Compaq CD Player NX7000 User Manual

Page of 187
Troubleshooting
Maintenance and Service Guide
2–21
Flowchart 2.14—No Audio, Part 1
No audio.
N
Notebook in
port replicator
(if applicable)?
Internal
audio?
Audio?
Done
Undock
Audio?
Done
Turn up audio
internally or
externally.
Go to
Flowchart 2.16,
No Audio, Part 2.
Go to
Flowchart 2.16,
No Audio, Part 2.
Go to
Flowchart 2.17,
Nonfunctioning
Device.
Replace the following port replicator 
components one at a time, as applicable. 
Check audio status after each change.
1. Replace port replicator audio cable.
2. Replace audio cable.
3. Replace speaker.
4. Replace port replicator audio board.
5. Replace backplane board.
6. Replace I/O board.
Y
Y
Y
Y
N
N
N
325388-002.book  Page 21  Friday, October 24, 2003  9:21 AM