
2.3 Power Supply Troubleshooting
2 Troubleshooting Procedures
DC IN
Error code
Meaning
10h
AC Adaptor output voltage is over 16.5V.
11h
Common Dock output voltage is over 16.5V.
12h
Current from the DC power supply is over 13.2A.
13h
Current from the DC power supply is over 0.5A when there is no load.
14h
Current sensing IC is not normal.
1st Battery
Error code
Meaning
20h
Overvoltage is detected. (Not supported)
21h
Main battery charge current is over 13.2A.
22h
Main battery discharge current is over 0.5A when there is no load.
23h
Main battery charge current is more than 4.3A when the main battery
isn’t being quick charged.
24h
Current sensing IC is abnormal when there is no load.
25h
Main battery charge current is more than 0.3A when the main battery
isn’t being charged.
2nd Battery
Error code
Meaning
30h
Overvoltage is detected. (Not supported)
31h
Main battery charge current is over 13.2A.
32h
Main battery discharge current is over 0.5A when there is no load.
33h
Main battery charge current is over 4.3A when DC IN direct charge is off.
34h
Current sensing IC is not normal.
35h
Second battery charge current is over 0.3A.
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)
Satellite A20 Maintenance Manual (960-444)
2-11
Summary of Contents for Satellite A20 Series
Page 6: ...vi Satellite A20 Maintenance Manual 960 444 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii Satellite A20 Maintenance Manual 960 444 ...
Page 36: ......
Page 45: ...Chapter 2 Troubleshooting Procedures ...
Page 46: ...2 Troubleshooting Procedures 2 ii Satellite A20 Maintenance Manual 960 444 ...
Page 50: ...2 Troubleshooting Procedures 2 vi Satellite A20 Maintenance Manual 960 444 ...
Page 109: ...Chapter 3 Tests and Diagnostics ...
Page 110: ...3 Tests and Diagnostics 3 ii Satellite A20 Maintenance Manual 960 444 ...
Page 195: ...3 Tests and Diagnostics 3 26 SETUP 3 84 Satellite A20 Maintenance Manual 960 444 ...
Page 196: ...Chapter 4 Replacement Procedures ...
Page 197: ...4 Replacement Procedures 4 ii Satellite A20 Maintenance Manual 960 444 ...
Page 205: ...4 Replacement Procedures 4 x Satellite A20 Maintenance Manual 960 444 ...
Page 426: ...Appendices ...
Page 427: ...Appendices App ii Satellite A20 Maintenance Manual 960 444 ...
Page 439: ...Appendices Appendix A Handling the LCD module A 6 Satellite A20 Maintenance Manual 960 444 ...
Page 473: ...Appendices Apx C Pin Assignments C 26 Satellite A20 Maintenance Manual 960 444 ...
Page 487: ...Appendices Appendix E Key Layout E 6 Satellite A20 Maintenance Manual 960 444 ...
Page 489: ...Appendices Appendix F Wiring Diagrams F 2 Satellite A20 Maintenance Manual 960 444 ...
Page 491: ...Appendices Appendix G BIOS Rewrite Procedures G 2 Satellite A20 Maintenance Manual 960 444 ...
Page 493: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 Satellite A20 Maintenance Manual 960 444 ...
Page 495: ...Appendices Appendix I Reliability I 2 Satellite A20 Maintenance Manual 960 444 ...