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2 Troubleshooting Procedures
2.3 Power Supply Troubleshooting
E3V output
Error code
Meaning
A0h
E3V voltage is over 3.96V when the computer is powered on/off.
A1h
E3V voltage is 2.81V or less when the computer is powered on.
A2h
E3V voltage is 2.81V or less when the computer is booting up.
A3h
E3V voltage is 2.81V or more when the computer is powered off.
A4h
E3V voltage is 2.81V or less when the computer is suspended.
PPV output
Error code
Meaning
B0h
PPV voltage is over 1.80V when the computer is powered on/off.
B1h
PPV voltage is 0.56V or less when the computer is powered on.
B2h
PPV voltage is 0.56V or less when the computer is booting up.
B3h
PPV voltage is 0.56V or more when the computer is powered off.
PGV output
Error code
Meaning
C0h
PGV voltage is over 1.62V when the computer is powered on/off.
C1h
PGV voltage is 0.68V or less when the computer is powered on.
C2h
PGV voltage is 0.68V or less when the computer is booting up.
C3h
PGV voltage is 0.68V or more when the computer is powered off.
C4h
PGV voltage is 0.68V or less while the computer is suspended.
PTV output
Error code
Meaning
D0h
PTV voltage is over 1.26V when the computer is powered on/off.
D1h
PTV voltage is 0.68V or less when the computer is powered on.
D2h
PTV voltage is 0.68V or less when the computer is booting up.
D3h
PTV voltage is 0.68V or more when the computer is powered off.
D4h
PTV voltage is 0.68V or less while the computer is suspended.
QOSMIO G20 Maintenance Manual (960-511) [CONFIDENTIAL]
2-13
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 ...