
2 Troubleshooting Procedures
2.3 Power Supply Troubleshooting
1st Battery
Error code Meaning
20h
Over voltage has been sensed. (Error code 20h is not supported.)
21h
Main battery charge current is over 12.0A.
22h
Main battery discharge current is over 0.5A when there is no load.
23h
Main battery charge current is over 3.9A when AC adapter is not connected.
24h
Abnormal current has been sensed.
25h
Main battery charge current is over 0.3A when the charging is off.
2nd Battery
Error code Meaning
30h
Over voltage has been sensed. (Error code 30h is not supported.)
31h
Second battery charge current is over 12.0A.
32h
Second battery discharge current is over 0.5A when there is no load.
33h
Second battery charge current is over 3.1A when AC adapter is not connected.
34h
Abnormal current has been sensed.
35h
Second battery charge current is over 0.3A when the charging is off.
S3V output
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
Error code Meaning
50h
1R5-C1 voltage is over 1.80V when the computer is powered on/off.
51h
1R5-C1 voltage is 1.275V or less when the computer is powered on.
52h
1R5-C1 voltage is 1.275V or less when the computer is booting up.
53h
1R5-C1 voltage is 1.275V or less while the computer is suspended.
54h
1R5-C1 voltage is abnormal while the computer is shutdown. (CV support)
55h
1R5-C1 voltage is 1.275V or less when the computer is booting up. (CV support)
QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL]
2-11
Summary of Contents for QOSMIO G20 Series
Page 10: ...x CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 11: ...Chapter 1 Hardware Overview CONFIDENTIAL ...
Page 12: ...1 Hardware Overview 1 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 38: ...1 9 AC Adapter 1 Hardware Overview 1 24 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 39: ...Chapter 2 Troubleshooting Procedures CONFIDENTIAL ...
Page 40: ...2 2 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 44: ...2 vi CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 113: ...Chapter 3 Tests and Diagnostics CONFIDENTIAL ...
Page 114: ...3 Tests and Diagnostics 3 3 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 223: ...3 Tests and Diagnostics 3 32 SETUP QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL 3 105 ...
Page 236: ...3 32 SETUP 3 Tests and Diagnostics 3 118 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 237: ...Chapter 4 Replacement Procedures CONFIDENTIAL ...
Page 238: ...4 Replacement Procedures 4 4 ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 331: ...Appendices CONFIDENTIAL ...
Page 332: ...App ii CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 347: ...Appendix A Handling the LCD Module A 6 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 354: ...Appendix B Board Layout B 4 SD board QOSMIO G20 Maintenance Manual 960 511 CONFIDENTIAL B 7 ...
Page 412: ...Appendix G BIOS Rewrite Procedures G 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...
Page 416: ...Appendix I Reliability I 2 CONFIDENTIAL QOSMIO G20 Maintenance Manual 960 511 ...