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THOMSON TECHNICAL TRAINING
1999 ctc203 TRAINING
FOREWORD
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 alignment procedures and must be consulted
before performing any service. The information in this manual is as accurate as possible
at the time of publication. Circuit designs and drawings are subject to change without
notice.
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
possible injury.
All integrated circuits, all surface mounted devices, and many other
semiconductors are electrostatically sensitive and therefore require
special handling techniques.
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