over 2.16V when the computer is powered on/off.
61h 1R8-C1 voltage is 1.53V or less when the computer is powered on.
62h 1R8-C1 voltage is 1.53V or less when the computer is booting up.
63h 1R8-C1 voltage is 1.53V or less while the computer is suspended.
64h 1R8-C1 voltage is abnormal during shutdown. (CV support)
65h 1R8-C1 voltage is 1.53V or less at power-on. (CV support)
q PPV output
Error code Meaning
70h PPV voltage is over 1.80V when the computer is powered on/off.
71h PPV voltage is 0.56V or less when the computer is powered on.
72h PPV voltage is 0.56V or less when the computer is booting up.
73h PPV voltage is 0.56V or more when the computer is powered off.
q PTV output (CH0)
Error code Meaning
80h PTV voltage is over 1.26V when the computer is powered on/off.
81h PTV voltage is 0.89V or less when the computer is powered on.
82h PTV voltage is 0.89V or less when the computer is booting up.
83h PTV voltage is 0.89V or more when the computer is powered off.
84h PTV voltage is 0.89V or less when the computer is suspended.