Eiki LC-XIP2000 Manuale utente

LC-XIP2000 Service

Manual Ver. A 1

LC-XIP2000

LCD projector

Service Manual

Version A

Feb. 14, 2007

LC-XIP2000 Service

Manual Ver. A 2

Project Approval

date Leader Description Device

changed Comment

Revision History

LC-XIP2000 Service

Manual Ver. A 3

-Contents Contents

Chapter 1 : Trouble Shooting P4

- Caution when replacing the Optical Engine and Main Board P5

- Projector system Block Diagram P6

- LED Lamp Indicator P7

- Trouble shooting flow chart P8

Chapter 2 : - Main Board Firmware Download P18

Chapter 3 : - Disassembly P24

-Exploded Chart

-Mechanical part lists P25

P26

- Disassembly SOP P28

Chapter 4 : Service Mode and Adjustment P48

- Service mode (hidden from end users) P49

- Firmware version checking P51

- Lamp Timer Reset P53

- Auto Keystone Calibration P54

- Contrast and Brightness Calibration P55

Chapter 4 : RS232 command P56

- Connection (What if RS232 command doesn’t work?)

- RS232 command list ver.5

-RS232 Remote_control Pad

P57

P58

P61

LC-XIP2000 Service

Manual Ver. A 4

Chapter 1

Trouble shooting

LC-XIP2000 Service

Manual Ver. A 5

------------------------------

1.1 The color parameter is kept in 24LC256( locate at U619),

and the color parameter is different due to different optical engine.

1.2 EDI will provide a new 24LC256 with a new optical engine when you need to change an

optical engine. The color parameter settings of the 24LC256 have to match with the optical

engine in EDI factory.

1.3 When you replace an optical engine or main board, please always confirm the 24LC256 go

with its original optical engine.

2.1 Make sure the direction of 24LC256 on main board, the mark (*) at the left side.

3.1 Keystone calibration function is to help the projector execute the keystone function

automatically.

3.2 The C&B calibration function is to optimize the picture performance.

Cautions when replacing the Optical Engine and Main board :

◎1. Make sure the IC# 24LC256 on main board U619 location always goes with its

original optical engine when you replace the main board or Optical Engine.

◎2. Make sure the direction of the IC# 24LC256 on main board.

◎3. Execute “Keystone calibration ” and “C&B calibration” when you replace Main

board every time. Otherwise the screen will become keystone distortion or miss gray

level. (please refer to page P45 and P46 )

Troubleshooting

U619

Troubleshooting

LC-XIP2000 Service

Manual Ver. A 7

Troubleshooting

- LED Lamp Indicator

LC-XIP2000 Service

Manual Ver. A 8

Start

Connect

Power Core

Turn On the

Power Switch

A. No Image

Troubleshooting

B. Poor Image quality

Press Lamp

On Button

Yes

Have

Image

Connect computer

& DVD cable

Is Image

quality

Yes

Troubleshooting

- Troubleshooting flow chart

LC-XIP2000 Service

Manual Ver. A 9

Is the OSD&DVD

function OK?

Is Audio OK?

Is Remote

Control OK?

Is Keypad OK?

END

No Trouble

Found

Yes

C. OSD & DVD

function

Troubleshooting

Audio Function

Troubleshooting

Remote Control

Troubleshooting

F. Keypad

Troubleshooting

LC-XIP2000 Service

Manual Ver. A 10

END

A.No Image Troubleshooting

Start

Check LED

indicator on

keypad

Green off

Red off yes

Green fast flashing

Red on

Change

keypad Change

power

supply

yes

yes Check /

change lamp

door switch

Green fast flashing

Red fast flashing

Green on

Red fast flashing

Check /

change

thermal sensor

connector

Check / change

thermal switch

connector

Check /

change Lamp

/ Ballast

No trouble found

Check fan pin2

voltage - 5V

(J1,J4,J5,

J6,J15)

no. Change

failed fan

Change Main Board,

but keep the same

24LC256

Yes

yes

END

yes

no no

yes

END

yes

Green on

Red off yes

Troubleshooting

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