SONY KP-43T70 free download

File name TVP10_RA-3 & RA-4A Chassis.pdf

S ® Training Manual Projection Television RA-3 & RA-4A Chassis Models: KP-43T70 KP-53N74 KP-48V80 KP-46C70 KP-52S70 KP-53V80 KP-48S70 KP-61S70 KP-61V80 KP-48S72 KP-53XBR300 KP-61XBR300 Circuit Description and Troubleshooting Course: TVP-10 Sony Service Company A Division of Sony Electronics Inc ©1999 All Rights Reserved Printed in U.S.A. S is a trademark of Sony Electronics Circuit Description and Troubleshooting: Models: KP-43T70 KP-53N74 KP-48V80 KP-46C70 KP-52S70 KP-53V80 KP-48S70 KP-61S70 KP-61V80 KP-48S72 KP-53XBR300 KP-61XBR300 Prepared by: National Training Department Sony Service Company A Division of Sony Electronics Inc. Course presented by _____________________________________ Date ___________________________________________________ Student Name ___________________________________________ S SEL Service Company A Division of Sony Electronics Inc. 1 Sony Drive Park Ridge, New Jersey 07656 TVP100100 Printed in U.S.A. Table of Contents Introduction RA-3 Features RA-3 and RA-2 Similarities RA-3 and RA-4 Similarities RA-3 New Circuitry 1 1 2 2 2 8-Bit A/D Converter 9 Picture and Picture (V Models) Main Y Signals Main C Signal Main Decoder and YUV Switch Picture and Picture Controller 11 11 11 11 11 Power Supply Protection Latch +135 Volt Over Voltage +135 Volt Over Current Protection Standby Unregulated OVP Standby +5 Volt OCP 3 3 3 3 3 3 Video Processing YUV Controller YCJ 13 13 13 On Screen Displays Micro OSD V Chip/CC OSD PJ OSD 15 15 15 15 V Model Video Path Block Switching Main Processing P&P Processing OSD YCJ 5 5 5 5 5 5 CRT Drive (CG) Tube Bias Ik Return 17 17 17 S Model Video Path Block Switching Main Processing PIP Processing OSD YCJ 19 19 19 19 19 19 KP-53V80 Video Switching KP-53V80 Video 4 and Video 5 Inputs Composite Video and Y Switching Color Switching 7 7 7 7 Comb Filter (V Models) 9 Switching and Comb Filter (S Models) Video Inputs Switching and Comb Filter 21 21 21 Self-Diagnostics Standby Power Supply Converter Operation Regulation Over Current Protection (OCP) Over Voltage Protection (OVP) Secondary Output Checking Q621 i iii iii iii v v v v Picture in Picture (S Model) Sub Y Signal Sub C Signal Sub Decoder, PIP Processor and YUV Switch 23 23 23 23 RA-4 vs. RA-4A RA-4A Features "1080I Capable" RA-4 and RA-4A Circuit Differences 25 25 26 26 Switching Power Supply Primary Rectifier Oscillator Regulation Soft Start Limit Troubleshooting vii vii vii vii ix ix xi Video Path Block Inputs Main Video Sub-Video Video Processor 27 27 27 27 27 Horizontal Deflection Horizontal Scanning High Voltage Development xv xv xvii DTV Video Processing Block Component Input Selected RGB Inputs Selected 29 29 29 Vertical Deflection Vertical Drive Protection xxi xxi xxi DTV Video Processing Circuit Description 31 31 VD Mute RGB Mute 33 33 Convergence Block Convergence Auto Focus (Auto Registration) xxiii xxiii xxiii Appendix 1 Sensor Amp Auto Focus Circuit Description xxv xxv xxix BD In