Eiki EK-810U, EK-811W, EK-620U, EK-621W Service Manual

SERVICE MANUAL

Copyright December 2016 All Rights Reserved

EK-810U/EK-811W

Date Revise Version Description

2016.12.26

V1.0 Initial Issue

(C) 2016 EIKI Industrial Inc,

i

EK-810U/EK-811W

Preface

This manual is applied to EK-810U/EK-811W 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-810U/EK-811W Service Manual

Copyright December 2016

All Rights Reserved

Manual Version Rev1.0

ii

EK-810U/EK-811W

Table of Content

Chapter 1 Introduction

Highlight 1-1
Compatible Mode 1-3

Chapter 2 Disassembly Process

Equipment Needed & Product Overview 2-1
Disassemble Projector Lens 2-2
Disassemble Top Cover 2-3
Disassemble Main Board Module 2-4
Disassemble Front Cover 2-9
Disassemble Left Cover 2-10
Disassemble IO Cover 2-11
Disassemble Engine Module 2-13
Disassemble LVPS 2-18
Disassemble Bottom Cover Module 2-21

Chapter 3 Troubleshooting

LED Lighting Message 3-1
Main Procedure 3-2
No Power Troubleshooting 3-3
Power Troubleshooting 3-4
Image Troubleshooting 3-5
Remote Troubleshooting 3-7
Network Troubleshooting 3-8

iii

EK-810U/EK-811W

Chapter 4 Test & Inspection

Test Equipment Needed 4-1
Service Mode 4-1
Factory Reset 4-2
Calibration 4-3
Re-write SN 4-7
Adjustment 4-8

Chapter 5 Firmware Upgrade

System Firmware Upgrade 5-1
Recovery Mode 5-7

Appendix A

Exploded Image I

Appendix B

Error Log I

1-1EK-810U/EK-811W

1-1 Highlight

Chapter 1

Introduction

No Item

Description

EK-810U EK-811W

1 Dimensions (W x H x D) 484 x 181 x 509 mm (without lens, w/o elevators)

2 Weight (kg)

24 kg Net Weight (w/o lens)

25 kg Gross Weight (with A06 lens)

28.5 kg Weight with package (w/o lens)

3 Power Supply

770W (110V)

AC 100 - 240 V (50Hz / 60Hz)

Stand-by Mode: <0.5W

4 Keystone Correction

Horizontal: +/- 20 degrees

Vertical:+/- 20 degrees

5 Brightness

Normal Mode: 8000 lm

ECO Mode: 4000 lm

6

Throw Ratio

AH-A22010A (A15)

AH-A22020 (A01)

AH-A22050 (A06)

AH-A21010 (A03)

AH-A23010 (A13)

0.75 ~ 0.95

0.95 ~ 1.22

1.22 ~ 1.53

1.52 ~ 2.92

2.90 ~ 5.50

0.79 ~ 0.99

1.00 ~ 1.28

1.28 ~ 1.61

1.60 ~ 3.07

3.04 ~ 5.78

7 Lens Shift Horizontal: +/- 15%,Vertical: +/-50%

8 Uniformity Typical 90%,Minimum85%(JBMA)

9 Laser Normal mode:20,000 hours ,ECO mode:35000 hours

10 DMD Chip 0.67”WUXGA DMD, Type A, DC3 0.65”WXGA DMD, Type A, DC3

11 I/O Terminal

1 x HDMI (version1.4) (with locking screw)

1 x DVI-D (only support digital signal)

1 x VGA IN(D-Sub 15pin) (Computer In)

1 x HDBaseT

1 x HDMI Out (version1.4) (with locking screw)

1 x VGA Out

1 x 3D SYNC Out

1-2

EK-810U/EK-811W

No Item

Description

EK-810U EK-811W

12 Control Terminal

1 x RS232 (D-sub 9 pin) (PC Control)

1 x Wired in (3.5mm phone jack) (Remote In)

1 x USB type A (for WiFi dongle purpose)

1 x Mini USB (for LAN FW upgrade only) (Service)

1 x RJ45 (LAN)

13 Native Resolution 1920 x 1200 1280 x 800

14 Filter Wheel

4 Segment—RYGB; Filter Diameter: 67 mm

FW Speed: 7200 rpm (x2) / 10800 rpm (x3)

15 Operating Temperature

0~2500 ft: 5~40 ℃

2500~5000 ft: 5~35 ℃

5000~10000 ft: 5~30

℃

1-3

EK-810U/EK-811W

1-2 Compatible Mode

VGA Analog

- PC Signal

Modes Resolution V.Frequency [Hz]

H.Frequency [KHz]

VGA 640 x 480 60 31.47

VGA 640 x 480 72 37.86

VGA 640 x 480 75 37.5

VGA 640 x 480 85 43.27

SVGA 800 x 600 56 35.2

SVGA 800 x 600 60 37.88

SVGA 800 x 600 72 48.08

SVGA 800 x 600 75 46.88

SVGA 800 x 600 85 53.67

XGA 1024 X 768 60 48.36

XGA 1024 X 768 70 56.48

XGA 1024 x 768 75 60.02

XGA 1024 x 768 85 68.67

SXGA 1152 x 864 70 63.8

SXGA 1152 x 864 75 67.5

SXGA 1152 x 864 85 77.1

SXGA 1280 x 1024 60 63.98

SXGA 1280 x 1024 72 77.9

SXGA 1280 x 1024 75 79.98

1-4

EK-810U/EK-811W

- Extended Wide timing

Modes Resolution V.Frequency [Hz]

H.Frequency [KHz]

WSVGA 1024 x 600 60

37.3

WXGA 1280 x 768 60

44.78

WXGA 1280 x 768 75

60.29

WXGA 1280 x 768 85

68.63

WXGA 1280 x 720 60

44.8

WXGA 1280 x 800 60

49.6

WXGA 1366 x 768 60

47.71

WXGA+ 1440 x 900 60

55.9

WSXGA 1680 x 1050 60

65.3

WUXGA 1920 x 1080-RB 60

66.6

WUXGA 1920 x 1080-EIA 60

67.5

Modes Resolution V.Frequency [Hz]

H.Frequency [KHz]

SXGA 1280 x 1024

85

91.15

Quad VGA 1280 x 960 60

60

Quad VGA 1280 x 960 75

75

SXGA+ 1400 x 1050 60

65.32

UXGA 1600 x 1200 60

75

WUXGA(RB) 1920 x 1200 60

74.038

PowerBook G4 640 x 480 60

31.5

PowerBook G4 640 x 480 66.6(67)

35

PowerBook G4 800 x 600 60

37.88

PowerBook G4 1024 x 768 60

48.36

PowerBook G4 1152 x 870 75

68.68

PowerBook G4 1280 x 960 75

75.2

i Mac DV(G3) 1024 x 768 75

60.3

1-5

EK-810U/EK-811W

- Component signal

Modes Resolution V.Frequency [Hz]

H.Frequency [KHz]

VGA 640 x 480 60

31.47

VGA 640 x 480 72

37.86

VGA 640 x 480 75

37.5

VGA 640 x 480 85

43.27

SVGA 800 x 600 56

35.2

SVGA 800 x 600 60

37.88

SVGA 800 x 600 72

48.08

SVGA 800 x 600 75

46.88

SVGA 800 x 600 85

53.67

XGA 1024 x768 60

48.36

XGA 1024 x768 70

56.48

XGA 1024 x768 75

60.02

XGA 1024 x768 85

68.67

SXGA 1152 x 864 70

63.8

SXGA 1152 x 864 75

67.5

SXGA 1152 x 864 85

77.1

Modes Resolution V.Frequency [Hz]

H.Frequency [KHz]

480i 720 x 480 59.94(29.97) 27

480p 720 x 480 59.94 31.47

576i 720 x 576 50(25) 27

576p 720 x 576 50 31.25

720p 1280 x 720 60 45

720p 1280 x 720 50 37.5

1080i 1920 X 1080 60(30) 33.75

1080i 1920 X 1080 50(25) 33.75

1080p 1920 x 1080 60 67.5

1080p 1920 x 1080 50 56.25

HDMI - PC Signal

- PC Signal

1-6

EK-810U/EK-811W

- HDMI - Extended Wide timing

Modes Resolution V.Frequency [Hz]

H.Frequency [KHz]

WSVGA 1024 x 600 60

37.3

WXGA 1280 x 768 60

47.78

WXGA 1280 x 768 75

60.29

WXGA 1280 x 768 85

68.63

WXGA 1280 x 720 60

44.8

WXGA 1280 x 800 60

49.6

WXGA 1366 x 768 60

47.71

WXGA+ 1440 x 900 60

55.9

WSXGA 1680 x 1050 60

65.3

WUXGA 1920x1080-RB 60

66.6

WUXGA 1920x1080-EIA 60

67.5

WUXGA 1920x1200-RB 59.95

74.04

Modes Resolution V.Frequency [Hz]

H.Frequency [KHz]

SXGA 1280 x 1024 60

63.98

SXGA 1280 x 1024 72

77.9

SXGA 1280 x 1024 75

79.98

SXGA 1280 x 1024 85

91.15

Quad VGA 1280 x 960 60

60

Quad VGA 1280 x 960 75

75

SXGA+ 1400 x 1050 60

65.32

UXGA 1600 x 1200 60

75

PowerBook G4 640 x 480 60

31.5

PowerBook G4 640 x 480 66.6(67)

35

PowerBook G4 800 x 600 60

37.88

PowerBook G4 1024 x 768 60

48.36

PowerBook G4 1152 x 870 75

68.68

PowerBook G4 1280 x 960 75

75.2

i Mac DV(G3) 1024 x 768 75

60.3

WUXGA(RB) 1920 x 1200 60

74.038

1-7

EK-810U/EK-811W

- HDMI - Video Signal

Note: If the Computer Compatibility supportive signal is different from User’s Manual,
please refer to User’s Manual.

Modes Resolution V.Frequency [Hz]

H.Frequency [KHz]

480i 720 x 480 59.94(29.97) 27

480p 720 x 480 59.94 31.47

576i 720 x 576 50(25) 27

576p 720 x 576 50 31.25

720p 1280 x 720 60 45

720p 1280 x 720 50 37.5

1080i 1920 X 1080 60(30) 33.75

1080i 1920 X 1080 50(25) 33.75

1080p 1920 x 1080 60 67.5

1080p 1920 x 1080 50 56.25

1080p 1920 x 1080 23.97/24 27

EK-810U/EK-811W

2-1

Chapter 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. Tweezers

6. Knife

7. Projector

* Before you start:

- This process is protective level II. Operators should wear electrostatic chains.

- When disassemble Engine module , please notice that it require specific environmental

conditions (clean room).

EK-810U/EK-811W

2-2

2-2 Disassemble Projector

Lens

1. Remove the lens cover (as blue arrow).

Projector lens

2. Rotate the lens carefully (as red arrow),

then remove it out carefully.

Note: - Please hold lens module in the
right way.

- Be careful not to dirty the glass
of the lens module.

- Be careful not to touch the motor

of the lens module

Lens cover

Wrong

Right

EK-810U/EK-811W

2-3

2-3 Disassemble Top Cover

1. Loosen 4 black screws (as red circle).

2. Loosen 8 screws (as green circle).

3.Take the top cover module out.

EK-810U/EK-811W

2-4

2-4 Disassemble Main Board

Module

1. Take out the top IR board from the hook.

2. Loosen 18 screws to disassemble top
shielding (as green circle).

3. Loosen 2 screws to disassemble LED
board (as red circle).

LED board

IR board

EK-810U/EK-811W

2-5

4. Loosen 3 screws and 10 hexes (as red

circle).

5.Loosen 9 screws to disassemble main

board (as green circle).

6.Loosen 3 screws to disassemble IO

board (as red circle).

EK-810U/EK-811W

2-6

IO board

Main board

Item

Male Connector

on Connector

Board

The key feature Figure

J5 KEYPAD CONN White connector (30 pin)

J35/J34 FAN10/FAN4

Composed of black,blue,gray,red wires
white connector (4pin)

J33/J32 FAN9/FAN8

Composed of black, green, gray, and red
wires, white connector (4 pin)

J23 P/W FPC FPC

EK-810U/EK-811W

2-7

Item

Male Connector

on Connector Board

The key feature Figure

J38 FAN6

Composed of black, green, gray, and
red wires, a white connector (4 pin)

J25 F/W SENSOR

Composed of white, black, and red
wires, a red connector (3 pin)

J22 F/W FPC FPC

J44/J47

H SENSOR L/ V
SENSOR B

Composed of two white wires, a white
connector (2 pin)

J14 LIGHT SENSOR 2

Composed of white, yellow, pink,
brown, black, and red wires, a white
connector (6 pin)

J48 LD DRIVER

Composed of a white connector, and a
black wire tube (20 pin)

J46 V SENSOR T

Composed of two blue wires, a white
connector, a black wire tube (2 pin)

J43 H SENSOR R

Composed of two red wires, a white
connector, a black wire tube (2 pin)

J45/J42

V POWER/ H
POWER

Composed of yellow, white, red, and
blue wires, a white connector (4 pin)

EK-810U/EK-811W

2-8

Item

Male Connector

on Connector Board

The key feature Figure

J39 ZOOM/FOCUS

Composed of white, yellow, pink,
brown, black, and red wires (six pin)

J8 FRONT IR

Composed of red, black, and white
wires, a green connector (3 pin)

J9 LIGHT SENSOR

Composed of black, yellow, and red
wires, a white connector (6 pin)

J1 LVPS

Composed of a white connector, and a
black wire tube (22 pin)

J24 P/W SENSOR

Composed of white, black, and red
wires, a red connector (3 pin)

J36/J37
J31/J30

J29

FAN7/FAN5/FAN3/
FAN2
FAN1

Composed of black, blue, gray, and
brown wires, a white connector (4 pin)

7.Loosen 6 screws to disassemble bottom

shielding (as green circle).

EK-810U/EK-811W

2-9

2-5 Disassemble Front
Cover

1.Loosen 9 screws to disassemble front

cover (as red circle).

2.Loosen 6 screws to disassemble bracket

(as green circle).

EK-810U/EK-811W

2-10

3. Take out the front IR (as red rectangle).

4.Loosen 5 screws to disassemble front

shielding (as green circle).

2-6 Disassemble Left
Cover

1.Take out the interlock switch (as red

rectangle).

Front Cover

IR

EK-810U/EK-811W

2-11

Left Cover

2.Loosen 5 screws to disassemble left

cover (as green circle).

2-7 Disassemble IO Cover

1.Loosen 3 screws (as red circle).

EK-810U/EK-811W

2-12

2.Loosen 2 screws (as green circle).

3.Loosen 6 screws to separate IO cover

and keypad board (as red circle).

Rubber

IO Cover

KeyPad

EK-810U/EK-811W

2-13

2-8 Disassemble Engine
Module

1.Loosen 4 screws to disassemble fan5&
fan7 (as green circle).

2.Loosen 4 screws to disassemble fan6
(as red circle).

Fan 5

Fan 7

Fan5&Fan7

Fan6

EK-810U/EK-811W

2-14

3.Unplug 6 connectors (as green circle).

4.Unplug 1 connector (as red square).

5.Loosen 10 screws to disassemble the

engine module (as green circle).

EK-810U/EK-811W

2-15

6.Loosen 1 screws to disassemble the

thermal switch (as red circle).

7.Remove the glue,then loosen 5 screws

to separate the filter cover and combiner

module (as green circle).

Thermal Switch

Combiner Module

EK-810U/EK-811W

2-16

8.Loosen 3 screws to disassemble filter

wheel module (as red circle).

9.Loosen 3 screws to disassemble filter

bottom cover (as green circle).

Filter Module

EK-810U/EK-811W

2-17

10.Loosen 4 screws to disassemble DMD

heatsink (as red circle).

11.Loosen 6 screws to disassemble DMD

board (as green circle).

12.Loosen 4 screws to disassemble DMD

board (as red circle).

DMD Board

DMD

EK-810U/EK-811W

2-18

13.Loosen 2 screws to disassemble bracket

(as green circle).

2-9 Disassemble LVPS

1.Unplug 4 connectors (as green rectangle).

2.Loosen 6 screws to disassemble LD

driver board (as red circle).

Engine Module

EK-810U/EK-811W

2-19

3.Loosen 5 screws to separate LD driver

board and heatsink (as yellow circle).

4.Loosen 5 screws to disassemble

shielding and unplug all connectors

(as red circle).

LD Driver Module

Interlock Switch

EK-810U/EK-811W

2-20

5.Rotate the cap take out the fuse

(as green square) and loosen 5

screws to disassemble AC

(as red circle).

6.Loosen 7 screws to disassemble LVPS

(as green circle).

LVPS

AC

Fuse

EK-810U/EK-811W

2-21

2-10 Disassemble Bottom
Cover Module

1.Loosen 4 screws to disassemble right

cover (as red circle).

2.Loosen 12 screws to disassemble fan3

& fan2 & fan1 (as green circle).

Right Cover

Fan1&Fan2&Fan3

Fan 3

Fan 2

Fan 1

EK-810U/EK-811W

2-22

3.Loosen 8 screws to disassemble fan4

& fan10 (as red circle).

4.Loosen 3 screws to disassemble 3 foot

(as green circle).

5.Loosen 23 screws to disassemble the

bottom cover (as yellow circle).

Fan 4

Fan 10

Fan4&Fan10

Foot

Bottom Cover

EK-810U/EK-811W

3-1

Chapter 3

Troubleshooting

3-1 LED Lighting Message

Message

Light LED Status LED AV Mute LED

Green Green Orange Red Green Orange

Standby State - Flashing - - - -

Power on (Warm up) - - Flashing - - -

Power on & Laser diode on Steady Steady - - Steady -

Power off (Cooling down) - - Flashing - - -

AV mute is off (Image is displayed) Steady Steady - - Steady -

AV mute is on (Image is black) Steady Steady - - - Steady

Projector communication Steady Flashing - - Steady -

Firmware upgrade - Flashing Flashing - - -

Error (Over temperature) - - - Steady - -

Error (Fan failure) - - - Flashing - -

EK-810U/EK-811W

3-2

3-2 Main Procedure

Start

Connect power cord,analog or

digital signal cable properly

Dose the power

LED light ?

Dose the laser ignite ?

Is image OK?

Yes

No

Yes

No Fault Found

End

Yes

No power

troubleshooting

No

No

Turn on the projector

Power

troubleshooting

Image

troubleshooting

Is remote control

OK?

No

Remote control
troubleshooting

Is network OK?

No

Yes

Yes

Network

troubleshooting

EK-810U/EK-811W

3-3

3-3 No Power Troubleshooting

No power

Troubleshooting

Properly connect power cord at unit

and AC power source

Is the power cord connected

securely at unit and power

source?

Is the power source

providing AC voltage?

Supply AC voltage

(100V~240V)

Change power supply

Continue function test and

refer to other troubleshooting

once the power LED light

Ensure the top cover in

it´s correct closed

posistion

Is the top cover
Securely in place and
properly fastened?

Yes

No

No

No

Yes

Yes

No

Change main board

EK-810U/EK-811W

3-4

3-4 Power Troubleshooting

Power Troubleshooting

Check LED

STATUS

Status LED

steady light red

Make sure all connectors are

connected properly

Move the projector to
a cooling location

Is problem

solved?

No

Replace the

thermal switch

Status LED flashing red

Measure voltage
J29~J38 Pin1
=4.5~12V±0.3V?

Replace according fan or
blowerWhose pin2 is 3.3V
before status LED lights?

Continue function test

and refer to other

troubleshooting

Replace M/B

No

Is problem

solved?

No

Replace M/B

No

Light LED off status

LED flashing green

Measure voltage
J48 Pin1=5V?

Replace LD
driver board

No

Yes

Measure voltage
J25 Pin1=5V?

Yes

ReplaceM/B

No

Replace photo

sensor

Yes Yes

Yes

EK-810U/EK-811W

3-5

3-5 (1/2) Image Troubleshooting

Start

Have brigh dots on

the screen?

Dose the projector

display no screen?

Change DMD Chip

Does the PC/Video

image on the

screen?

Ensure signal cable

and signal source

work fine

Is the problem

solved?

Change M/B

P-2

No

No

Yes

Yes

Replace DMD board

No

No

Yes

Yes

Dose the HDMI
image show on the
screen?

Yes

Ensure signal cable

and signal source

work fine

Is the problem

solved?

Change M/B

No

No

Yes

Dose the projector

display no screen?

No

Yes

Replace M/B

EK-810U/EK-811W

3-6

3-5 (2/2) Image Troubleshooting

P-2

Is focus OK?

Is color OK?

Make sure the

projection distance

is in spec.

Is the projection

lens clean?

Use the soft cloth to

clean the lens

Change engine

Ensure signal cable

and signal source

work fine

P/W and F/W wheel

index adjustment

Is color OK?

Change M/B

Change F/W module

Yes

No Yes

No

No

Yes

End

Yes

Is color OK? Chang combiner module

No

Have line bar?

Yes

Is the line bar in same

place when change

pattern?

Yes

Reassemble

DMD and

M/B

Have line bar?

Change DMD

board

Yes

No

No

Have line bar?

Yes

Chang M/B

Chang M/B

Is color OK?

No

Yes

No

Yes

No

Is color OK?

Yes

No

No

EK-810U/EK-811W

3-7

3-6 Remote Troubleshooting

Start

Is the remote controller

function ok ?

No fault found

End

Change Battery

Change Remote

control

Is the problem solved?

Is the problem solved?

No No

Yes

Yes

Replace IR sensor

Board

Is the problem solved?

Replace M/B

No

Yes

No

Yes

EK-810U/EK-811W

3-8

3-7 Network Troubleshooting

Network Troubleshooting

Plug in LAN Cable

Is the RJ45 Connector LED in normal

status? (Orange and Green LED will

be lit)

Are the Network settings of

the unit right?

Is the Network function OK?

Yes

No

Yes

No Fault Found

End

Yes

Is the Internet

source of PC is

OK?

Yes

Change LAN

Cable

Try to use another

PC

No

Change Network

setting

No

No

Is the RJ45

Connector LED in

normal status?

No

Yes

Change main

board

Change main

board

EK-810U/EK-811W

4-1

Chapter 4

Test&Inspection

4-1 Test Equipment Needed

- PC with HDTV resolution

- DVD player with Multi-system, equipped “Component”, “S-Video”, “Composite” and “

HDMI”.

- HDTV Source (480P, 720P, 1080P)

- Quantum Data 802B or CHROMA 2327 (Color Video Signal & Pattern Generator)

4-2 Service Mode

1.Enter the service mode

- Turn on the projector

- Press “Menu” button on Remote Controller

or Keypad,choose “OPTION”

- Choose “SERVICE”

- Enter the code “1,5,9,0” by remote controller or Press

the button “LEFT +DOWN+RIGHT+UP” by keypad to

access service mode.

- Press “Enter” to get into service mode.

EK-810U/EK-811W

4-2

4-3 Factory Reset

After final QC step, we have to erase all saved

change again and restore the OSD default setting.

The following actions will allow you to erase all

end-users’ settings and restore the default setting:

- Please get into service mode

- Select "Factory Reset"

- Press "Enter"

2.Service mode

Item Label Description

1 Factory Reset Restore all settings to their default value,It will not reset network

2 Filter Wheel Index Adjust the R/G/B value to get perfect image when image loss some kinds of color

3 Phosphor Wheel Index Adjust the R/G/B value to get perfect image when image loss some kinds of color

4 Error Log Record the times of the failure of power on of projector

5 Mode Adjustment Image adjustment of vertical and horizontal position

6 Reset Projector Hours Reset Projector Hours

7 Light Sensor Calibration Choose this function to execute ABC calibration

8 ADC Calibration Choose this function to execute ADC calibration

9 LD Hours Record the LD Hours

EK-810U/EK-811W

4-3

4-4 Calibration

1. Lens Calibration

Note: Always perform a Lens Calibration after repairing the projector.

Inspection Item - Check if the Lens Shift Module is moving

smoothly.

Criteria - If the Lens Shift Module is not moving

smoothly

or sound noising,please replace the

light engine module.

Procedure - Place the projector on a clean horizontal

surface.

- On the Remote, press Menu >SETUP>Lens Function.

- Select Lens Calibration.

- Press Enter.

2. ABC Calibration

Note: Always perform ABC Calibration after repairing

the engine or main board.

- Please get into service mode

EK-810U/EK-811W

4-4

- Select "Light Sensor Calibration"

- Press "Enter"

At last it will display "done" or "unsuccessful",

"done" means calibration pass ,"unsucessful" means calibration NG.

3. ADC Calibration

Note: After replacing main board, please execute ADC calibration.

Procedure - Test equipment: video generator.

- Test signal:1920x1200@60Hz

- Test pattern: Grays 16.

- Input the signal from VGA port.

- Get into service mode.

- Select “ADC Calibration”.

- Press “Auto” key to execute the ADC

calibration.

Criteria - If there is noise on the screen, the product is

considered as failure product.

- The screen appears normal, it shouldn’t

appear any abnormal condition, such as

lines and so on.

EK-810U/EK-811W

4-5

4. Wheel Index Adjustment

Note: After replacing main board,engine,filter wheel,combiner

or update FW please execute phosphor and filter wheel

index adjustment.

(1) Phosphor Wheel Index Adjustment:

Procedure - Project the 64 Gray RGBW pattern.

- Test timming:WUXGA 1920 x 1200 @60Hz

- Enter Service Mode,Click Phosphor wheel Index.

- Adjust the index upwards until blue does

not appear smooth,record the a index value.

- Adjust the index downwards until blue does

not appear smooth,record the b index value.

- Set the index value to (a+b)/2.

Criteria

- Blue Color in 64 Gray RGBW appear sharp

and clear,no noise is visible on the screen.

(2) Filter Wheel Index Adjustment:

Procedure - Project the 64 Gray RGBW pattern.

- Test timming:WUXGA 1920 x 1200 @60Hz

- Enter Service Mode,Click Filter wheel Index.

- Adjust the index upwards until blue &red does

not appear smooth,record the a index value.

EK-810U/EK-811W

4-6

- Adjust the index downwards until blue & red

does not appear smooth,record the b index value.

- Set the index value to (a+b)/2.

Criteria

- Blue & Red Color in 64 Gray RGBW appear

sharp and clear,no noise is visible on the screen.

(3) Get into color wheel speed 3X to repeat (1) and (2) steps

Procedure

- Press "Menu"

- Select "PICTURE"

- Select "Advance"

- Select "Color Wheel Speed"

- Select "3X"

- Press "Enter"

Note:

When finished the wheel index please set the color wheel speed back to 2X.

EK-810U/EK-811W

4-7

4-5 Re-write SN

Note: After replacing main board re-write SN is needed.

Procedure - Plug in the power cord.

- Connect projector and PC by RS232 cable.

- Download the SN rewrite for B35LH tool.

- Open the projector.

- Open the tool,then click "SN Tool"

- Choose the Com port which you are

using, and click “Load define”

- Then key in the Serial Number,

for example“E69A1146”. Then

click “RUN” to re-write SN.

Then the “Pass” message will

be shown on the window.

Inspection item

- Press “MENU->OPTION->Information"

- Check the serial number.

EK-810U/EK-811W

4-8

4-6 Adjustment

1. Focus Adjustment

Note: This step must be done only when the optical engine

module is changed.

Inspection item - Check the focus under the pattern of full

screen by the distance of 2.5m.

Criteria - Unbalance<=30cm

Procedure - If the unbalance is over 50cm,pls do the

focus adjustment as below procedure.

1) Back focus ensure

- Change to “Full Screen” pattern, adjust the

lens room widest, adjust the focus fuzzy,

then measure the minmum imaging

distance,confirm whether the distance value

in the lens specifications of +/- 3cm.

- If not, adjust the three setscrew to the

specification.

- If yes, go to next step to do bore sight

adjustment.

2) Bore sight adjustment.

- Use focus button to adjust focus to make

position 3 in focus.

- Once position 3 is in focus, check position1

If position 1 is not in focus, use focus up or

down key to adjust focus till it is in focus.

- If pressing focus up key can focus position1,

EK-810U/EK-811W

4-9

adjust setscrew C clockwise. If pressing down key

can focus position 1, adjust set screw C

counterclockwise.

- Refocus position 3 and see if position 1 is also

in focus. If not, repeat step 1 to 3.

- Adjust position 2 is the same method as position 1.

- Repeat step till positions 1, 2 and 3 are in focus at

the same time.

2.ROD Adjustment

- Environment Adjustment

- The distance between the engine and the

screen is 2.00 M.

- This process should be done in the dark

environment (under 2 Lux).

- Procedure Adjustment

- Change the screen to “white screen.”

- Adjust the rod by using the screws on

the engine module to re-adjust the image.

(“screw 1“ should be adjusted first,and

then “screw 2“. Adjust until the yellowish

or bluish parts disappear.)

EK-810U/EK-811W

5-1

Chapter 5

Firmware Upgrade

Section 1 : Scalar/MCU/Formatter/LAN FW upgrade

5-1-1 Equipment Needed

Software :

- EIKI B35LH Upgrade Firmware Wizard .zip

Hardware :

- Projector

- Power Cord

- RJ45 cable(CAT-5e)

- PC or Laptop with Windows XP/7

EK-810U/EK-811W

5-2

5-1-2 Firmware Upgrade
�rocedure�rocedure

1.Windows Setting

- Close Windows firewall.

- Set HDD sleep timer larger than two

hours.

- Run as administrator in case of Windows

7 system.

2.Network Setting

- Double click the “Local area connection”,

choose “Properties”.

EK-810U/EK-811W

5-3

- Select “Internet protocol (TCP/IP)”,

then click “Properties”.

- Modify the IP address to 192.168.0.101,

and modify Subnet mask to 255.255.255.0.

Note: The HOST ID (192.168.0.XXX) of PC

IP address must be different from the

projector IP address written down.

- Click "OK".

- Click "Close" to quit the setting screen.

EK-810U/EK-811W

5-4

3. Download the latest firmware program file

from the website, Unzip the file to the

desktop and open the folder created.

4. Execute the Upgrade_Wizard.exe.

5. Select “please check firewall has been

cloesd”.

- Click “next”.

EK-810U/EK-811W

5-5

6.Connect projector to computer by RJ-45,

turn on projector.

- Click "next".

7.Prepare to update projector.

- Cleck "next".

- Cleck "next".

EK-810U/EK-811W

5-6

8. Update projector takes about 1 hour

During the update:

- Do not start or exit any programs on the

computer.

- Do not turn off the projector or computer.

- Do not connect or disconnect any cables

or power cords.

9. At last "Update successful" shows on the

screen,click"exit",then turn off the projector.

10. Re-power on the projector

- press "Menu"

- Select"OPTION"

- Select"Information"

- Press "Enter" to check the FW Version.

EK-810U/EK-811W

5-7

Section 2: Recovery Mode

5-2-1 Recovery of LAN

Note: If the LAN recovery in previous page is not work, Clear TFTP upgrade

setting of PW808.

1. Set up

- AC Power on the projector, let projector in

standby mode.

- Pressing ‘’ Up” key then pressing ‘’ Power “key.

- When you see the RJ45’s LED is flashing twice

- Connect projector with Mini USB cable to PC.

2. Please download the latest firmware program file

from website, Unzip the file and keep on your

desktop.

- Double click the folder.

- Choose the upgrade file based on the system

of PC.

- 64-bit system execute FlashUpgrader_x64.exe

- 32-bit system execute FlashUpgrader_x32.exe

- Unzip the file.

EK-810U/EK-811W

5-8

3. Choose “FlashUpgrader.exe” Program.

- Double click “FlashUpgrader.exe” to

execute FlashUpgrader setup.

4. Choose “USB 2.0”,then click “Flash” button

to start FW upgrade.

5. Then will show upgrade progress bar.

EK-810U/EK-811W

5-9

6. Waiting for about several minutes, it shall be

upgraded done,on the way there will be suspected

stuck motionless, please do not forced to shut

down.

7. When appear “ Programming completed”, PW808

firmware upgrade procedure is finished.

Note:

(1) The laser will not operate.

(2) After upgrade finished, remove the power code.

(3) 32-bit system need to install mini-USB driver

manually.

-Right-click "computer"

-Click" Manage"

-Click"Device Manager"

-Righter-click "Unknown Manager"

-Install the driver

-Click "Browse my computer for driver software"

-Click "Browse"

-Select "FlashUpgrader_x32_driver"

-Click "OK"

-Click "Next"

EK-810U/EK-811W

5-10

5-2-2 : Recovery of Formatter / Scalar / LAN / MCU

Note: If upgrade fail, select restore, the upgrade will follow the last setting

and jump to the page“Upgrading in progress” directly.

1. Execute the Upgrade_Wizard.exe.

2. Click Run as admin and Close firewall.

3. Select Restore

4. Click next.

5. Connect the projector to AC and power

it on.

6. When the source message is displayed

on the bottom left of the projected image,

click Next.

7. Choose upgrade items, then click next

8. Updating result

- When firmware recovery completes,

will shows“Update Successful”.

I

Note: This chapter is only designed to show the exploded image of the projector.For updated part
numbers,please refer to RSPL report.Here we take EK-810U for example.

Appendix A (Exploded Image)

EK-810U/EK-811W

D.C.

15

II

P/N Description Parts Supply

1 51.70M06G011 COVER BOTTOM BLACK B35LH V
2 51.74K04G001 COVER RIGHT B35LH V
3 ASSY FRONT COVER MODULE B35LH
4 51.70M14G001 RING FRONT COVER B35LD V
5 75.74K05G001 ASSY COVER LEFT B35LH V
6 See The Page “III” Rear Cover
7 See The Page “V” Assy Engine Module

8 75.792P1G001

POWER SUPPLY AD-1201W,TERMINAL
380*115*65mm,DL,T-SW

V

9 ASSY MB BOTTOM SHIELDING

10 See The Page “IV” Main Board

11 MB TOP SHILEDING B35LH

12 SHIELDING LVPS B35LH
13 80.74K09G001

PCBA DRIVER BOARD ASSY
FOR B35LH PROJECT

V
14 61.74K03G003 COVER TOP METAL B35LH V
15 49.79202G002

FAN SUNON 120X25mm
/PWM CONTROL/ A35LH & A70LH

V

EK-810U/EK-811W

P/N Description Parts Supply
1 80.74K03G001 PCBA KEYPAD BD FOR B35LH V
2 52.74K03G001 KEYPAD RUBBER B35LH V
3 70.74K30GR01 ASSY IO COVER FOR 74K V
4 80.74K07G001 PCBA LED BD FOR B35LH V
5 LABEL IO EIKI B35LH
6 SCREW PAN MECH

III

EK-810U/EK-811W

Rear Cover

IV

EK-810U/EK-811W

Main Board

Item P/N Description Parts Supply

1 HEX SPACER M3-3.0 W5 L20.0
2 80.74K01G002

PCBA MAIN BD ASSY FOR B35LH
WUXGA EK-810U PROJECTOR

V

3 80.74K06G001

PCBA IO BD FOR B35LH MODEL
PROJECTOR

V

4 SCREW PAN MECH W/SF M3*6

V

EK-810U/EK-811W

Assy Engine Module

6

Fan 7

Fan 6

Fan 5

7

P/N Description Parts Supply

1 70.76P05GR01 ASSY ENGINE MODULE FOR 76P V
2

48.8CGDMGD01

DMD 1920*1200 PIXEL 0.67” WUXGA
2xLVDS TYPE A DC3-7;TI

V

3

80.79202G001

PCBA WUXGA DMD BD FOR A35LH
PROJECT

V

4 70.73G15GR01 ASSY FILTER WHEEL MODULE FOR 73G V
5 70.76P06GR01 ASSY COMBINER MODULE FOR 76P V
6

49.79204G002

FAN SUNON, 55mmx55mmx15mm, TWO
BALL, AXIAL FAN, PWM CONTROL

V

7

49.79202G002

FAN SUNON 120X25mm /PWM CONTROL/
A35LH & A70LH

V

I

Appendix B (Error Log)

EK-810U/EK-811W

Error type Error log Description
Fan Fail System fan(FANX) Lock FANX Lock Occur (FANX :FAN1~FAN10)

Normal shutdown

Auto Shutdown

Auto Shutdown After Reach The Setting Time

Sleep Shutdown

Lan fail

Lan fail then restart

Detect Lan Fail and Restart Lan

LAN Watch Dog Restart

LD bank broad

LD Driver A Fail LD Driver A Fail
LD Driver A Over Temperature LD Driver A Over Temperature
LD Driver A Unexpected Off LD Driver A Unexpected Off
LD Driver Shutdown LD Driver Shutdown

LD XX_1 Shunt Circuit Warning

LD XX_1 Shunt Circuit Warning (LD XX:LD
B1~B6,R1~R2)

LD XX_2 Shunt Circuit Warning

LD XX_2 Shunt Circuit Warning (LD XX:LD

B1~B6,R1~R2)
LD Over Temperature Shutdown LD Over Temperature Shutdown
Warning! BANK X High

Temperature

Detect BANK X Temperature High (BANKX:

BANK1~BANK8)
BANK X Over Temperature

Detect BANK X Over Temperature (BANKX:

BANK1~BANK8)

DMD temperature

Warning! DMD High Temperature Detect DMD Temperature High
DMD Over Temperature Detect DMD Over Temperature

Other problems

TEC Current Abnormal Detect Current Abnormal
Format Board Power On Fail Detect Format Board Power On Fail
Over Temperature Detect Thermal Sensor Overheat
Color Wheel Unexpected Stop Detect Color Wheel Unexpected Stop