File name 28n33e2_service_manual1.pdfTOSHIBA
SERVICE MANUAL
COLOUR TELEVISION
AK37 Chassis
28N33E2
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 µ-Controller ... 4 3. TUNER ... 5 4- MULTISTANDARD SOUND PROCESSOR ... 5 5. SOUND OUTPUT STAGE TDA7269A ... 5 6. VERTICAL OUTPUT STAGE WITH STV9306 ... 5-6 7. VIDEO OUTPUT AMPLIFIER STV5112 ... 6 8. POW |