Diagnostic Procedure

STEP	INSPECTION		ACTION
1	Inspect the written format of the recorded data on the CD-R/RW. Is the written format correct?	Yes	Go to the next step.
1		No	Write the CD-R/RW with the correct specification.
2	Inspect the recorded data in the CD-R/RW. Is there MP3/WMA and other format data in the CD-R/RW.	Yes	Replace with the CD-R/RW known to be good (MP3/WMA-formatted file data only), then inspect the CD player operation. If the CD player plays the MP3/WMA-formatted file: Audio system is normal. Explain to the customer that the CD player does not operate properly if the MP3/WMA and other format data are in the CD-R/RW. If the CD player does not play the MP3/WMA-formatted file: Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .)
2		No	Go to the next step.
3	Inspect the CD-R/RW written format. Is the written format within the specification (".mp3"/".wma" is the correct file extension)?	Yes	Replace with the CD-R/RW using the ".mp3"/".wma" file extension, then inspect the CD player operation. If the CD player plays the MP3/WMA-formatted file: Audio system is normal. Explain to the customer that the CD player does not operate properly if the correct file extension is not used. If the CD player does not play the MP3/WMA-formatted file: Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .)
3		No	Go to the next step.
4	Visually inspect the CD-R/RW. Is there any dirt or scratch on the CD-R/RW?	Yes	Clean the disc or replace with the CD-R/RW known to be good.
4		No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .)