2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
Satellite A50S/TECRA A3X Maintenance Manual (960-534) [CONFIDENTIAL]
2-11
PPV output (P65)
Error code
Meaning
90h
PPV voltage is over 1.80V when the computer is powered on/off.
91h
PPV voltage is 0.56V or less when the computer is powered on.
92h
PPV voltage is 0.56V or less when the computer is booting up.
93h
PPV voltage is over 0.56V when the computer is powered off. (PV
power is off)
PTV output (P66)
Error code
Meaning
A0h
PTV voltage is over 1.26V when the computer is powered on/off.
A1h
PTV voltage is 0.89V or less when the computer is powered on.
A2h
PTV voltage is 0.89V or less when the computer is booting up.
A3h
PTV voltage is over 0.89V or more when the computer is powered off.
(PV power is off)
1R5-E1V output (P63: MUX_CH1)
Error code
Meaning
B0h
1R5-E1V voltage is over 1.80V when the computer is powered on/off.
B1h
1R5-E1V voltage is 1.275V or less when the computer is powered on.
B2h
1R5-E1V voltage is 1.275V or less when the computer is booting up.
B3h
1R5-E1V voltage is over 1.275V when the computer is powered off.
(EV power is off)
B4h
1R5-E1V voltage is 1.275V or less when the computer is powered off.
(EV power is on)
PTV output (P73)
Error code
Meaning
C0h
PTV voltage is over 1.63V when the computer is powered on/off.
C1h
PTV voltage is 0.68V or less when the computer is powered on.
C2h
PTV voltage is 0.68V or less when the computer is booting up.
C3h
PTV voltage is over 0.68V when the computer is powered off.
(BV power is on)
C4h
PTV voltage is 0.68V or less when the computer is powered off.
(BV power is on)
Summary of Contents for Tecra A3X
Page 10: ...x CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 16: ...1 Hardware Overview 1 vi CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 51: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 105: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 110: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...
Page 217: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 337: ... CONFIDENTIAL Appendices ...
Page 338: ...Appendices App ii CONFIDENTIAL Satellite A50S TECRA A3X Maintenance Manual 960 534 ...