Eiki LC-NB3E guide

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Eiki LC-NB3E service manual

Contents

Model No. LC-NB3E Chassis No. MM8-NB3E00 Contents Safety Instructions Safety Precautions Specifications Adjustments after Parts Replacement Optical Adjustments Electrical Adjustments Circuit Protections Fuse Recommendation Mechanical Disassemblies Cabinet Top and Control Panel removalMain Board removal AV, AV Sub Board and Speaker removal Front Panel and R/C Board removalAV board AV Sub board Lamp Ballast Unit removal Filter Board removalFilter board Power Box Cover and FansFN901, FN906 removal 1Optical Unit removalAB B Power and P.F. Board removal 2Optical Unit removal Interlock Switch lever Fan FN905 removalOff from the Cabinet Bottom Fan duct top FN904 FN903 FN902 Integrator Lens-In disassembly Optical Parts DisassembliesProjection Lens removal Condenser lens disassembly Condenser Lens-Out disassembly Relay Lens-Out disassembly Polarized Glass-In removal Polarized Glass-Out removal Optical Unit Top removal Locations and Directions Key No. Description Mounting Procedure LCD Panel/Prism Ass’y ReplacementImportant Notice on LCD Panel/Prism Assy Replacement LCD Panel/Prism Ass’y removal How to check Lamp Replace Counter Lamp ReplacementHow to reset Lamp Replace Counter Order Replacement Lamp Before Adjustment Optical AdjustmentsContrast adjustment Slot B Condenser Lens adjustment Green b Slot B Moving of slot B Slot D Moving of Slot D Condenser Lens-Out adjustment Cyan a Slot B Moving of slot B Moving of slot D Relay lens-Out adjustment White a Slot B a Moving of slot BSlot D Moving of slot D Electrical Adjustments IC1801 is not defective Pedestal adjustment Output Voltage adjustmentFan Voltage adjustment Adjustment Condition Black Level adjustment NRS adjustmentSignal Center adjustment Signal Center Adjustment Offset Adjustment PC Offset adjustmentPC Gain adjustment Gain Adjustment White Balance adjustment AV Gain adjustmentGamma Shift adjustment Common Center adjustment Service Adjustment Data Table Adjustment Item Initial Value Range Description Initial Value Range Description Group 500 ADC IC301 Troubleshooting No PowerAbnormality occurs on the power circuit Power Board Main Board No picture from both of Video and Computer sources No PictureNo picture from Video source No picture from all of sources Video Signal processing diagrams AV/PC-RGB-SW Lens Motor Problems No Sound Control Port Functions System Control & I/O Port Table IC801 MD2 IIC Bus I/O Expander IC1851 Port Functions IIC Bus I/O Expander IC2181 Port FunctionsIIC Bus DA Converter IC1831 Port Functions IIC Bus DA Converter IC2161 Port Functions IIC Bus DA Converter IC1581 Port FunctionsIIC Bus DA Converter IC2571 Port Functions Waveforms VIDEO-INDrive TP52R/TP201R Drive TP52G/TP201G Drive TP52B/TP201G Sync Drive TP62H Sync Drive TP62V DHS Tpdhs DVS Tpdvs Sync OUT IC4101-29 Sync OUT IC4101-28Sync in TP205 Ballast SW TP28L Cleaning Cleaning with air spray Disassembly Cleaning IC Block Diagrams BA7078AF Selector, IC6241 CXA2101AQ RGB Matrix, IC4101 IC Block Diagrams IC Block Diagrams ML60851 USB I/F, IC9801 M62393 D/A, IC2571 TB1274AF Video Decoder, IC1101 TA1318N AFC Detector, IC6171 IC Block Diagrams Page Electrical Parts List Read Description in the parts list OUT of Circuit Board Assemblied Boards BoardKEY SW Board Power Board 610 299 7293 ASSY,PWB,POWER MM8B1AA0B10C352DA Fusible RES 22 JH Line Filter Board 610 294 1708 ASSY,PWB,LINE Filter MS6AAV Board IC LT1399CS FILTER,EMI 100MHZ AV SUB Board 610 297 1804 ASSY,PWB,AV SUB MD8A1AA0B10C3700B Main Board 610 297 1828 ASSY,PWB,MAIN ME8B1AA0B10C371AA IC TB1274AF IC AD8183ARU C2103 C406 C568 Network 0X4 1/16W R152 R2549 R3544 R457 FILTER,LP 7MHZ Accessories Temp Board610 297 1873 ASSY,PWB,TEMP ME8A 1AA0B10C3710B Key No. Part No Description Mechanical Parts List Cabinet Parts Optical Parts Optical Parts List 67 Red Green Blue Red 52-a Optical Parts List MM8-NB3E00 MM8-NB3E00 MM8-NB3E00 Key to better communications Canada