Toshiba PORTEGE M300 Maintenance Manual page 62

2.3 Power Supply Troubleshooting
1R5-C1V output (P61)
Error code
50h 1R5-C1V voltage is over 1.80 V when the computer is powered on/off.
51h 1R5-C1V voltage is 1.275V or less when the computer is powered on.
52h 1R5-C1V voltage is 1.275V or less when the computer is booting up.
53h 1R5-C1V voltage is 1.275V or less when the computer is suspended.
54h 1R5-C1V voltage is not normal when the computer is shut down.
(CV support)
55h 1R5-C1V voltage is 1.275V or less at power on. (CV support)
1R5-C1V output (P62)
Error code
60h 1R5-C1V voltage is over 2.16 V when the computer is powered on/off.
61h 1R5-C1V voltage is 1.275V or less when the computer is powered on.
62h 1R5-C1V voltage is 1.275V or less when the computer is booting up.
63h 1R5-C1V voltage is 1.275V or less when the computer is suspended.
64h 1R5-C1V voltage is not normal when the computer is shut down.
(CV support)
65h 1R5-C1V voltage is 1.275V or less at power on. (CV support)
PPV output (P63 :MUX_CH0)
Error code
70h PPV voltage is over 1.80 V when the computer is powered on/off.
71h PPV voltage is 0.56 V or less when the computer is powered on.
72h PPV voltage is 0.56 V or less when the computer is booting up.
73h PPV voltage is 0.56 V or over when the computer is powered off.
PTV output (P64)
Error code
80h PTV voltage is over 1.80 V when the computer is powered on/off.
81h PTV voltage is 0.68 V or less when the computer is powered on.
82h PTV voltage is 0.68 V or less when the computer is booting up.
83h PTV voltage is 0.68 V or over when the computer is powered off.
84h PTV voltage is 0.68 V or less when the computer is suspended.
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2 Troubleshooting Procedures
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PORTEGE M300 Maintenance Manual (960-504)