Eiki LC-X71 LC-X71L service manual Video signal processing stage, IC3012

Page 41

Chassis Description

Video signal processing stage

 

 

 

A/V BOARD

 

RGB(DIGITAL)

DVI

 

TMDS

 

INPUT

 

 

 

-D

 

 

K40D

 

 

 

 

 

 

 

-

 

 

IC5301

IC3002

K10Q

 

12,5

13,3

MAIN BOARD

IC8072

 

 

 

HDCP

 

 

 

 

 

 

 

TMDS

 

 

 

 

 

PC_HS/VS

 

IC8201

 

PC A/D

PC_R/G/B

 

<AD9882>

NETWORK OPTION

INPUT

D-SUB_25

LVDS I/F

BOARD

K87B - K8Z

 

14,4

 

 

 

 

 

 

SW.

 

 

 

 

<4053>

 

 

INPUT 1 DIGITAL (DVI-D) ANALOG (D-SUB15)

PC1_H/V

 

PC2_H/V

 

IC3004

 

 

IC5308

IC3006

 

 

 

 

 

 

IC3009

 

SYNCSEP <BA7078>

IC3007

11

VS

H/VSYNC

 

HS

 

13

TP-RIN

 

CGB

CGR CGG

 

TP-GIN

CG_HS,VS,CLK

 

 

 

TP-BIN

 

 

 

 

 

 

 

 

 

 

 

 

 

IC3231

 

 

IC1201

 

LVDS

 

 

 

SYNC CONT.

 

 

 

 

 

 

 

 

 

FPGA1

 

 

 

 

 

<TA1370>

 

 

 

 

AV

 

 

 

 

 

<XC3S50>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC9202

 

 

 

 

 

 

_Y

 

 

 

IN0GE IN0BE

IN0RE

 

 

 

SDRAM

 

 

IN0_HS,VS,CLK

 

 

 

<EDS6416>

 

 

 

 

 

 

 

 

 

.

IC3008

-K40C

 

 

 

 

 

 

PC_GS/AV_YS

IC3012

 

 

PC1_H/V

 

 

K10P

 

 

 

 

IC3011

 

 

PC1_V

 

 

 

D

PC1_H

RGB_CSYNC

 

 

-

 

PC_GS/AV_YS

 

 

SUB

SCART_CV

 

RGB(ANALOG)

PC1_R

 

 

 

 

IN/OUT

_

 

 

 

 

15

PC1_G

IC3003

 

 

 

 

 

 

 

PC1_B

 

 

 

 

 

IC3013

 

 

 

 

 

 

INPUT 2 (BNC)

 

 

IC3001 INPUT SW. <AD8183>

IC2002 INPUT SW. <AD8185>

K40E

G/Y/VIDEO

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

IC9201

 

 

 

 

 

 

 

 

 

VIDEO

 

 

 

 

 

 

 

 

DECODER

 

 

 

 

 

 

 

 

&

 

 

 

 

 

 

 

 

 

AV A/D

 

 

 

 

 

 

 

<CXD3807>

 

 

 

 

 

 

 

 

 

 

 

TP-YIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP-CBIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TP-CRIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AV Y

 

 

IC241 BUFFER

 

 

CVBS AV Y

S C

AV

 

 

 

 

 

 

 

 

 

IC251

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

IN1_HS IN1_VS IN1CLK

IN1Y

IN1UV

 

 

 

IC1305

IC301

 

 

FLASH MEMORY

 

 

<S29JL064>

SCAN

 

 

 

 

 

CONVERTER,

 

IC302

 

 

SYSTEM

 

 

EEPROM

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

<PW388>

 

 

 

 

 

 

 

IC1301,11,21,31

 

 

 

 

 

 

DDR MEMORY

 

 

 

<EDD2516>

PWDR PWDG PWDB

PW_DHS,DVS,DCLK

 

 

 

 

 

 

 

 

 

 

 

IC4401

 

 

IC3411

FPGA2

 

 

SDRAM

<EP1S25F672>

 

<MSM56V16160>

 

IC1202 MONITORSW <AD8075>

AV_CVBS

K10R

B/CB/PB

S_C

 

 

 

 

BAOUT

RAOUT GAOUT

 

 

IC9204

FPGA_HOUT,VOUT,CLKO

 

 

 

 

 

 

 

 

R/CR/PR

 

.

 

 

 

 

 

 

H/V

PC2_H

 

 

 

 

 

 

 

V

PC2_V

PC2_H/V

IC2004

IC1001

 

 

 

 

BOUT

IC401

 

DIGITAL

ROUT

GAMMA

 

<CXD3531R>

 

GOUT

 

INPUT 3 (RCA)

Y/VIDEO

CB/PB

CR/PR

RGB_CSYNC

CV

STB/SCLK/SDATA_GAM

IC561/1561

S&H

BLUE

<CXA7005R>

IC531/1531

 

IC501/1501

S&H

 

S&H

 

GREEN

 

RED

<CXA7005R>

 

<CXA7005R>

INPUT 3 (DIN)

S-VIDEO

SCART_CV

S_Y

S_C

IC2003 SELECT <NJM2535>

PSIG

TP561

 

TP563

K25B

B-LCD

PANEL

PSIG

TP531

 

TP533

K25G

G-LCD

PANEL

PSIG

TP501

 

TP503

K25R

R-LCD

PANEL

- 41 -

Image 41
Contents Original Version Contents Safety Precautions Safety InstructionsSpecifications Interlock switch Thermal switchCircuit Protections FuseRecommendation Cabinet Front removal Mechanical DisassembliesCabinet Top removal FN905 Main Board removalAV, I/F Board & Rear Panel removal FN906 Lamp Ballast Unit removalOptical Unit removal Prism Base removal Power Board removalPower Board Filter Board & Interlock SW & Thermal SW removal Interlock SwitchFans FN901, FN902 removal SW902Optical Parts Disassemblies Relay Lens disassemblyProjection Lens removal Relay LensOptical filter HCP Polarized Glass-In removalOut Polarized Glass-Out and Wide view Glass removalLCD Panel/Prism Ass’y Optical Unit Top removal Condenser Lens disassemblyDescription Locations and DirectionsImportant Notice on LCD Panel/Prism Assy Replacement LCD Panel/Prism Ass’y ReplacementMounting Procedure LCD Panel/Prism Ass’y removalLCD Panel/Prism Assy Type-R How to reset Lamp Replace Counter Lamp ReplacementProcedure Reset the Lamp Replace Counter, see below explanationOptical Adjustments Electrical Adjustments Adjustments after Parts ReplacementContrast adjustment Optical AdjustmentsBefore Adjustment Main BoardWhite b Slot B Moving of slot B Slot D Moving of Slot D Condenser Lens adjustmentMoving of slot B White Cyan Screw D Moving of slot D Relay lens-Out adjustmentWhite b IC802 is not defective Electrical AdjustmentsService Adjustment Menu Operation Output Voltage adjustment Circuit Adjustments+16V adjustment Adjustment ConditionPsig adjustment Fan Voltage adjustmentVideo Center adjustment PC Black Level adjustmentInput adjustment PC Input adjustmentCommon Center adjustment ⁄0PC Gamma-shift adjustment⁄3AV White Balance adjustment ⁄2AV Gamma-shift adjustmentMain Board Test Points and LocationsService Adjustment Data Table Temp. warning setting RC KEY DisableFactory use Factory default setting Not used DDC SettingPanel L/R setting Adjustment for AV input210 290 300 301 302 303 CXD3807400 Composite Ntsc 310 AD9882311 M62393FP Composite PAL 401 410 411 420 421 422 423 424 425Scart YCbCrRGB Video 426 427 428 430 431 432 433 434 435RGB Video 480P RGB Video 575PHdcp 575P 440 Hdcp 480PHdcp 720P-60 443 Hdcp 720P-50RGB-Video 1080-25psf 451 452 453 454 455 600 620RGB-Video 1080-24psf RGB-Video 1080P-60De-interlacer setting Auto PC Adjustment680 681 690 700 701 711 713 715 Auto Calibration721 23pull down setting 720 22pull down setting975 Ghost Drift Color shading correctionChassis over view Chassis block diagramsChassis Description IC3012 Video signal processing stageK00D Audio signal processing stageK20H K20G K20FFAN location FAN control stageFN904 FN903 FN901 FN905Motor control stage Lamp control stageYellow Serial bus control stageRed GreenIC8702 3V2 Power supply lines & power failure detectionLED indication and projector condition Indicators Projector ConditionPin Signal Name Connection Error Information Power failure detection systemError information table K10R Power failure detection treeFailure area Diagnosis procedure Diagnosis of power failure with RS-232C portError Error Code Error Information Error history logSystem Control & I/O Port Table IC801, HD6417727F Control Port FunctionsWE0 Pwreset Netsw Parallel I/O Expander IC4801, TIC81592GP M62393 IIC Bus D/A ConverterWaveforms Cleaning with air spray CleaningAD8183ARU/AD8185ARU IC Block DiagramsCXD3531R Digital Signal Driver & Timing Generator , IC401 IC Block Diagrams IC Block Diagrams IC Block Diagrams IC Block Diagrams Divide TDA1517ATW Audio Output, IC1681, IC1682 Read Description in the parts list Electrical Parts ListFilter Board F601 OUT of Circuit BoardAssemblied 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 100 Optical Parts List65 Red 71R/L 71-a R 71-b G 71-c B 71-e G = no use 103 Key to better communications Schematic Diagrams Printed Wiring Board Drawings Diagrams & DrawingsIC IC Pin description of diode, transistor and 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.