Service Material and Reference Tips
Product: LCD Date:2/4/2010
Models: 40XV645U, 40XV648U, 46XV645U, 46XV648U, 52XV645U,
52XV648U
Doc Ref/File: SMART2009-LCD909-V6
Purpose: The purpose of this document is to give the service provider
troubleshooting information designed to expedite the diagnosis and service
process to modular/sectional level for Toshiba products.
[The information contained within the document will evolve over time so a version number has
been indicated in the document name. The servicer should always use the latest version
available.]
Table of Contents
Section l Chassis Layout and Plug location
Chassis and Plug Layout…....…………....…..….2
Interconnect…………………………….………....3
Section ll Modular Troubleshooting Flowcharts
Dead Set …………………………………………..4
Video Problems …………………....……….......5,6
Audio Problems …………………...………………7
Continual Boot Blink Code..................................8
Section lll Diagnostic and Service Aids
Blink Codes ……………………..……….....…9, 10
Firmware Updates…………………………...11, 12
Service Mode Entry………………………………13
Replacement of Main Module………………......14
