Eiki LC-X71 LC-X71L service manual Pwreset

Page 54

Control Port Functions

Pin No.

Function Name

Function

Polarity

I/O

137

GND

Power (0V)

-

-

138

PW_RESET

Reset for PW

Reset with L>H>L

O

139

1.9V

Power (1.9V)

-

-

140

PW_SEL

PIXEL 232C Selection

SH:H, PW:L

O

141

EXP_RESET

I/O Expander Reset Signal

Reset: H

O

142

RESET_GAM

Reset for Digital Gamma IC

 

O

143

TDO [for ICE]

Test Data output

-

O

144

(Not used)

 

(Open)

O

145

(Not used)

 

(Open)

O

146

SH_FPG_WAIT

Hardware Wait Request

Wait with L

I

147

RESETM

Manual Reset Request

-

I

148

(Reserved)

Analog Trigger/Inout Port H

(Open)

I

149

(Not used)

 

(Pull-down)

I

150

ASEMD0 [for ICE]

ASE Mode

-

I

151

ASEBRKAK [for ICE]

ASE Brake

-

O

152

(Not used)

 

(Pull-up)

I

153

AUDATA[3] [for ICE]

AUD data

-

O

154

AUDATA[2] [for ICE]

AUD data

-

O

155

GND

Power (0V)

-

-

156

AUDATA[1] [for ICE]

AUD data

-

O

157

1.9V

Power (1.9V)

-

-

158

AUDATA[0] [for ICE]

AUD data

-

O

159

GND

Power for Inout/Output(0V)

-

-

160

TRST [for ICE]

Test Reset

-

I

161

3.3V

Power for Inout/Output(3.3V)

-

-

162

TMS [for ICE]

Test Mode Switch

-

I

163

TDI [for ICE]

Test Data Input

-

I

164

TCK [for ICE]

test Clock

-

I

165

(Not used)

 

(Pull-down)

I

166

(Not used)

 

(Pull-down)

I

167

LAMP_DET

Lamp Fail Detection I Lamp Failure Detection until Dimmer Starts

L: Lamp fail

I

168

SWF_INIT

Config. status signal

 

I

169

MD0

Clock Mode Setting [Default:L]

L fixed

I

170

1.9V

PLL1 Power (1.9V)

-

-

171

CAP1

PLL1 External Condenser - [470pF]

-

-

172

GND

PLL1 Power (0V)

-

-

173

GND

PLL2 Power (0V)

-

-

174

CAP2

PLL2 External Condenser - [470pF]

-

-

175

1.9V

PLL2 Power (1.9V)

-

-

176

AUDCK [for ICE]

AUD Clock

-

I

177

GND

Power (0V)

-

-

178

1.9V

Power (1.9V)

-

-

179

(Reserved)

Clock Oscillator

(Open)

-

180

EXTAL

External Click/X'TAL

-

I

181

SWF_DONE

Config. process finishing signal

 

I

182

BOX_SW

Detect on/Off for PJ-Net Board

L: Yes, H: No

I

183

FPGA_nSTATUS

Error Detection during the Config.

H:Error

I

184

FPGA_CONF_DONE

OK Detection during the Config.

H:OK

I

185

SH_FLASH_WP

Flash IC Write Protect

L: Protect

O

186

PFC_SW_EX

PFC_SW

 

O

187

SWF_D0

Config. data

 

O

188

GND

Power for Inout/Output(0V)

-

-

189

CKIO

System Clock IO

-

I/O

190

3.3V

Power for Inout/Output(3.3V)

-

-

191

SH_LB_UART

Dimmer Control

H: at lamp ON

O

192

(Not used)

 

(Open)

-

193

(Not used)

 

(Open)

-

194

(Not used)

 

(Pull-up)

-

195

SH_EX_UART

Send Data2 [External]

19200 or 9600bps

O

196

(Not used)

 

(Pull-up)

-

197

(Not used)

 

(Pull-up)

-

198

LB_SH_UART

Dimmer control and lamp error detect

-

I

199

(Not used)

 

(Pull-up)

-

200

GND

Power (0V)

-

-

201

EX_SH_UART

Receive Data2 [External]

19200 or 9600bps

I

202

1.9V

Power (1.9V)

-

-

203

(Not used)

 

(Pull-up)

I

204

FPGA_NCONFIG

Start config.

L -> H start

O

205

NET_H/L

Request command for PJNet

Active L

O

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Image 54
Page 53 Page 55
Contents Original Version Contents Safety Instructions Safety PrecautionsSpecifications Circuit Protections Thermal switchInterlock switch FuseRecommendation Mechanical Disassemblies Cabinet Top removalCabinet Front removal Main Board removal AV, I/F Board & Rear Panel removalFN905 Lamp Ballast Unit removal Optical Unit removalFN906 Power Board removal Power BoardPrism Base removal Fans FN901, FN902 removal Interlock SwitchFilter Board & Interlock SW & Thermal SW removal SW902Projection Lens removal Relay Lens disassemblyOptical Parts Disassemblies Relay LensPolarized Glass-In removal Optical filter HCPPolarized Glass-Out and Wide view Glass removal LCD Panel/Prism Ass’yOut Condenser Lens disassembly Optical Unit Top removalLocations and Directions DescriptionMounting Procedure LCD Panel/Prism Ass’y ReplacementImportant Notice on LCD Panel/Prism Assy Replacement LCD Panel/Prism Ass’y removalLCD Panel/Prism Assy Type-R Procedure Lamp ReplacementHow to reset Lamp Replace Counter Reset the Lamp Replace Counter, see below explanationAdjustments after Parts Replacement Optical Adjustments Electrical AdjustmentsBefore Adjustment Optical AdjustmentsContrast adjustment Main BoardCondenser Lens adjustment White b Slot B Moving of slot B Slot D Moving of Slot DRelay lens-Out adjustment White bMoving of slot B White Cyan Screw D Moving of slot D Electrical Adjustments Service Adjustment Menu OperationIC802 is not defective +16V adjustment Circuit AdjustmentsOutput Voltage adjustment Adjustment ConditionVideo Center adjustment Fan Voltage adjustmentPsig adjustment PC Black Level adjustmentCommon Center adjustment PC Input adjustmentInput adjustment ⁄0PC Gamma-shift adjustment⁄2AV Gamma-shift adjustment ⁄3AV White Balance adjustmentTest Points and Locations Main BoardService Adjustment Data Table Factory use Factory default setting RC KEY DisableTemp. warning setting Not used DDC Setting210 290 300 301 302 303 Adjustment for AV inputPanel L/R setting CXD3807310 AD9882 311 M62393FP400 Composite Ntsc Scart 401 410 411 420 421 422 423 424 425Composite PAL YCbCrRGB Video 480P 426 427 428 430 431 432 433 434 435RGB Video RGB Video 575PHdcp 720P-60 440 Hdcp 480PHdcp 575P 443 Hdcp 720P-50RGB-Video 1080-24psf 451 452 453 454 455 600 620RGB-Video 1080-25psf RGB-Video 1080P-60680 681 690 700 701 711 713 715 Auto PC AdjustmentDe-interlacer setting Auto Calibration975 Ghost Drift 720 22pull down setting721 23pull down setting Color shading correctionChassis block diagrams Chassis DescriptionChassis over view Video signal processing stage IC3012K20H Audio signal processing stageK00D K20G K20FFN904 FN903 FAN control stageFAN location FN901 FN905Lamp control stage Motor control stageRed Serial bus control stageYellow GreenPower supply lines & power failure detection IC8702 3V2Indicators Projector Condition LED indication and projector conditionPower failure detection system Error information tablePin Signal Name Connection Error Information Power failure detection tree Failure areaK10R 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.
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