2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
TECRA M3 Maintenance Manual (960-507)
2-9
?
S3V output (P60)
Error code
Meaning
40h
S3V voltage is 2.81V or less when the computer is powered on/off.
45h
S3V voltage is 2.81V or less when the computer is booting up. (CV
support)
?
1R5-C1V output (P61)
Error code
Meaning
50h
1R5-C1V voltage is over 1. 80V when the computer is powered on/off.
51h
1R5-C1V voltage is 1.275V or less when the computer is powered on.
52h
1R5-C1V voltage is 1.275V or less when the computer is booting up.
53h
1R5-C1V voltage is 1.275V or less when the computer is suspended.
54h
1R5-C1V voltage is abnormal when the computer shuts down. (CV
support)
55h
1R5-C1V voltage is 1.275V or less when the computer is booting up.
(CV support)
?
A-C3V output (P62)
Error code
Meaning
60h
A-C3V voltage is over 3.96V when the computer is powered on/off.
61h
A-C3V voltage is 2.81V or less when the computer is powered on.
62h
A-C3V voltage is 2.81V or less when the computer is booting up.
63h
A-C3V voltage is 2.81V or less when the computer is booting up.
64h
A-C3V voltage is abnormal when the computer shuts down. (CV
support)
65h
A-C3V voltage is 2.81V or less when the computer is booting up.
(CV support)
?
PPV output (P63:CH0)
Error code
Meaning
70h
PPV voltage is over 1.80V when the computer is powered on/off.
71h
PPV voltage is 0.56V or less when the computer is powered on.
72h
PPV voltage is 0.56V or less when the computer is booting up.
73h
PPV voltage is 0.56V 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 ...