2.3 Power Supply Troubleshooting

2 Troubleshooting Procedures

‰A-C3V output

Error code

Meaning

 

 

60h

A-C3V voltage is over 3.96V when the computer is powered on/off.

 

 

61h

A-C3V voltage is 2.81V or less when the computer is powered on.

 

 

62h

A-C3V voltage is 2.81V or less when the computer is booting up.

 

 

63h

A-C3V voltage is 2.81V or less while the computer is suspended.

 

 

64h

A-C3V voltage is abnormal while the computer is shutdown. (CV support)

 

 

65h

A-C3V voltage is 2.81V or less when the computer is booting up. (CV support)

 

 

‰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.

 

 

‰ PTV

Error code

Meaning

 

 

80h

PTV voltage is over 1.26V when the computer is powered on/off.

 

 

81h

PTV voltage is 0.68V or less when the computer is powered on.

 

 

82h

PTV voltage is 0.68V or less when the computer is booting up.

 

 

83h

PTV voltage is 0.68V or more when the computer is powered off.

 

 

84h

PTV voltage is 0.68V or less while the computer is suspended.

 

 

‰E5V output

Error code

Meaning

 

 

90h

E5V voltage is over 6.00V when the computer is powered on/off.

 

 

91h

E5V voltage is 4.50V or less when the computer is powered on.

 

 

92h

E5V voltage is 4.50V or less when the computer is booting up.

 

 

93h

E5V voltage is 4.50V or more when the computer is powered off.

 

 

94h

E5V voltage is 4.50V or less while the computer is suspended.

 

 

2-12

[CONFIDENTIAL]

QOSMIO G20 Maintenance Manual (960-511)

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Toshiba QOSMIO G20 manual ‰ Ptv