Eiki LC-X71 LC-X71L service manual WE0

Page 53

Control Port Functions

Pin No.

Function Name

Function

Polarity

I/O

68

A5

Address Bus

-

O

69

A6

Address Bus

-

O

70

A7

Address Bus

-

O

71

A8

Address Bus

-

O

72

A9

Address Bus

-

O

73

A10

Address Bus

-

O

74

A11

Address Bus

-

O

75

GND

Power for Input/Output(0V)

-

-

76

A12

Address Bus

-

O

77

3.3V

Power for Input/Output(3.3V)

-

-

78

A13

Address Bus

-

O

79

A14

Address Bus

-

O

80

A15

Address Bus

-

O

81

A16

Address Bus

-

O

82

A17

Address Bus

-

O

83

A18

Address Bus

-

O

84

A19

Address Bus

-

O

85

A20

Address Bus

-

O

86

GND

Power for Input/Output(0V)

-

-

87

A21

Address Bus

-

O

88

3.3V

Power for Input/Output(3.3V)

-

-

89

A22

Address Bus

-

O

90

A23

Address Bus

-

O

91

GND

Power for Input/Output(0V)

-

-

92

A24

Address Bus

-

O

93

1.9V

Power for Input/Output(1.9V)

-

-

94

A25

Address Bus

-

O

95

BS [for ICE]

Bus cycle Start Signal

-

O

96

RD

Read Strobe

-

O

97

WE0

D7-D0 Select Signal/DQM(SDRAM)

-

O

98

WE1

D15-D8 Select Signal/DQM(SDRAM)

-

O

99

WE2

D23-D16 Select Signal/DQM(SDRAM)

-

O

100

GND

Power for Input/Output(0V)

-

-

101

WE3

D31-D24 Select Signal/DQM(SDRAM)

-

O

102

3.3V

Power for Input/Output(3.3V)

-

-

103

RDWR

Read/Write

-

O

104

AUDSYNC [for ICE]

AUD Synchronize

 

O

105

CS0

Chip Select0 Flash Memory [16bit]

 

O

106

CS2

Chip Select2 Peripheral Device1[16bit]

 

O

107

CS3

Chip Select3 SDRAM [32bit]

 

O

108

CS4

Chip Select4 Peripheral Device2[8bit]

 

O

109

CS5

Chip Select5 Peripheral Device3[8bit]

 

O

110

CS6

Chip Select6 Peripheral Device3[8bit]

 

O

111

ON_15V

Power Control for Panel Drive

 

O

112

SH_SEM_DPRAM

DPRAM Semafo

H fixed

O

113

SWF_CCLK

Clock for Config.

 

O

114

SWF_PROG

Starting for Config.

 

O

115

GND

Power for Input/Output(0V)

-

-

116

(Not used)

-

(Pull-up)

-

117

3.3V

Power for Input/Output(3.3V)

-

-

118

LAMP OPTION SW3

Option SW3

SW1/Sw2/SW3

 

119

LAMP OPTION SW2

Option SW2

I

H/L/H = 320W

120

LAMP OPTION SW1

Option SW1

 

 

 

121

PW_BSY

Prohibit control for DPRAM access

Busy L

I

122

(Reserved)

Transceiver Suspend Output (Reserved)

(Open)

O

123

USBF_VBUS[Func]

USB FunctionVBUS

(Pull-up)

I

124

USB2_ovr_crnt [Host]

USB Host 2 Over Current Detection

(Pull-up)

I

125

(USB Digital)

SCIF RTS/Output Enable for USB

(Open)

O

126

USB1_pwr_en[Func]

USB1 Voltage Control

(Open)

O

127

USB2_pwr_en[Host]

USB2 Voltage Control

(Open)

O

128

CKE

CK Enable(SDRAM)

-

O

129

RAS3

SDRAM RAS

-

O

130

SH_EEP_WP

EEPROM Write Protect

L: Write Enable

O

131

CAS

SDRAM CAS

-

O

132

GND

Power for Input/Output(0V)

-

-

133

STB_GAM_WP

Control for Digital Gamma IC (3 line Serial Strobe)

Select L

O

134

3.3V

Power for Input/Output(3.3V)

-

-

135

SCLK_GAM_SH

Control for Digital Gamma IC (3 line Serial CLK)

-

O

136

SDATA_GAM_SH

Control for Digital Gamma IC (3 line Serial DATA)

-

O

- 53 -

Image 53
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.