THOMSON free download

File name THOMSON ITC008 training.pdf

VERTICAL TO E8 RED BIAS <21-B> TP50 TO E7 GRN BIAS E5003 E5007 TP24 RED OUTPUT 194V TECHNICAL TRAINING 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 1 0 1 1 0 1 0 0 1 1 0 1 0 0 1 0 1 0 0 1 1 0 1 0 1 1 1 0 0 1 0 1 1 0 ITC008 Technical Training Manual FOREWORD The ITC008 training course is an objective based training course designed to provide the service technician with information key to the servicing of the chassis. This training course is to be used in conjunction with the service data and additional information found in the ESI Service Data. Upon completion of this training course the service technician will: · · · · Have a basic understanding of features and menu's Gain a block diagram understanding of major systems and their function Identify key circuits and use troubleshooting procedures to service those circuits Isolate a dead set condition to a defective circuit or component area. SAFETY INFORMATION CAUTION Safety information is contained in the appropriate Thomson Service Data. All product safety requirements must be complied with prior to returning the instrument to the consumer. 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. All integrated circuits, all surface mounted devices, and many other semiconductors are electrostatically sensitive and therefore require special handling techniques. First Edition - First Printing Copyright 2003 Thomson Trademark(s)® Registered Marca(s) Registrada(s) Printed in U.S.A. Prepared by Thomson Technical Training Department, INH905 PO Box 1976 Indianapolis, Indiana 46206 U.S.A. Contents FOREWORD ... 3 SAFETY INFORMATION CAUTION ... 3 INTRODUCTION ... 6 ALERT GUARD OVERVIEW ... 7 CUSTOMER MENUS ... 11 OVERVIEW ... 13 CIRCUIT OVERVIEW... 16 AUDIO VIDEO PROCESSING ... 16 MAV CBA SWITCHING ... 17 MAIN CBA PROCESSING ... 18 SYSTEM CONTROL ... 20 Page 4 Contents POWER SUPPLY ... 22 SWITCHED POWER SUPPLY ... 24 HORIZONTAL DEFLECTION ... 25 E/W CORRECTION... 26 VERTICAL DEFLECTION ... 28 SHUTDOWN ... 30 TROUBLESHOOTING ... 32 DEAD SET TROUBLESHOOTING ... 32 SHUTDOWN TROUBLESHOOTING ... 34