Page 2318 - Foton Workshop Manual - Aumark (BJ1099)

62-266 DIAGNOSIS-AUDIO SYSTEM

THE SOUND QUALITY OF LOUDSPEAKER IS POOR ONLY

WHILE PLAYING CD/DVD

Diagnosis Procedure

1. Check the source files of CD/DVD media

(a). Replace it with a CD/DVD source file known as the legal copy and play the new
one.

Check whether the sound quality of loudspeaker is normal?
Yes>Please use the legal copy of CD/DVD.
No >Back to Step 2.

2. Check the sound unit settings

(a). Disconnect the connector of sound unit.
(b). Press down the power switch of sound unit.
(c). Tune the sound unit volume to over 10VOL.
(d). Set "FAD" and "BAL" to the initial setting.
(e). Press "VOL" for over two seconds to start the loudness function.
(f). In the CD/DVD mode, press the "CD/DVD" key in order, according to the music
type played, choose the audio preset mode: "FLAT", "JAZZ", "POP", "CLASSIC",
"ROCK" and "VOCAL".

Check whether the sound quality of loudspeaker is normal?
Yes>the sound unit settings of CD/DVD are not correct.
No >Replace the CD/DVD sound unit.

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