Eiki EK-800U Manuale utente
SERVICE MANUAL
Copyright January 2016 All Rights Reserved
EK-800U
Date Revise Version Description
2016.01.11 V1.0 Initial Issue
(C) 2016 EIKI Industrial Inc,
EK-800U
2
Preface
This manual is applied to EK-800U projection system.The manual gives you a brief
description of basic technical information to help in service and maintain the product.
Your customers will appreciate the quick response time when you immediately identify
problems that occur with our products.We expect your customers will appreciate the
service that you offer them.
This manual is for technicians and people who have an electronic background.Please send
the product back to the distributor for repairing and do not attempt to do anything that is
complex or not mentioned in the troubleshooting.
Note: The information found in this manual is subject to change without prior notice.Any
subsequent changes made to the data herein will be incorporated in future edition.
EK-800U Service Manual
Copyright Jan. 2016
All Rights Reserved
Manual Version Rev 1.0
EK-800U
3
Table of Content
Chapter 1 Introduction
Highlight 1-1
Chapter 2 Disassembly Process
Equipment Needed & Product Overview 2-1
Disassemble Projector Lens 2-2
Remove the Fan 1 and Fan 2 2-3
Remove the Lamp 1 and Lamp 2 Module 2-5
Remove the Color Wheel Module 2-6
Remove the Fuse 2-7
Remove Top Cover 2-8
Remove Main Board 2-9
Remove the front cover and components 2-16
Remove the Back Cover 2-18
Remove the Left Cover 2-21
Remove the Keypad 2-22
Remove the Right Cover and Fan 4 2-23
Remove the lamp driver 2-24
Remove the Optical Engine Module 2-27
Remove the DA,Lamp Housing 2-30
Remove the DMD,DMD Board 2-31
Remove the Color Wheel Docking Board 2-33
Remove the AC Inlet 2-34
Remove the Power Supply 2-35
Remove the Fan 7 and Fan 10 2-36
Remove the bottom cover 2-37
Repair Action 2-38
EK-800U 4
Chapter 3 Troubleshooting
LED Lighting Message 3-1
Equipment Needed 3-2
Main Procedure 3-3
No Power Troubleshooting 3-4
Power Troubleshooting 3-5
Pin Protect Troubleshooting 3-8
Image Performance Troubleshooting 3-9
Remote Control Troubleshooting 3-13
Network Troubleshooting 3-14
Chapter 4 Test & Inspection
Test Equipment Needed 4-1
Service Mode and Factory Mode 4-1
Factory Reset 4-3
Calibration 4-4
Adjustment 4-11
Chapter 5 Firmware Upgrade
Formatter/Scalar/LAN/MCU Firmware Upgrade 5-1
Recovery Mode 5-9
Re-write Serial Number 5-11
Appendix A
Exploded Image I
1-1
EK-800U
Chapter 1 Introduction
1. Introduction
1-1 Highlight
No Item Description
1Dimensions (W xH x D)
• 520 x 208 x 591 mm (with protrusion)
• 520 x 194 x 591 mm (without protrusion)
2 Weight (kg) • 23.8 kg (without lens)
3 Power Supply
• 1150W (110V)
• AC 100 - 120 V, 200 - 240 V
• Fuse:250V 15A
4 Keystone Correction
• Horizontal: +/- 20 degrees
• Vertical: +/- 20 degrees
5 Brightness • Normal: 12000 lm
• Eco: 9600 lm
6 Throw Ratio
• AH-B22010(A18): 0.84~1.02
• AH-B22020(A19): 1.02~1.36
• AH-B22030(A20): 1.20~1.50
• AH-B21010(A21): 1.50~2.00
• AH-B24010(A22): 2.00~4.00
• AH-B23010(A23): 4.00~7.20
7 Uniformity • 90% (JBMA)
8Lamp • 1500 hours typical (Normal:465W)
• 2000 hours typical (Eco:370W)
9 I/O Terminal
• HDBase-T:
• 3G HD-SDI:
• HDMI:
• DVI-D:
• R/G/B/H/V, Y/Pb/Pr:
• VGA:
• Video:
• VGA (Out):
• 3D Sync:
• RJ45 x 1
• BNC x 1
• HDMI (v1.4a)x 1
• DVI-D x 1
• BNC x 5
• D-sub 15 pin x 1
• BNC x 1
• D-sub 15 pin x 1
• BNC x 1
1-2 EK-800U
Chapter 1 Introduction
No Item Description
10 Control Terminal
• LAN Control:
• Remote Control IN:
• Remote Control OUT:
• Serial port (RS232C):
• Wi-Fi (with dongle):
• Service:
• RJ45 jack x 1
• Mini jack (3.5mm) x 1
• Mini jack (3.5mm) x 1
• D-Sub 9 pin (Cross) x 1
• USB Type A x 1
• Mini USB x 1
11 DMD chip • 0.96" WUXGA, Type A, DC3
12 Native resolution • 1920 x 1200
13 Video Compativility • NTSC (M, 3.58/4.43 MHz)
• PAL (B/D/G/H/I/M/N, 4.43 MHz)
14 Color Wheel • Brightness type (Normal): 6 segments (Y44 type)
• Color type (Optional): 6 segments (Y41 type)
15 Operating Temperature
• 0~40 degree
• 0~2500 ft: 0~40 degree
• 2500~5000 ft: 0~35 degree
• 5000~10000 ft: 0~30 degree
Note:Measurement,measuring conditions and method of notation all comply
with ISO 21118 international standards.
2-1
EK-800U
Chapter 2 Disassembly Process
2. Disassembly Process
2-1 Equipment Needed & Product Overview
1. Screw Bit (+) :105
2. Screw Bit (+) :107
3. Screw Bit
(-)
:107
4. Hex Sleeves 5 mm
5. Hex Sleeves :14.0 mm
6. Needle-nose pliers
7. Projector
* Caution:
-This process is protective level II. Operators should wear electrostatic chains.
-The unit should be powered down and disconnected from mains.
-WhendisassembleEnginemodule(2-18),pleasenoticethatitrequirespecic
environmental conditions (clean room).
Chapter 2 Disassembly Process
2-2 EK-800U
2-2 Disassemble Projector
Lens
1. Press and hold on the lens bar.
2. Hold on projector lens, rotate it carefully
(As red arrow), then remove it carefully.
lens
Chapter 2 Disassembly Process
2-3
EK-800U
2-3 Remove the Fan 1 and Fan 2
1. Open the lamp cover module to loosen two
captive screw.
2. Remove the lamp cover module.
3. Loosen four screws and unplug two connectors
to remove the fan 1 and fan 2.
4. Disconnect the extended wire then separate
the outlet vent cover and fan.
Chapter 2 Disassembly Process
2-4 EK-800U
5. Tear off two rubbers to separate fan 1 and fan 2.
Note:Fan 1 and fan 2 are the same.
6. Unscrew two screws to remove the fan docking board.
7. Replace the rear cover if required.
Fan docking board
Rear cover
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