Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA LCD Proj Toshiba_15VL56_20VL56

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                                FILE NO. 050-200533




    SERVICE MANUAL


    LCD Color Television
                            15VL56B
                            20VL56B
                            20VL56G




TOSHIBA CORPORATION, 2005     Published in Japan, Sep. 2005 (YC)
                                                             TABLE OF CONTENTS

SERVICE SAFETY PRECAUTIONS ................................................................................................................................... 3
HANDLING THE LCD MODULE ......................................................................................................................................... 5
1. SERVICE MODE ............................................................................................................................................................. 7
   1-1. STARTING SERVICE MODE .................................................................................................................................... 7
2. ADJUSTMENT ................................................................................................................................................................ 9
   2-1. ADJUSTMENT TOOLS AND CONDITIONS ............................................................................................................ 9
   2-2. AUTO GAIN/OFFSET ADJUSTMENT ...................................................................................................................... 9
   2-3. DDC EDID DATA READ & WRITE .......................................................................................................................... 10
3. VCTI FIRMWARE INSTALLATIONS/UPGRADING ....................................................................................................... 20
   3-1. VCTI FIRMWARE INSTALLATIONS ....................................................................................................................... 21
   3-2. SCALER FIRMWARE INSTALLATIONS ................................................................................................................. 27
4. TROUBLESHOOTING ................................................................................................................................................... 34
5. EXPLODED VIEW ......................................................................................................................................................... 39
6. CHASSIS AND CABINET REPLACEMENT PARTS LIST ............................................................................................ 40
7. PC BOARDS TOP & BOTTOM VIEW ............................................................................................................................ 49
8. SCHEMATIC DIAGRAM ................................................................................................................................................ 52
   8-1. WIRING DIAGRAM ................................................................................................................................................. 53
   8-2. BLOCK DIAGRAM (20VL56B/G) ............................................................................................................................ 54
   8-3. BLOCK DIAGRAM (15VL56B) ................................................................................................................................ 55
9. SPECIFICATIONS ......................................................................................................................................................... 74




                                                                                    -2-
                                    SERVICE SAFETY PRECAUTIONS




                                                                                                                                GENERAL ADJUSTMENTS

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