Electric shock may result if you operate carelessly because there is electric charge remaining to reduce
power consumption in the Power Supply.
Make sure to follow the procedure below.
" 3.3.14 PS Ballast Assy (p122) "
INTERNAL USE ONLY
EB-E01 series
INTERNAL USE ONLY
NOTICE
All rights reserved. No part of this manual may be reproduced, stored in retrieval system, or transmitted in any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without prior written permission of SEIKO EPSON CORPORATION.
The contents of this manual should be handled with sufficient consideration for confidentiality reasons.
After publication of this manual, the parts and mechanism may be subject to change for improvement of their performance. Therefore, note that the descriptions
given in this manual may not coincide with the actual machine.
Other company or product names used herein are for identification purpose only and may be trademarks or registered trademarks of their respective owners.
EPSON disclaims any and all rights in those marks.
EPSON is a registered trademark of Seiko Epson Corporation.
Other product names used herein are for identification purpose only and may be trademarks or registered trademarks of their respective owners.
Copyright 2020 SEIKO EPSON CORPORATION.
SEIKO EPSON 2Revision A
EB-E01 series
INTERNAL USE ONLY
About This Manual
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the product.
The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page.
CHAPTER 1. PRODUCT DESCRIPTIONS
Provides a general overview of the features and specifications of the product.
CHAPTER 2. TROUBLESHOOTING
Explains basic confirmation items for identifying the location of obstacle based on defects and abnormal symptoms.
CHAPTER 3. DISASSEMBLY / ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling the main component units and parts of the product.
CHAPTER 4. APPENDIX
Provides preventive maintenance procedures for servicing the product.
SEIKO EPSON 3Revision A
EB-E01 series
INTERNAL USE ONLY
IMPORTANT PRECAUTIONS IN SAFETY AND MAINTENANCE PERFORMANCE
Here describes the important points to keep in mind in repair and maintenance performance.
SYMBOLS
To prevent injury to the repair technicians and to protect the devices, the categorized safety instructions are provided in this manual with the symbols below. Be sure to read and
understand their meanings before proceeding to the next section.
CategorySymbolMeaning
Danger
Warning
Caution
Prohibited
Matter
Instruction
Reassembly
Setting/
Maintenance
Indicates an extremely hazardous operation which, if ignored or operated incorrectly, could result in serious or
fatal personal injury.
Indicates a potentially hazardous operation which, if ignored or operated incorrectly, could result in serious or
fatal personal injury.
Indicates a potentially hazardous operation which, if ignored or operated incorrectly, could result in minor injury
or damage to equipment.
Indicates a prohibited action or operation in repair and maintenance performance.
Indicates a compulsory action or operation that must be carried out in repair and/or maintenance.
Indicates a compulsory action or operation for reassembly of disassembled parts that must be carried out in repair
and/or maintenance.
Indicates a compulsory action or operation for settings or maintenance that must be carried out in repair and/or
maintenance.
Point
Indicates reference information in repair and/or maintenance.
SEIKO EPSON 4Revision A
EB-E01 series
INTERNAL USE ONLY
SAFETY INSTRUCTIONS
The precautionary measures itemized below should be fully understood when
performing repair and maintenance procedures.
When disassembling/assembling, be sure to turn off the power
switch and pull out the power cable from the projector beforehand.
Be extremely careful about the current-carrying part during a test
operation, signal measurement or any other situations that is
necessary to perform the repair/maintenance work with the power
turned on and the cover removed.
Take off the things made of metal (such as a wrist watch, cuff
buttons, rings, tie pin, etc.) which may come in contact with the
parts inside the projector.
Do not touch the lamp assy. or the parts around it. They are
extremely hot even after completing the cooling down operation,
and may cause a burn injury. Therefore, leave the unit until it
becomes cool enough before performing maintenance work.
Never let the safety devices mounted in this product inactivated,
modify the safety devices or replace them with the ones that are not
designated for any reason whatsoever. (Such actions may endanger
the projector's safety operation and may result in a fire or serious
injury.)
Never peer through the projection lens during repair/maintenance
work when the power is on. (Such an action may cause a visual
disability because of a very strong light emission.)
Never use a deformed plug or a damaged power cable to this
product. If any deformations or damages are found on the power
cable or plug section, replace it with a new specified power cable.
Never use the air blowers that contain flammable gas in repair/
maintenance work.
Never use or replace with any service parts that is not specified by
EPSON.
Do not disassemble any parts or components not specified in this
manual.
Do not apply any shock or vibration. (Otherwise, misalignment of
the optical parts inside the engine may cause irregular reflection of
the light and may result in burn (smoke) or damage to the internal
parts.)
Do not touch any parts such as inorganic polarizers that are
instructed not to.
Never modify the product for any reason whatsoever. (Except for a
case that is under the instructions to do so. In such a case,
understand the instructions thoroughly in advance and perform
modification appropriately.)
SEIKO EPSON 5Revision A
EB-E01 series
Be sure to perform the repair/maintenance work on the even and
stable work bench to prevent the product from dropping down or
mal-operation due to the improper setting of the product.
Be sure to take off the metal products such as wrist watch, cuff
buttons, rings, tie pin etc. in repair and/or maintenance to avoid
unsafe situations.
Be sure to wear the gloves during the repair/maintenance work to
avoid injuries by the parts with sharp edges such as metal plate or
the like.
INTERNAL USE ONLY
Be careful not to drop a metal part such as a screw, a washer, or a
clip into the inside of the product. If such cases should occur
accidentally, never turn on the power supply until all the dropped
parts are found and removed.
After reassembling the product, check the followings before
turning the power on.
All the parts and screws are installed and secured to the proper
positions.
No cables are caught in the metal frames.
If there are accumulated dust or foreign objects inside the product,
make sure to remove them before disassembling/reassembling the
product.
OTHER CAUTION
To protect sensitive circuitry, follow the instructions below.
When disassembling or reassembling, be sure to wear static
discharge equipment such as an anti-static wrist strap and a mat.
Since the lamp of this product contains mercury, be sure to dispose the used lamp
pursuant to the government’s law and regulations.
When replacing the circuit component such as a board or the
optical engine, be sure to contact the anti-static case containing
the new one to the metal part of this product before taking it out.
When performing the repair/maintenance work, be sure to use the
specified tools and follow the instructions that are specified in the
documents (service manual etc.) concerning to this product.
When carrying out the test operation, do not block the intake and
exhaust ducts.
(Such an action raises the internal temperature and may cause a
fire or a damages to the internal parts of this product.)
SEIKO EPSON 6Revision A
EB-E01 series
INTERNAL USE ONLY
REVISION HISTORY
After first release of this manual, the parts and mechanism may be subject to change for improvement of their performance and the manual may be revised. Be sure to always keep
this manual up to date.