dbx® is a registered trademark of Carillon Electronics Corporation.
DirecTV® is a registered trademark of DirecTV, Inc., a unit of Hughes Electronics Corp.
Guide Plus+® is a registered trademark of Gemstar Development Corporation.
SRS®, the SRS symbol and Sound Retrieval System® are registered trademarks
of SRS Labs, Inc.
SAFETY INFORMATION CAUTION
Safety information is contained in the appropriate Thomson Consumer Electronics 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
All integrated circuits, all surface mounted devices, and many other
semiconductors are electrostatically sensitive and therefore require
special handling techniques.
First Edition 9929 - First Printing
Copyright 1999 Thomson Consumer Electronics, Inc.
Trademark(s)® Registered Marca(s) Registrada(s)
Printed in U.S.A.
Thomson Consumer Electronics, Inc.
Technical Training Department
PO Box 1976
Indianapolis, Indiana 46206 U.S.A.
THOMSON TECHNICAL TRAINING
This publication is intended to aid the technician in servicing the CTC203 television
chassis. It will explain the theory of operation, highlighting new and different circuits
associated with the digitally controlled chassis. The manual covers power supplies,
horizontal and vertical deflection, tuner, video signal processing, and audio signal
processing theory of operation along with practical troubleshooting tips and suggestions.
It is designed to assist the technician to become more familiar with chassis operation,
increase confidence and improve overall efficiency in servicing the product.
Note: This publication is intended to be used only as a training aid. It is not meant to
replace service data. TCE Electronic Service Information for these instruments contains
specific information about parts, safety and al