Diagnostic Procedure

STEP	INSPECTION		ACTION
1	Replace with an audio-CD known to be good. Does the CD player play the audio-CD properly?	Yes	Go to the next step.
1		No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .)
2	Inspect the written format of the recorded data on the CD-R/RW. Is the written format correct?	Yes	Go to the next step.
2		No	Write the CD-R/RW with the correct specification.
3	Inspect the recorded data in the CD-R/RW. Is any data other than the audio data recorded in the CD-R/RW?	Yes	Replace with a CD-R/RW known to be good (record audio data only), then inspect the CD player operation. If the CD-R/RW plays: Audio system is normal. Explain to the customer that the CD player does not operate properly if the audio data and other data are recorded in the CD-R/RW. If the CD-R/RW does not play: 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 a CD-R/RW known to be good.
4		No	Replace the audio unit. (See AUDIO UNIT REMOVAL/INSTALLATION .)