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Eiki LC-X71 LC-X71L service manual TDA1517ATW Audio Output, IC1681, IC1682, IC Block Diagrams

Models: LC-X71 LC-X71L

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IC Block Diagrams

●TDA1517ATW <Audio Output, IC1681, IC1682>

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Eiki LC-X71 LC-X71L service manual TDA1517ATW Audio Output, IC1681, IC1682, IC Block Diagrams

Contents

LC-X71 SERVICE MANUAL Multimedia Projector Model No. LC-X71 LC-X71LChassis No. KE6-X7100 KE6-X71L00 ORIGINAL VERSIONContents SERVICE PERSONNEL WARNING Safety InstructionsSAFETY PRECAUTIONS PRODUCT SAFETY NOTICESpecifications Fuse Thermal switchInterlock switch Circuit ProtectionsRECOMMENDATION Warning temperature and power failure protectionAir filter care and cleaning Possible causesFig.1 Mechanical Disassemblies1 Cabinet Top removal 2 Cabinet Front removal4 AV, I/F Board & Rear Panel removal 3 Main Board removalFig.4 6 Optical Unit removal 5 Lamp Ballast Unit removalFig.5 Fig.8 8 Power Board removal7 Prism Base removal Fig.7Fig.10 9 Filter Board & Interlock SW & Thermal SW removal10 Fans FN901, FN902 removal Fig.9Optical Parts Disassemblies Relay Lens disassemblyProjection Lens removal Fig.3-1 Polarized Glass-In removalFig.3-2 Fig.4-1 Polarized Glass-Out and Wide view Glass removal1 Remove 7 screws to take the Optical Unit Top off upward Condenser Lens disassemblyOptical Unit Top removal Optical Pats DisassembliesOptical Parts Disassemblies Locations and DirectionsDescription LCD Panel/Prism Ass’y removal LCD Panel/Prism Ass’y ReplacementNote on LCD Panel/Prism Ass’y Mounting Note on LCD Panel/Prism Ass’y Recommendation Lamp ReplacementHow to reset Lamp Replace Counter How to check lamp used timeOptical Adjustments Electrical Adjustments Adjustments after Parts ReplacementFig.1-1 Optical AdjustmentsContrast adjustment R/G/B-CONTRAST ADJUSTMENTFig.2-1 Condenser Lens adjustmentFig.2-2 Relay lens-Out adjustment Service Mode Electrical AdjustmentsService Adjustment Menu Operation Memory IC Replacementz Output Voltage adjustment Circuit Adjustmentsx +16V adjustment n PC Black Level adjustment c Fan Voltage adjustmentb PSIG adjustment v Video Center adjustment⁄0PC Gamma-shift adjustment m PC Input adjustmentA/V Input adjustment Common Center adjustment⁄3AV White Balance adjustment ⁄2AV Gamma-shift adjustmentNOTE ON WHITE UNIFORMITY ADJUSTMENT IC1871 Test Points and LocationsElectrical Adjustments IC801Initial Value Service Adjustment Data TableAdjustment Item Group No143 144 145 146 147 148 149 150 Adjustment for AV input Last Calib Table Offset AD9882M62393FP Composite NTSCRange Electrical AdjustmentsGroup No. Adjustment Item Initial ValueInitial Value Electrical AdjustmentsAdjustment Item Group No436 RGB Video RGB-Video 1080-25psf Range Electrical AdjustmentsGroup No. Adjustment Item Initial Value980 Color shading correction 720 22pull down setting721 23pull down setting Ghost DriftR-LCD PANEL Chassis block diagramsChassis Description Chassis over viewMAIN BOARD Video signal processing stageChassis Description A/V BOARDChassis Description Audio signal processing stageK16I FAN control stageFAN location Chassis DescriptionLENS SHIFT Lamp control stageMotor control stage Chassis DescriptionChassis Description Serial bus control stageCIRCUIT Power supply lines & power failure detectionChassis Description PRIMARYChassis Description LED indication and projector conditionIndicators Projector ConditionError information table Power failure detection systemDetection of Power failure Chassis Description Power failure detection treeDiagnosis procedure Diagnosis of power failure with RS-232C portThe Latest Error Error history logSystem Control & I/O Port Table IC801, HD6417727F Control Port FunctionsControl Port Functions Control Port Functions Control Port Functions Control Port Functions Parallel I/O Expander IC4801, TIC81592GPIC7801 IIC Bus D/A ConverterIC281 M62393Waveforms Cleaning with air spray CleaningDisassembly Cleaning AD9882 IC Block DiagramsBH3540 Volume Control, IC1652 AD8183ARU/AD8185ARUCXA7004R LCD Driver, IC501, IC531, IC561, IC1501, IC1531, IC1561 CXD3531R Digital Signal Driver & Timing Generator , IC401EDD2516 DDR Memory, IC1301, IC1311,IC1321,IC1331 CXD3807 AV A/D, IC9201IC Block Diagrams IC Block Diagrams EM638325TS DDR Memory, IC1801 FA5502M P. F. Controller, IC601LB1641 IC1602, IC1611 IDT70V24S15PFG DP RAM, IC4701Motor Drive SP232PW388 System Control & Scan Converter, IC301 STR-Z2156A Power Switching, IC651IC Block Diagrams TIC81592 I/O Expander, IC4801 TA1370FG Sync Separator, Frequency Counter, IC3231Divide IC Block Diagrams TDA1517ATW Audio Output, IC1681, IC1682Read Description in the parts list Electrical Parts ListCooling Fan Electrical Parts ListElectrical Parts List Electrical Parts List Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription A/V BOARD Electrical Parts ListDescription DescriptionDescription Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListDescription Description Electrical Parts ListPOWER BOARD 610 328 8383 ASSY,PWB,POWER KE6BDescription Electrical Parts ListDescription Description Electrical Parts ListSUB POWER BOARD 610 328 8413 ASSY,PWB,SUB POWER KE6BDRIVE BOARD Electrical Parts ListDescription DescriptionKE6-X71L00 Electrical Parts ListKE6-X71L00 different partsCABINET PARTS Mechanical Parts ListKE6-X7100 23-b23-a 23-cTYPE-R Optical Parts List70-a 24-aPage 71-b G Optical Parts List71R/L 71-a Rfurther instructions Optical Parts ListKE6-X7100 KE6-X71L00 2006 Eiki International, Inc A-key to better communicationsChassis No Diagrams & DrawingsSchematic Diagrams Printed Wiring Board Drawings ModelIC IC Pin description of diode, transistor and ICDiode Transistor/FETDiagrams & Drawings LC-X71, LC-X71L