Sanyo PLC-XU45 manual

IC Block Diagrams

●L3E06070 <D/A-Sample & Hold, IC501, IC531, IC561, IC1501, IC1531, IC1561>

● L3E07050 <Color, Gamma Correction & Timing Controller , IC401>

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Sanyo PLC-XU45 service manual L3E07050 Color, Gamma Correction & Timing Controller , IC401

Contents

PLC-XU46 PLC-XU46 PLC-XU45 Contents Safety Instructions Do not Attempt to Servicing Remote Control Unit Specifications Adjustments after Parts Replacement Optical Adjustments Electrical Adjustments Circuit Protections Type T4.0AH 250V Fuse Little Fuse INC. Type Possible causes Recommendation Main Board removal Mechanical DisassembliesCabinet Top and Control Panel removal Temp board AV, DVI, Temp Board and Speaker removalFront Panel and R/C Board removal DVI board Isolation sheet Lamp ballast board SW902 Lamp Ballast Unit removalFilter Board removal Filter board Power Box Cover and FansFN901, FN906 removal Optical Unit removal Power and P.F. Board removal ⁄0Fan FN905 removal ⁄1Fans FN902, FN903, FN904 removal Projection Lens removal Integrator Lens-In disassemblyOptical Parts Disassemblies Condenser lens disassembly Condenser Lens-Out disassembly Holder Relay Lens-Out disassemblyPolarized Glass-In removal LCD Panel Polarized Glass-Out/Pre-Polarized Glass removalOptical Unit Top removal Prism Ass’y Locations and Directions Key No. Description Color Shading Correction LCD Panel/Prism Ass’y ReplacementLCD Panel/Prism Ass’y removal How to check Lamp Replace Counter Lamp ReplacementHow to reset Lamp Replace Counter B-CONTRAST Adjustment Optical AdjustmentsContrast adjustment 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 Slot D Moving of slot D Relay lens-Out adjustmentWhite a Slot B a Moving of slot B Electrical Adjustments IC1801 is not defective Fan Voltage adjustment For PLC-XU45 Output Voltage adjustment For PLC-XU45Output Voltage adjustment For PLC-XU46 Fan Voltage adjustment For PLC-XU46 V12 Signal Center adjustment X12 Pedestal adjustmentC12 NRS adjustment Black Level adjustment AV Gain adjustment PC Offset adjustmentM12 PC Gain adjustment Common Center adjustment Adjustment ⁄01 Gamma Shift adjustment⁄11 White Balance adjustment TB1274 CXA2101 TA1318 LP05 Turbo Group 500 ADC Group 10 OptionFan Control Group 510 Ntsc Gakaku Group 515 Hdtv 720p Gakaku Group 513 Hdtv 1080i-50 GakakuGroup 514 Hdtv 1035i Gakaku Group 516 Hdtv 575p Gakaku Test Points and Locations Main Board Troubleshooting Abnormality occurs on the power circuit IC801 F601Fuse Thermal sw. Interlock sw No picture from both of Video and Computer sources No picture from Video sourceNo picture from DVI source No picture from all of sources Video Signal processing diagrams No audio output signal at speaker No audio signals at AV input circuitIncorrect operation of VIDEO/COMPUTER mode switching No power supply at audio circuit Control Port Functions System Control & I/O Port Table IC801 Control Port Functions 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 WaveformVIDEO-IN 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 IC Block Diagrams BA7078AF Selector, IC6241 CXA2101AQ RGB Matrix, IC4101 IC Block Diagrams L3E07050 Color, Gamma Correction & Timing Controller , IC401 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 610 292 5609 ASSY,PWB,KEY SW MS6A Assemblied Boards ME3-XU4500, PLC-XU45KEY SW Board Assemblied Boards MF3-XU4600, PLC-XU46 Transistor AV Board610 299 7330 ASSY,PWB,AV MK8A Integrated Circuit NP-ELECT Coil DVI Board610 299 7347 ASSY,PWB,DVI MK8A 610 305 8641 ASSY,PWB,POWER MF3A Power Board610 301 0939 ASSY,PWB,POWER MK8A For ME3-XU4500, PLC-XU45 MT-POLYEST 0.047U K MF3-XU4600, PLC-XU46 Transformer 610 305 8658 ASSY,PWB,P.F. MF3A Board610 301 0946 ASSY,PWB,P.F. MK8A 610 301 0953 ASSY,PWB,LINE Filter MK8A Main BoardLine Filter Board 405 014 4608 2SC2412K T146 173 9803 2SC3928A1R 015 8704 IC MM1031XM SN74AHCT1G14DBVR C1539 403 164 0204 403 373 C5217 403 164 0204 Network RB413 645 037 0663 Network 22X4 0.063W R1132 R152 401 8104 R2546 401 105 7909 R336 401 7909 R433 401 105 3901 Fusible Diode Integrated Circuit Temp Board610 304 8932 ASSY,PWB,TEMP ME3A AC Cord AccessoriesRemote Control Mechanical Parts List Optical Parts 67 Red Green Blue Polarized glass Optical filterWV 52-a Model PLC-XU46 Model PLC-XU45 Mechanical Parts List Chassis Parts Cabinet Parts ScrewsOptical Parts Page PLC-XU45 Diagrams & Drawings Schematic DiagramsPrinted Wiring Board Drawings PLC-XU46 Parts description and reading in schematic diagram Resistor Reading Circuit Block Diagram 5VS 5VDVI 5VS3VS 5VD 9V MCI DVI Sideb Printed Wiring Board DiagramsAV Sidea DVI Sidea Temp Sidea Main SideaSidea Temp Sideb Main SidebSideb IC5211 K6R Power Sidea Power SidebK6S IC671 KEY SW Sideb KEY SW SideaLine Filter Sidea K6B A10 IC681 Schematic Diagrams PLC-XU45,46 A11 LeftLine Filter Baord FA7701V Schematic Diagrams PLC-XU45,46 A11 Right Ower Supply Audio Schematic Diagrams PLC-XU45,46 A12 LeftIC6171 Schematic Diagrams PLC-XU45,46 A12 Right TA1318AF Schematic Diagrams PLC-XU45,46 A13 Left Digital Schematic Diagrams PLC-XU45,46 A13 Right Matri AD8185ARU Schematic Diagrams PLC-XU45,46 A14 LeftCG1/CG2-SW AD8183ARU Schematic Diagrams PLC-XU45,46 A14 Right 3VS C201 TE201E IC8001 Schematic Diagrams PLC-XU45,46 A15 LeftIC301 IC1341 Schematic Diagrams PLC-XU45,46 A15 RightDigital Color Unformity Correction Timing Control Lamp Schematic Diagrams PLC-XU45,46 A16 Left50-52 CPU Schematic Diagrams PLC-XU45,46 A16 RightSUB Memory Uniformity & Gamma Schematic Diagrams PLC-XU45,46 A17 LeftColor Correction Shift Schematic Diagrams PLC-XU45,46 A17 RightLevel Schematic Diagrams PLC-XU45,46 A18 Left Schematic Diagrams PLC-XU45,46 A18 Right Pin description of diode, transistor and IC IC IC