Epson EMP-S4 Service Manual page 2

INTRODUCTION
This Service Manual describes the hardware information necessary for troubleshooting and
field service of the EMP-S4 DATA PROJECTOR.
Before starting service on this unit, always check the EPSON website for additional up-to date
service information provided in Technical Information Bulletins.
HOW TO USE THE SERVICE MANUAL
Before you start the maintenance service, read the SAFETY INSTRUCTIONS carefully.
The contents are as follows:
• Safety Instructions: Operator Safety, Maintaining the projector in good condition
• Chapter 1:
• Chapter 2:
• Chapter 3:
• Chapter 4:
• Chapter 5:
VCCI RADIO FREQUENCY INTERFERENCE SELF RESTRICTION
This product is Type 1 information equipment and uses radio frequency energy. It fully com-
plies with the rules of the Voluntary Control Council for Interference by Information Technol-
ogy Equipment (VCCI). Accordingly, if this product is used in a residential area or place
situated close to residential area, it may interfere with reception of televisions or radios in the
neighborhood. Follow the instruction manual to avoid mishandling of this product.
TRADEMARK
EPSON is a trademark of SEIKO EPSON CORPORATION.
NOTICES
• This document should not be reproduced in whole or in part without the written permission
of SEIKO EPSON CORPORATION.
• Any information in this document is subject to change without prior notice.
• The information and specifications in this document are the most up-to-date at the time of
publication. However, we are unable to guarantee the accuracy of printed material after the
date of publication. In case of any mistake or lack of description, please kindly notify us.
• Any influence by utilizing the document may be out of our responsibility regardless the
item 3 above.
SEIKO EPSON
EMP-S4
PRODUCT SPECIFICATION (Part name, System function,
Specification, etc.)
THEORY OF OPERATION (Hardware, Internal connection,
Function of units, etc.)
TROUBLE SHOOTING
DISASSEMBLY & ASSEMBLY (Procedures to disassemble the
main unit)
APPENDIX (AS (After Service) menu)
0-2 Revision:B