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2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
TECRA M1 Maintenance Manual (960 -436)
2-9
q
S3V output
Error code
Meaning
40h
S3V voltage is 3.14V or less when the computer is powered on/off.
45h
S3V voltage is 3.14V or less when the computer is booting up.
(CV support)
q
1R5-C1V output
Error code
Meaning
50h
1R5-C1V voltage is over 1. 80V.
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)
q
1R8-C1V output
Error code
Meaning
60h
1R8-C1V voltage is over 2.16V when the computer is powered on/off.
61h
1R8-C1V voltage is 1.53V or less when the computer is powered on.
62h
1R8-C1V voltage is 1.53V or less when the computer is booting up.
63h
1R8-C1V voltage is 1.53V or less when the computer is suspended.
64h
1R8-C1V voltage is abnormal when the computer shuts down.
(CV support)
65h
1R8-C1V voltage is 1.53V or less when the computer is booting up.
(CV support)
q
PPV output
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 M1
Page 1: ...Toshiba Personal Computer TECRA M1 Maintenance Manual TOSHIBA CORPORATION File Number 960 436 ...
Page 6: ...vi TECRA M1 Maintenance Manual 960 436 ...
Page 10: ...x TECRA M1 Maintenance Manual 960 436 3 29 SETUP 3 78 ...
Page 13: ...TECRA M1 Maintenance Manual 960 436 xiii ...
Page 14: ...Chapter 1 Hardware Overview ...
Page 15: ...1 Hardware Overview 1 ii TECRA M1 Maintenance Manual 960 436 ...
Page 32: ...1 2 System Unit Block Diagram 1 Hardware Overview TECRA M1 Maintenance Manual 960 436 1 15 ...
Page 54: ...Chapter 2 Troubleshooting Procedures ...
Page 55: ...2 Troubleshooting Procedures 2 ii TECRA M1 Maintenance Manual 960 436 ...
Page 58: ...2 Troubleshooting Procedures TECRA M1 Maintenance Manual 960 436 2 v ...
Page 60: ...2 Troubleshooting Procedures TECRA M1 Maintenance Manual 960 436 2 vii ...
Page 123: ...Chapter 3 Tests and Diagnostics ...
Page 124: ...3 Tests and Diagnostics 3 ii TECRA M1 Maintenance Manual 960 436 ...
Page 224: ...3 Tests and Diagnostics 3 29 SETUP 3 96 TECRA M1 Maintenance Manual 960 436 ...
Page 225: ...Chapter 4 Replacement Procedures ...
Page 226: ...4 Replacement Procedures 4 ii TECRA M1 Maintenance Manual 960 436 ...
Page 309: ......
Page 327: ...4 Replacement Procedure 4 25 Fluorescent Lamp 4 90 TECRA M1 Maintenance Manual 960 436 ...
Page 330: ...4 25 Fluorescent Lamp 4 Replacement Procedure TECRA M1 Maintenance Manual 960 436 4 93 ...
Page 349: ...Appendices ...
Page 350: ...Appendices App ii ...
Page 362: ...Appendices Appendix A Handling the LCD Module A 6 TECRA M1 Maintenance Manual 960 436 ...
Page 368: ...Appendices Appendix B Board Layout B 6 TECRA M1 Maintenance Manual 960 436 F VR3000 Volume ...
Page 395: ...Appendices Apx C Pin Assignments C 24 TECRA M1 Maintenance Manual 960 436 123 NC 124 B3V ...
Page 401: ...Appendices Apx C Pin Assignments C 30 TECRA M1 Maintenance Manual 960 436 41 FL P5V ...
Page 408: ...Appendix C Pin Assignments Appendices TECRA M1 Maintenance Manual 960 436 C 37 ...
Page 418: ...Appendices Appendix E Key Layout E 2 TECRA M1 Maintenance Manual 960 436 ...
Page 422: ...Appendices Appendix G BIOS Rewrite Procedures G 2 TECRA M1 Maintenance Manual 960 436 ...
Page 424: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 TECRA M1 Maintenance Manual 960 436 ...
Page 426: ...Appendices Appendix I Reliability I 2 TECRA M1 Maintenance Manual 960 436 ...