IC Block Diagrams | Eiki LC-NB3E guide

IC Block Diagrams

●CXD2064Q <Digital Comb Filter, IC2101>

●L3E01031 <Level Shift, IC3531, IC3561>

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Eiki LC-NB3E service manual IC Block Diagrams

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 Cabinet Top and Control Panel removal Mechanical DisassembliesMain Board removal Front Panel and R/C Board removal AV, AV Sub Board and Speaker removalAV board AV Sub board Filter Board removal Lamp Ballast Unit removalFilter board 1Optical Unit removal Power Box Cover and FansFN901, FN906 removalAB B 2Optical Unit removal Power and P.F. Board removal Fan FN905 removal Interlock Switch leverOff from the Cabinet Bottom Fan duct top FN904 FN903 FN902 Optical Parts Disassemblies Integrator Lens-In disassemblyProjection Lens removal 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 Important Notice on LCD Panel/Prism Assy Replacement LCD Panel/Prism Ass’y ReplacementMounting Procedure LCD Panel/Prism Ass’y removal How to reset Lamp Replace Counter Lamp ReplacementHow to check Lamp Replace Counter Order Replacement Lamp Contrast adjustment Optical AdjustmentsBefore Adjustment Slot B 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 White a Slot B a Moving of slot B Relay lens-Out adjustmentSlot D Moving of slot D IC1801 is not defective Electrical Adjustments Fan Voltage adjustment Output Voltage adjustmentPedestal adjustment Adjustment Condition Signal Center adjustment NRS adjustmentBlack Level adjustment Signal Center Adjustment PC Gain adjustment PC Offset adjustmentOffset Adjustment Gain Adjustment Gamma Shift adjustment AV Gain adjustmentWhite Balance adjustment Common Center adjustment Service Adjustment Data Table Adjustment Item Initial Value Range Description Initial Value Range Description Group 500 ADC IC301 No Power TroubleshootingAbnormality occurs on the power circuit Power Board Main Board No picture from Video source No PictureNo picture from both of Video and Computer sources No picture from all of 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 I/O Expander IC2181 Port Functions IIC Bus I/O Expander IC1851 Port FunctionsIIC Bus DA Converter IC1831 Port Functions IIC Bus DA Converter IC1581 Port Functions IIC Bus DA Converter IC2161 Port FunctionsIIC Bus DA Converter IC2571 Port Functions VIDEO-IN WaveformsDrive TP52R/TP201R Drive TP52G/TP201G Drive TP52B/TP201G Sync in TP205 Sync OUT IC4101-29 Sync OUT IC4101-28Sync Drive TP62H Sync Drive TP62V DHS Tpdhs DVS Tpdvs Ballast SW TP28L 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 Board Assemblied BoardsKEY SW Board 610 299 7293 ASSY,PWB,POWER MM8B Power Board1AA0B10C352DA Fusible RES 22 JH 610 294 1708 ASSY,PWB,LINE Filter MS6A Line Filter BoardAV Board IC LT1399CS FILTER,EMI 100MHZ 610 297 1804 ASSY,PWB,AV SUB MD8A AV SUB Board1AA0B10C3700B 610 297 1828 ASSY,PWB,MAIN ME8B Main Board1AA0B10C371AA IC TB1274AF IC AD8183ARU C2103 C406 C568 Network 0X4 1/16W R152 R2549 R3544 R457 FILTER,LP 7MHZ Temp Board Accessories610 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