2009 Toshiba America Consumer Products, LLC.

S.M.A.R.T.

Service Material and Reference Tips

Product: LCD Date: 7/01/2009 Models: 26AV52R, 26AV502R, 32AV52R, 32AV502R, 37AV52R, 37AV502R Doc Ref/File: SMART2009-LCD509-V4 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 Section lll Technical Aids

Firmware Updates.8,9 Factory Mode..10

Parts List......11 Feedback: Please provide any comments or suggestions about this document

to technical_support@tacp.com When commenting, please provide the document and version number on all correspondence.

SMART2009-LCD509-V4 Page 1 of 11

DISPLAY T-CONCN3 LVDS

CN11 ALT LVDS (26 in)

CN5 IR-REC/LED

CN2 SPKR

MAIN PCB

POWER PCBP802 PWR

P803 INV

P801 AC

CN8 PWR

CN101

INVERTER

MANUAL KEYS AND

FRONT JACKS

SMART2009-LCD509-V4 Page 2 of 11

Inverter1. 24V**13. Pwr. On (Enable) 2.4V15. Dim .1 to 3V