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

Page 40

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
Contents Original Version Contents Safety Instructions Safety PrecautionsSpecifications Thermal switch Interlock switchCircuit Protections FuseRecommendation Cabinet Top removal Mechanical DisassembliesCabinet Front removal AV, I/F Board & Rear Panel removal Main Board removalFN905 Optical Unit removal Lamp Ballast Unit removalFN906 Power Board Power Board removalPrism Base removal Interlock Switch Filter Board & Interlock SW & Thermal SW removalFans FN901, FN902 removal SW902Relay Lens disassembly Optical Parts DisassembliesProjection Lens removal Relay LensPolarized Glass-In removal Optical filter HCPLCD Panel/Prism Ass’y Polarized Glass-Out and Wide view Glass removalOut Condenser Lens disassembly Optical Unit Top removalLocations and Directions DescriptionLCD Panel/Prism Ass’y Replacement Important Notice on LCD Panel/Prism Assy ReplacementMounting Procedure LCD Panel/Prism Ass’y removalLCD Panel/Prism Assy Type-R Lamp Replacement How to reset Lamp Replace CounterProcedure Reset the Lamp Replace Counter, see below explanationAdjustments after Parts Replacement Optical Adjustments Electrical AdjustmentsOptical Adjustments Contrast adjustmentBefore Adjustment Main BoardCondenser Lens adjustment White b Slot B Moving of slot B Slot D Moving of Slot DWhite b Relay lens-Out adjustmentMoving of slot B White Cyan Screw D Moving of slot D Service Adjustment Menu Operation Electrical AdjustmentsIC802 is not defective Circuit Adjustments Output Voltage adjustment+16V adjustment Adjustment ConditionFan Voltage adjustment Psig adjustmentVideo Center adjustment PC Black Level adjustmentPC Input adjustment Input adjustmentCommon Center adjustment ⁄0PC Gamma-shift adjustment⁄2AV Gamma-shift adjustment ⁄3AV White Balance adjustmentTest Points and Locations Main BoardService Adjustment Data Table RC KEY Disable Temp. warning settingFactory use Factory default setting Not used DDC SettingAdjustment for AV input Panel L/R setting210 290 300 301 302 303 CXD3807311 M62393FP 310 AD9882400 Composite Ntsc 401 410 411 420 421 422 423 424 425 Composite PALScart YCbCr426 427 428 430 431 432 433 434 435 RGB VideoRGB Video 480P RGB Video 575P440 Hdcp 480P Hdcp 575PHdcp 720P-60 443 Hdcp 720P-50451 452 453 454 455 600 620 RGB-Video 1080-25psfRGB-Video 1080-24psf RGB-Video 1080P-60Auto PC Adjustment De-interlacer setting680 681 690 700 701 711 713 715 Auto Calibration720 22pull down setting 721 23pull down setting975 Ghost Drift Color shading correctionChassis Description Chassis block diagramsChassis over view Video signal processing stage IC3012Audio signal processing stage K00DK20H K20G K20FFAN control stage FAN locationFN904 FN903 FN901 FN905Lamp control stage Motor control stageSerial bus control stage YellowRed GreenPower supply lines & power failure detection IC8702 3V2Indicators Projector Condition LED indication and projector conditionError information table Power failure detection systemPin Signal Name Connection Error Information Failure area Power failure detection treeK10R Diagnosis of power failure with RS-232C port Diagnosis procedureError history log Error Error Code Error InformationControl Port Functions System Control & I/O Port Table IC801, HD6417727FWE0 Pwreset Netsw Parallel I/O Expander IC4801, TIC81592GP IIC Bus D/A Converter M62393Waveforms Cleaning Cleaning with air sprayIC Block Diagrams AD8183ARU/AD8185ARUCXD3531R Digital Signal Driver & Timing Generator , IC401 IC Block Diagrams IC Block Diagrams IC Block Diagrams IC Block Diagrams Divide TDA1517ATW Audio Output, IC1681, IC1682 Electrical Parts List Read Description in the parts listOUT of Circuit Board Filter Board F601Assemblied Boards TERMINAL1 Board 147 TR 2SA1037AK-S-T146 405 0417 TR 2SA1037K IC IDT70V24S15PFG 7316 C2591 C365 C568 NP-ELECT Carbon R2213 R329 R4477 R5212 R6791 Network 0X4 1/32W Network 10KX4 1/32W FILTER,LP 34MHZ Zener Diode 02DZ6.2YTPH3 IC AD8185ARUZ-REEL7 C2007 R1111 Zener Diode UDZS-TE-1712B ZD UDZS-TE-176.2B Resister Diode RF101L2S POS-SOLID Filter Board Mechanical Parts List 23-b Optical Parts List 10065 Red 71R/L 71-a R 71-b G 71-c B 71-e G = no use 103 Key to better communications Diagrams & Drawings Schematic Diagrams Printed Wiring Board DrawingsPin description of diode, transistor and IC IC ICDiagrams & Drawings LC-X71, LC-X71L

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.