2 Troubleshooting Procedures
Procedure 2
Connector Check
The sound function-wiring diagram is shown below:
Any of the connections may be disconnected. Disassemble the computer following the steps
described in Chapter 4,
Replacement Procedures
and perform the following checks:
1.
If the speaker does not work correctly, perform Check 1.
2.
If the headphone does not work correctly, perform Check 2.
3.
If the external microphone does not work correctly, perform Check 3.
4.
If the Built in microphone does not work correctly, perform Check 4.
Check 1 If the speaker does not work properly, the speaker cable may be disconnected.
Make sure the speaker cable is firmly connected to CN6350 on the
USB/JACK/3G/SIM board. If the speaker is still not functioning properly, go to
Check 5.
Check 2 If the headphone does not work properly, the headphone cable may be
disconnected. Make sure the headphone cable is firmly connected to J6310 on the
USB/JACK/3G/SIM board. If the sound function still does not work properly, go
to Check 5.
Check 3 If the external microphone does not work properly, external microphone cable
may be disconnected. Make sure the external microphone cable is firmly
connected to J6051 on the USB/JACK/3G/SIM board.
If the external microphone is still not functioning properly, go to Check 5.
2-56
[CONFIDENTIAL]
PORTEGE R400 Maintenance Manual (960-623)
Summary of Contents for Portege R400 Series
Page 10: ...x CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 12: ...1 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 35: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 36: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 106: ...2 Troubleshooting Procedures 2 68 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 107: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 108: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 3 ...
Page 112: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 214: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 215: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 4 ...
Page 219: ...4 Replacement Procedures 4 vi CONFIDENTIAL PORTÉGÉ R400 Maintenance Manual 960 623 ...
Page 294: ... CONFIDENTIAL Appendices ...
Page 295: ...Appendices App ii CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 303: ...Appendices App x CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 321: ...Appendices Appendix B Board Layout B 12 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 359: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Page 369: ...Appendices Appendix I Reliability 2 CONFIDENTIAL PORTEGE R4000 Maintenance Manual 960 623 ...