Canada - Entertainment - Audio Stays Muted After Wireless Call

Bulletin
TSB2008

Issue Date
May 31, 2004

Market
Canada

Title
MARK LEVINSON AUDIO SYSTEM STAYS MUTED AFTER ENDING BLUETOOTH WIRELESS PHONE CALL

Component
BODY ELECTRICAL

Models
'04 LX 470

TSB REVISION NOTICE:
- July 21, 2006: T1 code has been change under Warranty Information.
The previous TSB should be discarded.

INTRODUCTION:
Some customers may experience the Mark Levinson Audio System remaining muted after ending a phone call using the Bluetooth system. Improvements have been made to the software inside the Mark Levinson amplifier to remedy this condition.

APPLICABLE VEHICLES:
- 2004 model year LX 470 vehicles equipped with the Mark Levinson sound system produced BEFORE the Production Change Effective VIN shown below.







PRODUCTION CHANGE INFORMATION:







PARTS INFORMATION:







WARRANTY INFORMATION:

REPAIR PROCEDURE:
1. Order a replacement amplifier from Mark Levinson through the exchange program by calling 1-800-580-1808.
2. Follow the installation procedure outlined in TSB No.0526, "Mark Levinson Amplifier Installation Precautions.

PARTS IDENTIFICATION:







The model numbers of the improved parts are 7722AC and higher.

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.