Chassis Description

Chassis block diagrams

Chassis over view

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R-LCD PANEL

 

 

 

 

 

G-LCD PANEL

 

 

B-LCD PANEL

 

 

MOTORs

 

FANs

FANs

 

LAMP BALLAST LAMP

 

 

FUSE SW AC 100~240V

 

 

 

 

 

 

 

 

 

 

 

 

M

 

M

 

M

 

 

 

 

 

PSIG

 

 

 

 

 

PSIG

 

 

 

 

 

 

 

 

PSIG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

G

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERLOCK

 

 

IC501

R-PANEL DRIVER

IC1501 R-PANEL DRIVER

 

 

IC531

G-PANEL

DRIVER

 

IC1531

G-PANEL

DRIVER

IC561 B-PANEL DRIVER

 

IC1561 B-PANEL DRIVER

IC1601

LENS SHIFT

 

IC1602 ZOOM

IC1611

FOCUS

IC7821,41,61,81

FAN CONTROL

IC6601,03

FAN CONTROL

 

 

THERMAL SW

 

 

 

 

IC401

DIGITAL

GAMMA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC7801 DAC

 

 

 

P.F.C

 

 

LINE FILTER

 

 

 

 

IC302 IC1305 EEPROM FLASH ROM

 

IC4401 FPGA2

 

 

 

IC3411

SDRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC1691

TEMP.

SENSOR SENSOR

 

 

 

FAIL

 

POWER SWITCHING

SUPPLYPOWER LINESSUPPLY

 

 

 

 

 

CONVERTER,

 

 

 

 

IC1301,11,21,31

 

 

 

 

 

 

 

 

 

 

IC1814,16

TEMP.

 

 

 

POWER

 

 

 

 

IC301

SCAN

SYSTEM

CONTROL

 

 

DDR x4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYNC CONT.

 

 

 

H/V

 

 

 

 

 

 

 

 

 

IC802

EEPROM

 

IC4801

I/O

EXPANDER

 

LEDs

 

 

 

 

IC1201

FPGA1

 

 

 

 

IC3231

 

 

IC9201

AV A/D

IC9202

SDRAM

 

 

 

 

 

IC4701

DP RAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KEY SWs

 

 

 

 

H/V

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

MAIN CPU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PC_HS/VS

 

AV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC801

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC1801

 

 

 

 

 

 

 

 

 

 

PRESSURE SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC8201

PC A/D

 

 

 

 

 

 

 

 

YUV

 

SW

 

 

 

 

DDR

 

 

 

 

 

 

 

 

 

IC4811

 

 

 

 

 

 

IC3007

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC1811

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYNC SEP.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FLASH ROM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC241

SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW

 

BUFFER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV CVBS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LVDS

 

TMDS

 

 

 

 

 

 

SW

 

GS

AV_VS

 

 

 

S C

 

 

IC1681,IC1682

 

 

 

 

IC3804IC3803 AIR MOUSE AIR MOUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC2002

 

 

 

 

AUDIO-AMP.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IN2 H/V

 

PC

 

INPUT SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC2003

 

 

 

IC1651

PRE-AMP.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CV SELECT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC3001

 

 

 

 

 

 

 

 

 

 

IC1652

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RGB-SW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO-CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DVI

 

 

 

 

 

 

H/VIN1

 

 

 

 

 

Y,Cb,Cr

PCCS

 

S Y

VideoS-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RGB NETWORK

 

 

RGBPC

 

RGB

 

IC5301

SYNC SWH/V

 

RGB

 

 

RGBPC

 

 

SCARTCV

 

 

 

 

 

IC001

 

 

AudioL/R L/R

 

RS-232C DRIVER

INTERFACEDECODER

 

 

 

IC4871

ACCELE SENSOR

 

 

 

 

 

 

IC1202 MON. SW

IN2 H/V

 

 

 

 

 

AUDIO-SW

 

 

IC3801

 

 

 

 

 

 

 

 

 

Component

Y,Cb,Cr

S Y/C

 

 

 

 

 

 

 

 

 

 

 

DIGITAL

H/V

DIGITAL RGB

 

IN1 H/V

ANALOG RGB

 

 

L/R

L/R

 

L/R

 

 

 

 

 

 

D-SUB_25

DVI-D

 

 

 

 

D-SUB_15

 

 

 

 

 

V/Y

PB

PR

Y/C

 

 

 

 

 

VIDEO

 

 

 

 

CONTROL PORT

 

 

 

 

 

 

 

 

NETWORK

INPUT-1

 

 

 

 

INPUT-1

 

 

V/Y G

Cb/Pr B Cr/Pr R H V

 

 

PC1

PC2

 

INT. SP

EXT. SP

 

 

 

W R/C

 

R R/C

F R/C

USB

 

 

 

 

 

 

 

COMPONENT

S-VIDEO

 

 

 

 

 

 

 

OPTION

DIGITAL INPUT

 

 

RGB IN/OUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPUT-3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPUT-2

 

 

 

 

 

AUDIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Image 40
Eiki LC-X71 LC-X71L service manual Chassis Description, Chassis block diagrams, Chassis over view

LC-X71 LC-X71L specifications

The Eiki LC-X71 and LC-X71L are advanced multimedia projectors designed for a range of applications, from education to corporate environments. Known for their outstanding image quality and impressive clarity, these projectors combine technological innovation with user-friendly features, making them ideal for presentations, lectures, and various visual displays.

One of the defining characteristics of the LC-X71 series is its high brightness output. With 6000 ANSI lumens, these projectors ensure clear and vibrant images, even in well-lit rooms. This level of brightness is complemented by a native XGA resolution (1024 x 768), providing sharp details and vivid colors. The LC-X71L model features a slightly enhanced brightness, making it suitable for larger venues or where ambient light cannot be controlled.

The Eiki LC-X71 and LC-X71L utilize a DLP (Digital Light Processing) technology that enhances color accuracy and contrast. This technology minimizes the visibility of pixels, ensuring smooth images that remain sharp at various viewing distances. Moreover, the projectors incorporate a high contrast ratio, which contributes to deep blacks and bright whites, making them perfect for presentations with complex graphics.

Another noteworthy feature is the flexible connectivity options. The LC-X71 series offers multiple input terminals, including HDMI, VGA, and USB, allowing for seamless integration with various devices, from laptops to video players. This versatility enables users to easily switch between different content sources. Additionally, the projectors support wireless presentation capability, enhancing user convenience and reducing the clutter of cables.

User convenience doesn’t stop at connectivity. The LC-X71 and LC-X71L are designed for easy installation and maintenance. Their lightweight design and compact dimensions facilitate portability, making them easy to move between locations. They also feature a filter-free design, reducing maintenance efforts and ensuring long-term reliability.

In terms of energy efficiency, both models are equipped with Eco Mode, which extends lamp life and reduces power consumption. The lamp life can reach up to 4000 hours, depending on usage, making it a cost-effective solution for prolonged use.

In conclusion, the Eiki LC-X71 and LC-X71L projectors deliver exceptional performance, combining high brightness, versatile connectivity, and user-friendly features. Their technological advancements cater to various needs, ensuring that they stand out in the competitive market of multimedia projectors.