TECHNICAL BULLETIN
No: LCD2009-06 1 Page Ref: WU051109A
Product: LCD TV Date: 5/11/2009
Models: 40XV645U, 42ZV650U, 46XV645U, 47ZV650U, 52XV645U and 55ZV650U
Product Safety Precautions:
Product Safety Precautions are described in the Toshiba service manual(s) for models covered in this bulletin. All safety precautions
and checks shall be complied with before returning the equipment to the customer. Servicers who defeat safety features or fail to
perform safety checks may be liable for any resulting damages and may expose themselves and others to possible injury.
Application: The information contained in this bulletin applies only if you encounter the
symptom(s) listed below.
Symptom: The TV’s 1st time set up is required at each turn on. This occurs even after
completing the full set up including complete channel scan.
Cause: Firmware update.
Solution: Upgrade firmware to version 28 or above. This firmware may be updated by
the consumer and requires no service intervention. The firmware consisting
of a SD Media card or USB Thumb Drive with firmware programmed to the
card or drive may be acquired using Part Number 2009ASEN028.
Toshiba America Consumer Products LLC.
1420-B Toshiba Dr.
Lebanon, TN 37087
www.tacpservice.toshiba.com/tacp
© 2009 Toshiba America Consumer Products, LLC. Page 1