Audio And Visual System No Sound Can Be Heard From Speakers (Audio Is Mute)

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

INSPECTION PROCEDURE

CHECK RADIO RECEIVER ASSEMBLY

CHECK RADIO RECEIVER ASSEMBLY

CHECK STEREO COMPONENT AMPLIFIER

AUDIO AND VISUAL SYSTEM - No Sound can be Heard from Speakers (Audio is Mute)


INSPECTION PROCEDURE

1.CHECK RADIO RECEIVER ASSEMBLY

  1. Check radio receiver setting.

    1. Check that the volume is not set to "0".

    2. Check that "MUTE" is off.


NEXT


2.CHECK RADIO RECEIVER ASSEMBLY

  1. Check that the malfunction disappears when the radio receiver assembly is replaced with a normal one.

    OK:
    Malfunction disappears.


NG
REPLACE RADIO RECEIVER ASSEMBLY
OK


3.CHECK STEREO COMPONENT AMPLIFIER

  1. Check that the malfunction disappears when the stereo component amplifier is replaced with a normal one.

    OK:
    Malfunction disappears.


NG
REPLACE STEREO COMPONENT AMPLIFIER
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE