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Eiki LC-X71 LC-X71L service manual TA1370FG Sync Separator, Frequency Counter, IC3231, Divide

Models: LC-X71 LC-X71L

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●TA1370FG <Sync Separator, Frequency Counter, IC3231>

IC Block Diagrams

●TA1370FG <Sync Separator, Frequency Counter, IC3231>

●TIC81592 <I/O Expander, IC4801>

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Eiki LC-X71 LC-X71L TA1370FG Sync Separator, Frequency Counter, IC3231, TIC81592 I/O Expander, IC4801, Divide

Contents

ORIGINAL VERSION SERVICE MANUAL Multimedia Projector Model No. LC-X71 LC-X71LChassis No. KE6-X7100 KE6-X71L00 LC-X71Contents PRODUCT SAFETY NOTICE Safety InstructionsSAFETY PRECAUTIONS SERVICE PERSONNEL WARNINGSpecifications Circuit Protections Thermal switchInterlock switch FusePossible causes Warning temperature and power failure protectionAir filter care and cleaning RECOMMENDATION2 Cabinet Front removal Mechanical Disassemblies1 Cabinet Top removal Fig.13 Main Board removal 4 AV, I/F Board & Rear Panel removalFig.4 5 Lamp Ballast Unit removal 6 Optical Unit removalFig.5 Fig.7 8 Power Board removal7 Prism Base removal Fig.8Fig.9 9 Filter Board & Interlock SW & Thermal SW removal10 Fans FN901, FN902 removal Fig.10Relay Lens disassembly Optical Parts DisassembliesProjection Lens removal Polarized Glass-In removal Fig.3-1Fig.3-2 Polarized Glass-Out and Wide view Glass removal Fig.4-1Optical Pats Disassemblies Condenser Lens disassemblyOptical Unit Top removal 1 Remove 7 screws to take the Optical Unit Top off upwardLocations and Directions Optical Parts DisassembliesDescription LCD Panel/Prism Ass’y Replacement LCD Panel/Prism Ass’y removalNote on LCD Panel/Prism Ass’y Mounting Note on LCD Panel/Prism Ass’y How to check lamp used time Lamp ReplacementHow to reset Lamp Replace Counter RecommendationAdjustments after Parts Replacement Optical Adjustments Electrical AdjustmentsR/G/B-CONTRAST ADJUSTMENT Optical AdjustmentsContrast adjustment Fig.1-1Condenser Lens adjustment Fig.2-1Fig.2-2 Relay lens-Out adjustment Memory IC Replacement Electrical AdjustmentsService Adjustment Menu Operation Service ModeCircuit Adjustments z Output Voltage adjustmentx +16V adjustment v Video Center adjustment c Fan Voltage adjustmentb PSIG adjustment n PC Black Level adjustmentCommon Center adjustment m PC Input adjustmentA/V Input adjustment ⁄0PC Gamma-shift adjustment⁄2AV Gamma-shift adjustment ⁄3AV White Balance adjustmentNOTE ON WHITE UNIFORMITY ADJUSTMENT IC801 Test Points and LocationsElectrical Adjustments IC1871Group No Service Adjustment Data TableAdjustment Item Initial Value143 144 145 146 147 148 149 150 Adjustment for AV input Composite NTSC AD9882M62393FP Last Calib Table OffsetInitial Value Electrical AdjustmentsGroup No. Adjustment Item RangeGroup No Electrical AdjustmentsAdjustment Item Initial Value436 RGB Video RGB-Video 1080-25psf Initial Value Electrical AdjustmentsGroup No. Adjustment Item RangeGhost Drift 720 22pull down setting721 23pull down setting 980 Color shading correctionChassis over view Chassis block diagramsChassis Description R-LCD PANELA/V BOARD Video signal processing stageChassis Description MAIN BOARDAudio signal processing stage Chassis DescriptionChassis Description FAN control stageFAN location K16IChassis Description Lamp control stageMotor control stage LENS SHIFTSerial bus control stage Chassis DescriptionPRIMARY Power supply lines & power failure detectionChassis Description CIRCUITProjector Condition LED indication and projector conditionIndicators Chassis DescriptionPower failure detection system Error information tableDetection of Power failure Power failure detection tree Chassis DescriptionDiagnosis of power failure with RS-232C port Diagnosis procedureError history log The Latest ErrorControl Port Functions System Control & I/O Port Table IC801, HD6417727FControl Port Functions Control Port Functions Control Port Functions Parallel I/O Expander IC4801, TIC81592GP Control Port FunctionsM62393 IIC Bus D/A ConverterIC281 IC7801Waveforms Cleaning Cleaning with air sprayDisassembly Cleaning AD8183ARU/AD8185ARU IC Block DiagramsBH3540 Volume Control, IC1652 AD9882CXD3531R Digital Signal Driver & Timing Generator , IC401 CXA7004R LCD Driver, IC501, IC531, IC561, IC1501, IC1531, IC1561CXD3807 AV A/D, IC9201 EDD2516 DDR Memory, IC1301, IC1311,IC1321,IC1331IC Block Diagrams EM638325TS DDR Memory, IC1801 FA5502M P. F. Controller, IC601 IC Block DiagramsSP232 IDT70V24S15PFG DP RAM, IC4701Motor Drive LB1641 IC1602, IC1611STR-Z2156A Power Switching, IC651 PW388 System Control & Scan Converter, IC301IC Block Diagrams TA1370FG Sync Separator, Frequency Counter, IC3231 TIC81592 I/O Expander, IC4801Divide TDA1517ATW Audio Output, IC1681, IC1682 IC Block DiagramsElectrical Parts List Read Description in the parts listElectrical Parts List Cooling FanElectrical Parts List Electrical Parts List Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Description Electrical Parts ListDescription A/V BOARDElectrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription Electrical Parts List DescriptionDescription 610 328 8383 ASSY,PWB,POWER KE6B Electrical Parts ListPOWER BOARD DescriptionElectrical Parts List DescriptionDescription 610 328 8413 ASSY,PWB,SUB POWER KE6B Electrical Parts ListSUB POWER BOARD DescriptionDescription Electrical Parts ListDescription DRIVE BOARDdifferent parts Electrical Parts ListKE6-X71L00 KE6-X71L00Mechanical Parts List CABINET PARTS23-c 23-b23-a KE6-X710024-a Optical Parts List70-a TYPE-RPage 71-a R Optical Parts List71R/L 71-b GOptical Parts List further instructionsKE6-X7100 KE6-X71L00 A-key to better communications 2006 Eiki International, IncModel Diagrams & DrawingsSchematic Diagrams Printed Wiring Board Drawings Chassis NoTransistor/FET Pin description of diode, transistor and ICDiode IC ICDiagrams & Drawings LC-X71, LC-X71L