Sanyo PLC-XU45 service manual IC Block Diagrams

Page 53

IC Block Diagrams

●FA7612CA <PWC Controller, IC65A, IC671, IC681>

●STR-Z2156 <Switching Controller, IC631>

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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 causesMain Board removal Mechanical DisassembliesCabinet Top and Control Panel removal Front Panel and R/C Board removal AV, DVI, Temp Board and Speaker removalTemp board DVI boardFilter Board removal Lamp Ballast Unit removalIsolation sheet Lamp ballast board SW902 Filter boardOptical Unit removal Power Box Cover and FansFN901, FN906 removalPower and P.F. Board removal ⁄1Fans FN902, FN903, FN904 removal ⁄0Fan FN905 removalProjection Lens removal Integrator Lens-In disassemblyOptical Parts Disassemblies Condenser Lens-Out disassembly Condenser lens disassemblyHolder Relay Lens-Out disassemblyPolarized Glass-In removal Optical Unit Top removal Polarized Glass-Out/Pre-Polarized Glass removalLCD Panel Prism Ass’yKey No. Description Locations and DirectionsColor 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 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 adjustmentSlot D Moving of slot D Relay lens-Out adjustmentWhite a Slot B a Moving of slot B IC1801 is not defective Electrical AdjustmentsOutput Voltage adjustment For PLC-XU46 Output Voltage adjustment For PLC-XU45Fan Voltage adjustment For PLC-XU45 Fan Voltage adjustment For PLC-XU46C12 NRS adjustment X12 Pedestal adjustmentV12 Signal Center adjustment Black Level adjustmentM12 PC Gain adjustment PC Offset adjustmentAV Gain adjustment Common Center adjustmentAdjustment ⁄01 Gamma Shift adjustment⁄11 White Balance adjustment CXA2101 TB1274LP05 Turbo TA1318Fan Control Group 10 OptionGroup 500 ADC Group 510 Ntsc GakakuGroup 514 Hdtv 1035i Gakaku Group 513 Hdtv 1080i-50 GakakuGroup 515 Hdtv 720p Gakaku Group 516 Hdtv 575p GakakuMain Board Test Points and LocationsAbnormality occurs on the power circuit TroubleshootingIC801 F601Fuse Thermal sw. Interlock sw No picture from DVI source No picture from Video sourceNo picture from both of Video and Computer sources No picture from all of sourcesVideo Signal processing diagrams Incorrect operation of VIDEO/COMPUTER mode switching No audio signals at AV input circuitNo audio output signal at speaker No power supply at audio circuitSystem Control & I/O Port Table IC801 Control Port FunctionsControl 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 in TP205 Sync OUT IC4101-29 Sync OUT IC4101-28Sync Drive TP62H Sync Drive TP62V DHS Tpdhs DVS Tpdvs Ballast SW TP28LCleaning 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 KEY SW Board Assemblied Boards ME3-XU4500, PLC-XU45610 292 5609 ASSY,PWB,KEY SW MS6A Assemblied Boards MF3-XU4600, PLC-XU46610 299 7330 ASSY,PWB,AV MK8A AV BoardTransistor Integrated CircuitNP-ELECT Coil DVI Board610 299 7347 ASSY,PWB,DVI MK8A 610 301 0939 ASSY,PWB,POWER MK8A Power Board610 305 8641 ASSY,PWB,POWER MF3A For ME3-XU4500, PLC-XU45MT-POLYEST 0.047U K Transformer MF3-XU4600, PLC-XU46610 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 Optical filterWV Polarized glassModel PLC-XU46 Model PLC-XU45 52-aMechanical Parts List Chassis Parts Cabinet Parts ScrewsOptical Parts Page Printed Wiring Board Drawings Diagrams & Drawings Schematic DiagramsPLC-XU45 PLC-XU46Resistor Reading Parts description and reading in schematic diagramCircuit Block Diagram 3VS 5VS5VS 5VDVI 5VD 9V MCIDVI Sideb Printed Wiring Board DiagramsAV Sidea DVI Sidea Temp Sidea Main SideaSidea Sideb Main SidebTemp Sideb IC5211K6S Power Sidea Power SidebK6R IC671Line Filter Sidea KEY SW SideaKEY SW Sideb K6BA10 Line Filter Baord Schematic Diagrams PLC-XU45,46 A11 LeftIC681 FA7701VOwer Supply Schematic Diagrams PLC-XU45,46 A11 RightAudio Schematic Diagrams PLC-XU45,46 A12 LeftIC6171 TA1318AF Schematic Diagrams PLC-XU45,46 A12 RightDigital Schematic Diagrams PLC-XU45,46 A13 LeftMatri Schematic Diagrams PLC-XU45,46 A13 RightCG1/CG2-SW Schematic Diagrams PLC-XU45,46 A14 LeftAD8185ARU AD8183ARU3VS C201 TE201E Schematic Diagrams PLC-XU45,46 A14 RightIC8001 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 SUB Schematic Diagrams PLC-XU45,46 A16 RightCPU MemoryColor Schematic Diagrams PLC-XU45,46 A17 LeftUniformity & Gamma CorrectionShift Schematic Diagrams PLC-XU45,46 A17 RightLevel Schematic Diagrams PLC-XU45,46 A18 Left Schematic Diagrams PLC-XU45,46 A18 Right IC IC Pin description of diode, transistor and IC