Sanyo PLC-XU45 service manual ML60851 USB I/F, IC9801 M62393 D/A, IC2571

Page 51

IC Block Diagrams

●ML60851 <USB I/F, IC9801>

●M62393 <D/A, IC2571>

-51-

Image 51

Contents PLC-XU46 PLC-XU45 PLC-XU46Contents Do not Attempt to Servicing Remote Control Unit Safety InstructionsSpecifications Optical Adjustments Electrical Adjustments Adjustments after Parts ReplacementType T4.0AH 250V Fuse Little Fuse INC. Type Circuit ProtectionsRecommendation Possible causesMechanical Disassemblies Cabinet Top and Control Panel removalMain Board removal DVI board AV, DVI, Temp Board and Speaker removalFront Panel and R/C Board removal Temp boardFilter board Lamp Ballast Unit removalFilter Board removal Isolation sheet Lamp ballast board SW902Optical Unit removal Power Box Cover and FansFN901, FN906 removalPower and P.F. Board removal ⁄1Fans FN902, FN903, FN904 removal ⁄0Fan FN905 removalIntegrator Lens-In disassembly Optical Parts DisassembliesProjection Lens removal Condenser Lens-Out disassembly Condenser lens disassemblyRelay Lens-Out disassembly Polarized Glass-In removalHolder Prism Ass’y Polarized Glass-Out/Pre-Polarized Glass removalOptical Unit Top removal LCD PanelKey No. Description Locations and DirectionsLCD Panel/Prism Ass’y Replacement LCD Panel/Prism Ass’y removalColor Shading Correction Lamp Replacement How to reset Lamp Replace CounterHow to check Lamp Replace Counter Optical Adjustments Contrast adjustmentB-CONTRAST Adjustment Green b Slot B Moving of slot B Slot D Moving of Slot D Condenser Lens adjustmentCyan a Slot B Moving of slot B Moving of slot D Condenser Lens-Out adjustmentRelay lens-Out adjustment White a Slot B a Moving of slot BSlot D Moving of slot D IC1801 is not defective Electrical AdjustmentsFan Voltage adjustment For PLC-XU46 Output Voltage adjustment For PLC-XU45Output Voltage adjustment For PLC-XU46 Fan Voltage adjustment For PLC-XU45Black Level adjustment X12 Pedestal adjustmentC12 NRS adjustment V12 Signal Center adjustmentCommon Center adjustment PC Offset adjustmentM12 PC Gain adjustment AV Gain adjustment⁄01 Gamma Shift adjustment ⁄11 White Balance adjustmentAdjustment CXA2101 TB1274LP05 Turbo TA1318Group 510 Ntsc Gakaku Group 10 OptionFan Control Group 500 ADCGroup 516 Hdtv 575p Gakaku Group 513 Hdtv 1080i-50 GakakuGroup 514 Hdtv 1035i Gakaku Group 515 Hdtv 720p GakakuMain Board Test Points and LocationsAbnormality occurs on the power circuit TroubleshootingF601 Fuse Thermal sw. Interlock swIC801 No picture from all of sources No picture from Video sourceNo picture from DVI source No picture from both of Video and Computer sourcesVideo Signal processing diagrams No power supply at audio circuit No audio signals at AV input circuitIncorrect operation of VIDEO/COMPUTER mode switching No audio output signal at speakerSystem Control & I/O Port Table IC801 Control Port FunctionsControl Port Functions 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 Waveform VIDEO-INDrive TP52R/TP201R Drive TP52G/TP201G Drive TP52B/TP201G Ballast SW TP28L Sync OUT IC4101-29 Sync OUT IC4101-28Sync in TP205 Sync Drive TP62H Sync Drive TP62V DHS Tpdhs DVS TpdvsCleaning with air spray CleaningIC 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 Read Description in the parts list Electrical Parts ListOUT of Circuit Board Assemblied Boards MF3-XU4600, PLC-XU46 Assemblied Boards ME3-XU4500, PLC-XU45KEY SW Board 610 292 5609 ASSY,PWB,KEY SW MS6AIntegrated Circuit AV Board610 299 7330 ASSY,PWB,AV MK8A TransistorNP-ELECT DVI Board 610 299 7347 ASSY,PWB,DVI MK8ACoil For ME3-XU4500, PLC-XU45 Power Board610 301 0939 ASSY,PWB,POWER MK8A 610 305 8641 ASSY,PWB,POWER MF3AMT-POLYEST 0.047U K Transformer MF3-XU4600, PLC-XU46Board 610 301 0946 ASSY,PWB,P.F. MK8A610 305 8658 ASSY,PWB,P.F. MF3A Main Board Line Filter Board610 301 0953 ASSY,PWB,LINE Filter MK8A 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 Temp Board 610 304 8932 ASSY,PWB,TEMP ME3ADiode Integrated Circuit Accessories Remote ControlAC Cord Mechanical Parts List Optical Parts 67 Red Green Blue Optical filterWV Polarized glassModel PLC-XU46 Model PLC-XU45 52-aMechanical Parts List Cabinet Parts Screws Optical PartsChassis Parts Page PLC-XU46 Diagrams & Drawings Schematic DiagramsPrinted Wiring Board Drawings PLC-XU45Resistor Reading Parts description and reading in schematic diagramCircuit Block Diagram 5VD 9V MCI 5VS3VS 5VS 5VDVIPrinted Wiring Board Diagrams AV Sidea DVI SideaDVI Sideb Main Sidea SideaTemp Sidea IC5211 Main SidebSideb Temp SidebIC671 Power Sidea Power SidebK6S K6RK6B KEY SW SideaLine Filter Sidea KEY SW SidebA10 FA7701V Schematic Diagrams PLC-XU45,46 A11 LeftLine Filter Baord IC681Ower Supply Schematic Diagrams PLC-XU45,46 A11 RightSchematic Diagrams PLC-XU45,46 A12 Left IC6171Audio TA1318AF Schematic Diagrams PLC-XU45,46 A12 RightDigital Schematic Diagrams PLC-XU45,46 A13 LeftMatri Schematic Diagrams PLC-XU45,46 A13 RightAD8183ARU Schematic Diagrams PLC-XU45,46 A14 LeftCG1/CG2-SW AD8185ARU3VS C201 TE201E Schematic Diagrams PLC-XU45,46 A14 RightSchematic Diagrams PLC-XU45,46 A15 Left IC301IC8001 Schematic Diagrams PLC-XU45,46 A15 Right Digital Color Unformity Correction Timing ControlIC1341 Schematic Diagrams PLC-XU45,46 A16 Left 50-52Lamp Memory Schematic Diagrams PLC-XU45,46 A16 RightSUB CPUCorrection Schematic Diagrams PLC-XU45,46 A17 LeftColor Uniformity & GammaSchematic Diagrams PLC-XU45,46 A17 Right LevelShift Schematic Diagrams PLC-XU45,46 A18 Left Schematic Diagrams PLC-XU45,46 A18 Right IC IC Pin description of diode, transistor and IC