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2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
Procedure 3
Connection Check
The power supply wiring diagram is shown below:
Any of the connectors may be disconnected. Perform Check 1.
Check 1 Disconnect the AC power cord from the wall outlet. Check the power cable for
breaks. If the power cord is damaged, connect a new AC power cord. If there is
no damage, go to Check 2.
Check 2 Make sure the AC adaptor cord and AC power cord are firmly plugged into the
DC-IN jack socket and AC adaptor inlet/wall outlet, respectively. If these cables
are connected correctly, go to Check 3.
Check 3 Make sure the DC IN jack is firmly connected to the connector CN8800 on the
system board.
•
If the DC IN jack is not firmly connected, go to Procedure 5.
•
If it is connected, go to Check 4.
Check 4 Use a multimeter to make sure the AC adaptor output voltage is close to 15 V. If
the output is several percent lower than 15 V, go to Check 5. If the output is close
to 15 V, go to Check 6.
Check 5 Connect a new AC adaptor or AC power cord.
•
If the DC IN icon does not light, go to Procedure 5.
•
If the battery icon does not light, go to Check 6.
Check 6 Make sure the battery pack is installed in the computer correctly. If the battery is
properly installed and the battery icon still does not light, go to Procedure 4.
TECRA M9 Maintenance Manual (960-631)
[CONFIDENTIAL]
2-13
Содержание Tecra M9
Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 45: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Страница 46: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 121: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Страница 122: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 3 ...
Страница 126: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 228: ...3 Tests and Diagnostics 3 31 SETUP 3 102 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 229: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 230: ...4 Replacement Procedures 4 ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 4 ...
Страница 313: ...4 24 LCD unit FL inverter 4 Replacement Procedures Jig Jig TECRA M9 Maintenance Manual 960 631 CONFIDENTIAL 4 79 ...
Страница 347: ... CONFIDENTIAL Appendices ...
Страница 348: ...Appendices App ii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 354: ...Appendices App viii CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 360: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 394: ...Appendices Appendix C Pin Assignments 24 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 404: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 408: ...Appendices Appendix F Wiring diagrams F 4 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 410: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 412: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...
Страница 414: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL TECRA M9 Maintenance Manual 960 631 ...