Mitsubishi Electric WD-52525, Service Manual

Page: 3 / 55

MODEL: WD-52525 / WD-52725 / WD-52825 / WD-62525 / WD-62725 / WD-62825
Page 3
INTRODUCTION ................................................................................................................................ 5
PRODUCT SAFETY NOTICE ........................................................................................................... 5
SAFETY PRECAUTIONS ................................................................................................................. 6
DISASSEMBLY PROCEDURES ......................................................................................................... 7
Cabinet Front Disassembly ............................................................................................................. 7
Cabinet Rear Disassembly .............................................................................................................. 9
ELECTRICAL CHASSIS REPLACEMENT ........................................................................................ 10
OPTICAL ENGINE REPLACEMENT ................................................................................................. 13
DATA COPY PROCEDURE ............................................................................................................... 16
DIAMONDSHIELD™ REPLACEMENT.............................................................................................. 17
SERVICING THE LENTICULAR SCREEN AND FRESNEL LENS ..................................................... 18
INITIAL SETUP ................................................................................................................................ 20
FRONT PANEL LED DIAGNOSTICS ................................................................................................ 22
SERVICE ADJUSTMENTS ............................................................................................................... 24
Equipment .................................................................................................................................... 24
Circuit Adjustment Mode ............................................................................................................... 24
Adjustment Items and Initial Data Settings ................................................................................... 26
Electrical Adjustments .................................................................................................................. 27
Mechanical Adjustments ............................................................................................................... 27
REPLACEMENT PARTS .................................................................................................................. 30
SCREEN ASSEMBLY PARTS .......................................................................................................... 33
CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 35
PCB INTERCONNECT DIAGRAM
CONTENTS