2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
Satellite A50/TECRA A2 Maintenance Manual (960-478)
2-13
q
1R25-B1V output (P65)
Error code
Meaning
D0h
1R25-B 1V voltage is over 1.50V when the computer is powered on/off.
D1h
1R25-B 1V voltage is 1.063V or less when the computer is powered on.
D2h
1R25-B 1V voltage is 1.063V or less when the computer is booting up.
D3h
1R25-B 1V voltage is 1.063V or more when the computer is powered
off.
D4h
1R25-B 1V voltage is 1.063V or less when the computer is suspended.
q
2R5-B2V output (P66)
Error code
Meaning
C0h
2R5-B2V voltage is over 3.00V when the computer is powered on/off.
C1h
2R5-B2V voltage is 2.125V or less when the computer is powered on.
C2h
2R5-B2V voltage is 2.125V or less when the computer is booting up.
C3h
2R5-B2V voltage is 2.125V or more when the computer is powered off.
C4h
2R5-B2V voltage is 2.125V or less when the computer is suspended.
Summary of Contents for Tecra A2 Series
Page 10: ...x Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 49: ...Chapter 2 Troubleshooting Procedures ...
Page 50: ...2 Troubleshooting Procedures 2 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 2 ...
Page 54: ...2 Troubleshooting Procedures 2 vi Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 105: ...Chapter 3 Tests and Diagnostics ...
Page 106: ...3 Tests and Diagnostics 3 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 3 ...
Page 197: ...Chapter 4 Replacement Procedures ...
Page 198: ...4 Replacement Procedures 4 ii Satellite A50 TECRA A2 Maintenance Manual 960 478 4 ...
Page 204: ...4 Replacement Procedures 4 viii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 271: ...Appendices ...
Page 272: ...Appendices App ii Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 290: ...Appendices Apx B Board Layout B 6 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 332: ...Appendices Apx E Key Layout E 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 334: ...Appendices Apx F Wiring Diagrams F 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 336: ...Appendices Apx G BIOS KBC EC Update G 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...
Page 338: ...Appendices Apx H Reliability H 2 Satellite A50 TECRA A2 Maintenance Manual 960 478 ...