2 Troubleshooting Procedures
2.3 Power Supply Troubleshooting
2-10
TECRA M3 Maintenance Manual (960-507)
?
E5V output (P64:CH0)
Error code
Meaning
80h
E5V voltage is over 6.00V when the computer is powered on/off.
81h
E5V voltage is 4.50V or less when the computer is powered on.
82h
E5V voltage is 4.50V or less when the computer is booting up.
83h
E5V voltage is 4.50V or more when the computer is powered off.
84h
E5V voltage is 4.50V or less when the computer is suspended.
?
PTV output (P65: CH0)
Error code
Meaning
90h
PTV voltage is over 1.26V when the computer is powered on/off.
91h
PTV voltage is 0.89V or less when the computer is powered on.
92h
PTV voltage is 0.89V or less when the computer is booting up.
93h
PTV voltage is 0.89V or more when the computer is powered off.
94h
PTV voltage is 0.89V or less when the computer is suspended.
?
1R8-B1V output (P66:CH0)
Error code
Meaning
A0h
1R8-B1V voltage is over 2.40V when the computer is powered on/off.
A1h
1R8-B1V voltage is 1.53V or less when the computer is powered on.
A2h
1R8-B1V voltage is 1.53V or less when the computer is booting up.
A3h
1R8-B1V voltage is 1.53V or less when the computer is suspended.
A4h
1R8-B1V voltage is 1.53V or less when the computer is booting up.
(CV support)
?
PGV output (P63:CH1)
Error code
Meaning
B0h
PGV voltage is over 1.62V when the computer is powered on/off.
B1h
PGV voltage is 0.68V or less when the computer is powered on.
B2h
PGV voltage is 0.68V or less when the computer is booting up.
B3h
PGV voltage is 0.68V or more when the computer is powered off.
Summary of Contents for Tecra M3 Series
Page 1: ...Toshiba Personal Computer TECRA M3 Maintenance Manual TOSHIBA CORPORATION File Number 960 507 ...
Page 10: ...x TECRA M3 Maintenance Manual 960 507 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii TECRA M3 Maintenance Manual 960 507 ...
Page 27: ...1 2 System Unit Block Diagram 1 Hardware Overview TECRA M3 Maintenance Manual 960 507 1 13 ...
Page 53: ...1 13 Batteries 1 Hardware Overview TECRA M3 Maintenance Manual 960 507 1 39 ...
Page 54: ...Chapter 2 Troubleshooting Procedures ...
Page 55: ...2 Troubleshooting Procedures 2 ii TECRA M3 Maintenance Manual 960 507 ...
Page 58: ...2 Troubleshooting Procedures TECRA M3 Maintenance Manual 960 507 2 v ...
Page 60: ...2 Troubleshooting Procedures TECRA M3 Maintenance Manual 960 507 2 vii ...
Page 119: ...Chapter 3 Tests and Diagnostics ...
Page 120: ...3 Tests and Diagnostics 3 ii TECRA M3 Maintenance Manual 960 507 3 ...
Page 124: ...3 Tests and Diagnostics 3 vi TECRA M3 Maintenance Manual 960 507 ...
Page 235: ...Chapter 4 Replacement Procedures ...
Page 236: ...4 Replacement Procedures 4 ii TECRA M3 Maintenance Manual 960 507 ...
Page 359: ...Appendices ...
Page 360: ...Appendices App ii TECRA M3 Maintenance Manual 960 507 ...
Page 363: ...Appendices TECRA M3 Maintenance Manual 960 507 App v Appendix I Reliability I 1 ...
Page 367: ...Appendices TECRA M3 Maintenance Manual 960 507 App ix ...
Page 373: ...Appendices Appendix A Handling the LCD Module A 6 TECRA M3 Maintenance Manual 960 507 ...
Page 403: ...Appendices Appendix C Pin Assignments C 22 TECRA M3 Maintenance Manual 960 507 217 GND 218 NC ...
Page 427: ...Appendices Appendix E Key Layout E 2 TECRA M3 Maintenance Manual 960 507 ...
Page 429: ...Appendices Appendix F Wiring diagrams F 2 TECRA M3 Maintenance Manual 960 507 ...
Page 431: ...Appendices Appendix G BIOS rewrite procedures G 2 TECRA M3 Maintenance Manual 960 507 ...
Page 433: ...Appendices Appendix H EC KBC rewrite procedures H 2 TECRA M3 Maintenance Manual 960 507 ...
Page 435: ...Appendices Appendix I Reliability I 2 TECRA M3 Maintenance Manual 960 507 ...