52-a | Eiki LC-NB3E specs

MM8-NB3E00

Optical Parts List

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Eiki LC-NB3E service manual 52-a

Contents

Chassis No. MM8-NB3E00 Model No. LC-NB3E Contents Safety Precautions Safety Instructions Specifications Optical Adjustments Electrical Adjustments Adjustments after Parts Replacement Fuse Circuit Protections Recommendation Main Board removal Mechanical DisassembliesCabinet Top and Control Panel removal AV board AV Sub board AV, AV Sub Board and Speaker removalFront Panel and R/C Board removal Filter board Lamp Ballast Unit removalFilter Board removal AB B Power Box Cover and FansFN901, FN906 removal1Optical Unit removal 2Optical Unit removal Power and P.F. Board removal Off from the Cabinet Bottom Fan duct top FN904 FN903 FN902 Interlock Switch leverFan FN905 removal Projection Lens removal Integrator Lens-In disassemblyOptical Parts Disassemblies Condenser Lens-Out disassembly Condenser lens disassembly Polarized Glass-In removal Relay Lens-Out disassembly Optical Unit Top removal Polarized Glass-Out removal Key No. Description Locations and Directions LCD Panel/Prism Ass’y removal LCD Panel/Prism Ass’y ReplacementImportant Notice on LCD Panel/Prism Assy Replacement Mounting Procedure Order Replacement Lamp Lamp ReplacementHow to reset Lamp Replace Counter How to check Lamp Replace Counter Slot B Optical AdjustmentsContrast adjustment Before Adjustment Green b Slot B Moving of slot B Slot D Moving of Slot D Condenser Lens adjustment Cyan a Slot B Moving of slot B Moving of slot D Condenser Lens-Out adjustment Slot D Moving of slot D Relay lens-Out adjustmentWhite a Slot B a Moving of slot B IC1801 is not defective Electrical Adjustments Adjustment Condition Output Voltage adjustmentFan Voltage adjustment Pedestal adjustment Signal Center Adjustment NRS adjustmentSignal Center adjustment Black Level adjustment Gain Adjustment PC Offset adjustmentPC Gain adjustment Offset Adjustment Common Center adjustment AV Gain adjustmentGamma Shift adjustment White Balance adjustment Service Adjustment Data Table Adjustment Item Initial Value Range Description Initial Value Range Description Group 500 ADC IC301 Abnormality occurs on the power circuit TroubleshootingNo Power Power Board Main Board No picture from all of sources No PictureNo picture from Video source No picture from both of Video and Computer sources AV/PC-RGB-SW Video Signal processing diagrams No Sound Lens Motor Problems System Control & I/O Port Table IC801 Control Port Functions MD2 IIC Bus DA Converter IC1831 Port Functions IIC Bus I/O Expander IC1851 Port FunctionsIIC Bus I/O Expander IC2181 Port Functions IIC Bus DA Converter IC2571 Port Functions IIC Bus DA Converter IC2161 Port FunctionsIIC Bus DA Converter IC1581 Port Functions Drive TP52R/TP201R Drive TP52G/TP201G Drive TP52B/TP201G WaveformsVIDEO-IN Ballast SW TP28L Sync OUT IC4101-29 Sync OUT IC4101-28Sync in TP205 Sync Drive TP62H Sync Drive TP62V DHS Tpdhs DVS Tpdvs Cleaning with air spray Disassembly Cleaning 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 Read Description in the parts list Electrical Parts List OUT of Circuit Board KEY SW Board Assemblied BoardsBoard 1AA0B10C352DA Power Board610 299 7293 ASSY,PWB,POWER MM8B Fusible RES 22 JH AV Board Line Filter Board610 294 1708 ASSY,PWB,LINE Filter MS6A IC LT1399CS FILTER,EMI 100MHZ 1AA0B10C3700B AV SUB Board610 297 1804 ASSY,PWB,AV SUB MD8A 1AA0B10C371AA Main Board610 297 1828 ASSY,PWB,MAIN ME8B IC TB1274AF IC AD8183ARU C2103 C406 C568 Network 0X4 1/16W R152 R2549 R3544 R457 FILTER,LP 7MHZ 610 297 1873 ASSY,PWB,TEMP ME8A 1AA0B10C3710B AccessoriesTemp Board 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