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050-200262
TOSHIBA
SERVICE MANUAL
COLOUR TELEVISION
24W33B
AK37 Chassis
PRINTED IN UK. 2003 C
CONTENTS
SAFETY PRECAUTIONS: ................................................................................................................................... 2
TV set switched off .......................................................................................................................................... 2
Measurements ................................................................................................................................................ 2
PERI-TV SOCKET ............................................................................................................................................... 2
SCART 1 2
SCART 2 2
1. INTRODUCTION ............................................................................................................................................. 2
2. SMALL SIGNAL PART WITH STV2248 ........................................................................................................... 3
2.1 Vision IF amplifier ................................................................................................................................... 3
2.2 QSS Sound circuit (QSS versions) ......................................................................................................... 3
2.3 FM demodulator and audio amplifier (mono versions) ......................................................................... 3
2.4 Video switch ............................................................................................................................................ 3
2.5 Synchronisation circuit ............................................................................................................................ 3
2.6 Chroma and luminance processing ...................................................................................................... 4
2.7 RGB output circuit ................................................................................................................................... 4
2.8