Table of Contents
Advertisement
INTRODUCTION ................................................................................................................................ 5
PRODUCT SAFETY NOTICE ........................................................................................................... 5
SAFETY PRECAUTIONS ................................................................................................................. 6
DISASSEMBLY ................................................................................................................................. 7
Front Cabinet Components ............................................................................................................. 7
Chassis Removal ............................................................................................................................ 8
Chassis Disassembly / Accessing PWBs ..................................................................................... 12
Light Engine Replacement ............................................................................................................ 17
SERVICING THE LENTICULAR LENS AND FRESNEL SCREEN ..................................................... 22
Removal of the Lenticular Screen and Fresnel Lens ...................................................................... 22
Installation of the Lenticular Screen and Fresnel Lens ................................................................... 24
ADJUSTMENTS ............................................................................................................................... 25
Option Menu & Defaults ................................................................................................................ 25
LED Indicator Diagnostics ............................................................................................................. 26
Error Codes Operational Check ..................................................................................................... 27
Service Adjustment Mode .................................................................................................... 28
Service Adjustment Mode Operation .................................................................................... 28
Transferring data .................................................................................................................. 29
Light Engine Adjustment ............................................................................................................... 30
Test Signal activation ........................................................................................................... 30
Preliminary .......................................................................................................................... 30
Trapezodial Distortion Adjustment ........................................................................................ 31
Rotation Adjustment............................................................................................................. 31
Hortizontal & Vertical Position.............................................................................................. 32
TROUBLESHOOTING ...................................................................................................................... 33
MICRO / TERMINAL PWBs ................................................................................................. 33
POWER-PWB ..................................................................................................................... 33
OPTICAL ENGINE ............................................................................................................... 34
Protect Lines ....................................................................................................................... 35
USING LEAD FREE SOLDER .......................................................................................................... 36
CHIP PARTS REPLACEMENT ......................................................................................................... 37
REPLACEMENT PARTS .................................................................................................................. 38
Parts Ordering .............................................................................................................................. 38
Critical and Warranty Parts Designation........................................................................................ 38
Parts Tolerance Codes .................................................................................................................. 38
Quick Reference List .................................................................................................................... 39
SERVICE PARTS LIST .................................................................................................................... 40
SCREEN ASSEMBLY PARTS LIST .................................................................................................. 48
CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 49
Main Power Supply ....................................................................................................................... 49
Lamp Ballast DC Supply ............................................................................................................... 50
Fans Power Supply ....................................................................................................................... 50
MODEL: WD-52526 / WD-62526
CONTENTS
Page 3
Advertisement
Table of Contents
