Audio And Visual System Sound Quality Is Bad In All Modes (Volume Is Too Low)

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Audio Visual. Lexus Gs430, Gs300. Uzs190 Grs190

INSPECTION PROCEDURE

ADJUST SOUND QUALITY

COMPARE WITH ANOTHER CAR OF SAME MODEL

REPLACE STEREO COMPONENT AMPLIFIER

AUDIO AND VISUAL SYSTEM - Sound Quality is Bad in All Modes (Volume is Too Low)


INSPECTION PROCEDURE

1.ADJUST SOUND QUALITY
  1. Adjust the sound quality.

    1. Operate the radio receiver assembly to adjust the sound quality.

      OK:
      Malfunction disappears.


OK
BAD SOUND QUALITY
NG


2.COMPARE WITH ANOTHER CAR OF SAME MODEL
  1. Compare with another vehicle of the same model.

    1. Compare with another vehicle of the same type which does not have stereo trouble to see if there is any difference in the sound quality.

      OK:
      No difference is found.


OK
SETTING
NG


3.REPLACE STEREO COMPONENT AMPLIFIER
  1. Replace the stereo component amplifier and check that it operates normally.

    OK:
    The audio system operates normally.


NG
REPLACE RADIO RECEIVER ASSEMBLY
OK

SYSTEM OK