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File name 11AK49.pdf

TOSHIBA SERVICE MANUAL COLOUR TELEVISION 28YT56/32YT56 PRINTED IN UK. 2003 C Service Manual AK49-001 TABLE OF CONTENTS 1. 1.1. 1.2. 1.3. 2. 2.1. 2.2. INTRODUCTION Purpose Scope General Features GENERAL DESCRIPTION Introduction System Building Blocks UOC-III (Ultimate-One-Chip) Fav & B_Svhs & F_Svhs Scart1 Scart2 Scart3 VestelBus Audio Port Allocations Power Management Input & Output Performance Feature Board 4 4 4 4 5 5 5 5 8 8 8 9 9 9 10 11 12 14 15 15 17 18 19 19 20 22 23 24 24 25 28 28 1 2.2.1. 2.2.1.1. 2.2.1.2. 2.2.1.3. 2.2.1.4. 2.2.1.5. 2.2.1.6. 2.2.1.7. 2.2.1.8. 2.2.1.9. 2.2.1.10. 2.2.2. Audio Block Audio Power Amplifier Headphone Amplifier Pop Noise Protection Circuit 2.2.2.1. 2.2.2.2. 2.2.2.3 2.2.3. Deflection & Display Block Horizontal Deflection Vertical Deflection CRT Board Rotation X-RAY Protection Dynamic Focus Screen & Focus Short Circuit Protection 2.2.3.1. 2.2.3.2. 2.2.3.3. 2.2.3.4. 2.2.3.5. 2.2.3.6. 2.2.3.7 2.2.4. SMPS BLOCK Primary Block 2.2.4.1. 2.2.4.2. Secondary Block 2.2.5 CABELING 2.2.6 CABLE SPECs 2.2.6.1 RGB CABLE 2.2.6.2 200V CABLE (with BSVM) 2.2.6.3 200V CABLE (with BSVM) 2.2.7 SAW FILTER 2.2.8 TUNER 3. AK49 CHASSIS MANUAL ADJUSTMENTS PROCEDURE 3.1 SMPS B+ADJUSTMENT 3.2 AFC ADJUSTMENT 3.3 FOCUS ADJUSTMENT 3.4 SCREEN ADJUSTMENT 4. AK49 CHASSIS PRODUCTION SERVICE MODE ADJUSTMENTS 5. MENU LANGUAGE TABLE 6.PICTURE MODES 7. CIRCUIT DIAGRAMS 8. APPENDIX DVB-T MODUL SERVICE MANUAL 29 31 33 33 35 37 39 40 41 41 41 41 42 43 74 75 79 84 2 Document History Document Versi on v0.1 Date Revision and Review History 14.12.2004 File Name: AK49_SM_VO1 Draft YAVUZ NCE SERDAR GЬLTEN KAGAN M. PANCAR Status Prepared by Approved by 3 1. Introduction 1.1. Purpose This document is prepared for the UOC3 TV project and describes the whole system features and operating principles to be used in hardware design phase. The document is based on "Device Specification UOCIII-Version 2.5" and "Introducing UOC-III" from Philips Semiconductors. 1.2. 1.3. Scope General Features The document covers detailed descriptions of AK49 chassis system building blocks. AK49 is a 110° / 50 Hz. chassis which is capable of driving CRT sizes in the range of 24" ­ 33", including realflat and 16:9 CRT's . The chassis has the following main features; · · · · · · · · · · · · · · · · · · · · · · · Remote Control Colour Standards ; PAL, SECAM, NTSC, Transmission standards ; B/G, L/L' I/I', DK, Teletex ; 10 pages, Intercarier/QSS sound proccessing, Multi-standard alignment free PLL tuning, PIP, PAP, POP, PAT, TAT , CTI option , 2D Comb Filter ,2D/4H Headphone with volume control, SubWoofer option, 2 Full Scart with SVHS availability via Scart-2 , Scart-3 / BAV, FAV and F_SVHS /B_SVHS, BSVM option, Dynamic Focus option, Rotation (Tilt) option, NICAM/GERMAN Stereo, Virtual Dolby option, 2 x 10W (%10 THD), YPbPr input feature, TV-DVD Combi , IDTV , TV-R/HDD, EPG, 4 2. General Description 2.1. Introduction This chapter describes system building blocks a

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