Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001CIO003X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Only Sound of Radio cannot be Heard from Any Speakers; 2007 MY LX470 [08/2006 -        ]

Only Sound of Radio cannot be Heard from Any Speakers

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK NOISE

(a) Is hiss noise produced by non-functioning speaker?

OK:

Hiss noise is not from speaker.

NG

REPLACE RADIO RECEIVER ASSEMBLY (RECHECK SYSTEM AFTER REPLACEMENT)

OK

2.

CHECK WIRE HARNESS (RADIO RECEIVER ASSEMBLY - SPEAKER)
NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

3.

REPLACE SPEAKER

(a) Temporarily install another speaker. Functions OK?

OK

SPEAKER FAULTY

NG

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY (RECHECK SYSTEM AFTER REPLACEMENT)