JVC 250 service manual Introductio n, Contents, Safety

Chapter 1---Introduction

1.0 Introductio n

Contents

1.1	Safety	1-1
1.2	Updates	1-2
1.3	Acronyms Used	1-2

The Model 250 Service Manual will provide information on how the each of the different components function individually and how they work together to take a source input image and project that image onto the screen. It will provide a list of the tools and procedures needed to perform necessary adjustments and to remove and replace components. The tools needed to perform any task are included in the procedure. The Model 250 Service Manual will provide diagrams and test points to help in diagnosing and troubleshooting. It will provide illustrations to show location and proper configuration of major and minor components. This manual will assist the Hughes-JVC Certified Technician with information to properly maintain and when necessary, troubleshoot the Model 250 projector. Use the Model 250 Service Manual in conjunction with the Model 250 User’s Guide.

The User’s Guide covers

!Installation,

!Operation,

!Setup Adjustments

!Specifications

This Service Manual covers:

!Projector functional description

!Service adjustments

!Removal and replacement of subassemblies

!Troubleshooting

Together, the Service Manual and User’s Guide provide a qualified service person with information to properly operate and maintain the projector.

1.1Safety

This projector contains high voltages in the power supplies and around the CRTs and high intensity light sources in and around the Arc Lamp and optical path. Read the entire Safety Chapter at the front of this manual before performing any adjustments or maintenance.

Model 250 Service Manual 1-1