Table of Contents
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MODELS: WD-73640 / WD-73740 / WD-73840 / WD-73C11 / WD-73CA1 /
INTRODUCTION .................................................................................................................................. 5
Dimensions, weight, power usage, etc. ............................................................................................ 5
PRODUCT SAFETY NOTICE .............................................................................................................. 5
SAFETY PRECAUTIONS .................................................................................................................... 6
DISASSEMBLY & PARTS REPLACEMENT ...................................................................................... 7
Back Cover Removal ........................................................................................................................ 7
Chassis Removal ............................................................................................................................ 8
Rear Terminal Cover Removal ......................................................................................................... 8
PWB-POWER Removal ................................................................................................................... 9
PWB-MAIN Removal ........................................................................................................................ 9
PWB-BALLAST Removal ............................................................................................................... 10
Optical Engine Assembly Removal & Disassembly ....................................................................... 10
Optical Engine Replacement .......................................................................................................... 13
Projection Lens Replacement ........................................................................................................ 14
Color Wheel Replacement ............................................................................................................. 15
Screen Replacement ...................................................................................................................... 16
Mirror Replacement ........................................................................................................................ 20
SERVICE PROCEDURES ................................................................................................................. 23
Remote Control .............................................................................................................................. 23
Option Menu ................................................................................................................................... 24
Reset and Initialization ................................................................................................................... 26
LED Indications & Self Diagnostics ................................................................................................ 27
Error Codes .................................................................................................................................... 28
Error Code Log ............................................................................................................................... 28
Sound Projector Transducer Test .................................................................................................. 29
Service Adjustments ....................................................................................................................... 30
Equipment & Test Signals ..................................................................................................... 30
Service Menu ........................................................................................................................ 30
Horizontal & Vertical Position Adjustment ............................................................................. 31
Index Delay Adjustment ........................................................................................................ 31
Manual Geometry Alignment ................................................................................................. 32
Data Transfer Functions ................................................................................................................. 36
Using Lead Free Solder ................................................................................................................. 37
Chip Parts Replacement ................................................................................................................ 38
REPLACEMENT PARTS ................................................................................................................... 39
Safety Critical Parts Designation .................................................................................................... 39
Fuse Replacement Warning ........................................................................................................... 39
Parts Quick Reference ................................................................................................................... 40
Service Parts List ........................................................................................................................... 41
Screen Parts ................................................................................................................................... 46
Mirror Kits & Preparation ................................................................................................................ 48
CIRCUIT BLOCK DIAGRAMS .......................................................................................................... 50
SCHEMATIC DIAGRAMS ................................................................................................................. 56
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