Eiki LC-WNB3000N User manual

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LCD Projector
Service Manual for
EIKI LC-WNB3000N/ XNB3 00N
Ver. A_02
Date: 29th , May.’13

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Table of Contents
Revision History..........................................................................................................2
Introduction.................................................................................................................4
Important Service Information........................................................................................4
Safety Notice ................................................................................................................4
General Descriptions...................................................................................................4
Product Overview ........................................................................................................5
Key Features……………………………………………………………………………………5
Packing..........................................................................................................................6
Level 1 Alignment Service..........................................................................................7
Software/Firmware Upgrade Process............................................................................7
Update USB Firmware Procedure.................................................................................12
Disassembly/Assembly.................................................................................................16
Exploded Chart.............................................................................................................17
Disassembly Indication................................................................................................28
Level 2 Structure Diagram..........................................................................................43
Block Diagram ..............................................................................................................44
Troubleshooting............................................................................................................45
Level 3 Service Mode and Calibration........................................................................56
Service Mode for Service Repair only............................................................................57
Lamp Timer Reset..........................................................................................................60
Contrast and Brightness Calibration ............................................................................. 61
Security........................................................................................................................ 62
Electrical Interface Character………………………………………………………………….68

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Introduction
This section contains general service information, please read through carefully. It should be
stored for easy access place.
Important Service Information
Safety Notice
1 Make sure your working environment is dry and clean, and meets all government safety
requirements.
2 Ensure that other persons are safe while you are servicing the product.
3 DO NOT perform any action that may cause a hazard to the customer or make the product
unsafe.
4 Use proper safety devices to ensure your personal safety.
5 Always use approved tools and test equipment for servicing.
6 Never assume the product’s power is disconnected from the mains power supply. Check that
it is disconnected before opening the product’s cabinet.
7 Modules containing electrical components are sensitive to electrostatic discharge (ESD).
Follow ESD safety procedures while handling these parts.
8 Some products contain more than one battery. Do not disassemble any battery, or expose
it to high temperatures such as throwing into fire, or it may explode.
9 Refer to government requirements for battery recycling or disposal.
General Descriptions
This Service Manual contains general information. There are 3 levels of service:
Level 1: Alignment Service
Level 2: Circuit Board
Level 3: Service Mode and Calibration

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Product Overview
The Projector consists of the LCD projector controller, Lamp controller, Power supply system, and
the system cooling controller. The LCD controller captures the digital PC data and video data and
converts them into the LCD display device. The lamp controller controls the lamp’s power and
synchronizes its frequency with color display sequence. Power supply unit controls the AC line
power factor and converts primary voltage to secondary low voltage for digital board. The system
cooling controller drives the airflow to cool the lamp’s heat and electrical component’s heat.
Key Features
- High Brightness – 3500 ANSI Lumens
- Designed for tough environments
- Easy Installation & maintenance even when ceiling mounted
- Built-in auto detector sensor
- Side change filter
- Side change lamp
- Superb quality images
- High security of advanced anti-theft features
- Enhanced features
- Five Auto functions
- Seven display modes
- Powerful 10W audio speaker included
-- Green power compliance
- Image freeze function
- Dynamic contrast
- Multi Language OSD (On-Screen Display)
- LAN (RJ45) monitoring utility for remote management
- Multiple interfaces
- Logo capture
- Image freeze function
- LAN Control
- LAN Display
- USB Display
- PC-less presentation (Photo, Video, Audio and Microsoft Office Viewer)
- 1.5G bytes free internal storage for multi-media display
- WiFi Display (Option)

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Packing

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Download Firmware Procedure
1. Make sure Power switch is turned to “OFF”.
2. Plug power cord into projector.
3. Plug in RS-232 cable between computer and projector side.
1. Please make sure your PC had already been installed ”Microsoft .NET Framework Version 2.0 ”.
If not, please visit Microsoft website to download and install. (Picture 1)
( Picture 1 )
2. If you are WinXP and Win2000 user, but can not install ”Microsoft .NET Framework
Version 2.0 ”,
Please visit Microsoft website to download and install ”Windows Installer 3.1” first, then install
“Microsoft .NET Framework Version 2.0 ”again. (Picture 2 )
( Picture 2 )

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3. Please make sure the ”Microsoft .NET Framework Version 2.0 ” had been installed completely,
then, open the firmware folder. Execute the “ED_UpgradeFlasher.exe“(Picture 3)
( Picture 3 )
4. After executethe “ED_UpgradeFlasher.exe“(Picture 3), you will see the window (Picture 4).
Please press “Connect” Button.
(Picture 4 )

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5. After pressing “Connect” Button, please press “Flash Mode” Button as following Picture 5.
( Picture 5 )
6. The Pixel Work Image Processor SDK Flasher Upgrader will process automatically.
( Picture 6)

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7. When the firmware is flashed completely, you will see the below picture (Picture 7), please
press “ OK ” to quit this program.
( Picture 7 )
8. If you need to re-flash another projector, please repeat Item 4 to 7 steps.