2.3 Power Supply Troubleshooting

2 Troubleshooting Procedures

 

‰ PPV output

 

 

 

 

 

 

 

 

 

Error code

 

Meaning

 

 

 

 

 

 

90h

PPV voltage is over 1.80V when the computer is powered on/off.

 

 

 

 

 

 

91h

PPV voltage is under 0.56V when the computer is powered on.

 

 

 

 

 

 

92h

PPV voltage is under 0.56V when the computer is booting up.

 

 

 

 

 

 

93h

PPV voltage is over 0.56V when the computer is powered off.

 

 

 

 

 

 

‰PTV output (CH0)

Error code

Meaning

 

 

A0h

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

 

 

A1h

PTV voltage is under 0.89V when the computer is powered on.

 

 

A2h

PTV voltage is under 0.89V when the computer is booting up.

 

 

A3h

PTV voltage is over 0.89V when the computer is powered off.

 

 

‰1R5-E1V output (CH1)

Error code

Meaning

 

 

B0h

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

 

 

B1h

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

 

 

B2h

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

 

 

B3h

1R5-E1V voltage is over 1.275V when the computer is powered off.

 

 

B4h

1R5-E1V voltage is under 1.275V when the EV power supply is

 

maintained.

‰ PGV output

Error code

Meaning

 

 

C0h

PGV voltage is over 1.62V when the computer is powered on/off.

 

 

C1h

PGV voltage is under 0.68V when the computer is powered on.

 

 

C2h

PGV voltage is under 0.68V when the computer is booting up.

 

 

C3h

PGV voltage is over 0.68V when the computer is powered off.

 

 

C4h

PGV voltage is under 0.68V when the BV power supply is

 

maintained.

 

 

TECRA S3 Maintenance Manual (960-532)

[CONFIDENTIAL]

2-11

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Image 53
Toshiba S4 manual ‰ PPV output