2.3 Power Supply Troubleshooting

2 Troubleshooting Procedures

‰ E5V output

 

 

 

 

 

 

 

 

 

Error code

 

Meaning

 

 

 

 

 

 

50h

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

 

 

 

 

 

 

51h

E5V voltage is under 4.50V when the computer is powered on.

 

 

 

 

 

 

52h

E5V voltage is under 4.50V when the computer is booting up.

 

 

 

 

 

 

54h

E5V voltage is under 4.50V when EV power is maintained and

 

 

 

OUTV1=EV is designated.

 

 

‰ E3V output

 

 

 

 

 

 

 

 

Error code

 

Meaning

 

 

 

 

 

 

60h

E3V voltage is over 3.96V when the computer is powered on/off.

 

 

 

 

 

 

61h

E3V voltage is under 2.81V when the computer is powered on.

 

 

 

 

 

 

62h

E3V voltage is under 2.81V when the computer is booting up.

 

 

 

 

 

 

64h

E3V voltage is under 2.81 V when EV power is maintained.

 

 

 

 

 

 

‰1R5-E1V output

Error code

Meaning

 

 

70h

1R5-E1V voltage is over 1.80V when the computer is powered on/off.

 

 

71h

1R5-E1V voltage is under 1.275V when the computer is powered on.

 

 

72h

1R5-E1V voltage is under 1.275V when the computer is booting up.

 

 

‰1R8-B1V output

Error code

Meaning

 

 

80h

1R8-B1V voltage is over 2.16V when the computer is powered on/off.

 

 

81h

1R8-B1V voltage is under 1.53V when the computer is powered on.

 

 

82h

1R8-B1V voltage is under 1.53V when the computer is booting up.

 

 

84h

1R8-B1V voltage is under 1.53V when BV power is maintained and

 

OUTV=BV is designated.

 

 

PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL]

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Toshiba r500 manual ‰ E5V output