Symptom/Error	FRU/Action
Front microphone and front headphone inoperative and rear microphone, rear headphone and computer beeps are working properly.	1. Control Panel Assembly 2. Cable (system board to control panel assembly)
Front microphone, front headphone and computer beeps inoperative and rear microphone and rear headphone work properly.	1. Control Panel Assembly 2. Cable (system board to control panel assembly)
Distorted or missing audio from control panel assembly, line outputs or headphone jack.	1.  ACPA/A Adapter
Front microphone inoperative and rear microphone works properly.	1. Control Panel Assembly 2. ACPA/A Adapter  3. Cable (ACPA/A to control panel assembly)
Rear microphone inoperative.	1. ACPA/A Adapter  2. Microphone
Audio from CD-ROM does not play to the front speaker but plays to Line Output.	1. Control Panel Assembly 2. ACPA/A Adapter  3. Cable (ACPA/A to control panel assembly)
Audio from CD-ROM does not play to the front speaker or to Line Output.	1. CD-ROM  2. Cable (CD-ROM to ACPA/A Adapter)