Sanyo PLC-XU45 service manual Contents

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■Contents

■Contents________________________________________________________2

■Safety Instructions ________________________________________________3 PRODUCT SAFETY NOTICE ____________________________________3 SERVICE PERSONNEL WARNING ______________________________3 SAFETY PRECAUTIONS ______________________________________3

■Specifications ____________________________________________________4

■Adjustments after Parts Replacement ________________________________5

■Circuit Protections ________________________________________________6 Fuse ______________________________________________________6 Thermal switch ______________________________________________6 Interlock switch ______________________________________________6

Warning temperature and power failure protection __________________7

■Mechanical Disassemblies__________________________________________8

■ Optical Parts Disassemblies ______________________________________14

■LCD Panel/Prism Ass’y Replacement ________________________________19

■Lamp Replacement ______________________________________________20

■Optical Adjustments ______________________________________________21

■Electrical Adjustments ____________________________________________25 Service Adjustment Menu Operation______________________________25 Circuit Adjustments __________________________________________26 Service Adjustment Data Table __________________________________30 Test Points and Locations ______________________________________34

■Troubleshooting ________________________________________________35 No Power __________________________________________________35 No Picture __________________________________________________37 No Sound __________________________________________________39 Lens Motor Problems__________________________________________39

■Control Port Functions ____________________________________________40

■Waveform ______________________________________________________44

■Cleaning ______________________________________________________46

■IC Block Diagrams ______________________________________________47

■Service parts lists ____________________________________________ 55-87

●Electrical parts list ______________________________________ 55-80

●Mechanical parts list ____________________________________ 81-87

Drawings & Diagrams ______________________________________ A1-A18

■Parts description and reading in schematic diagram ____________________ A2

■Circuit block diagram ____________________________________________ A3

■Power supply lines ______________________________________________ A4

■Printed wiring board diagrams ________________________________ A5-A10

■Schematic diagrams ________________________________________ A11-A18

■Pins description of ICs, transistors, diodes __________________________ A19

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Contents PLC-XU46 PLC-XU46 PLC-XU45Contents Safety Instructions Do not Attempt to Servicing Remote Control UnitSpecifications Adjustments after Parts Replacement Optical Adjustments Electrical AdjustmentsCircuit Protections Type T4.0AH 250V Fuse Little Fuse INC. TypePossible causes RecommendationMain 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 boardIsolation sheet Lamp ballast board SW902 Lamp Ballast Unit removalFilter Board removal Filter boardPower Box Cover and FansFN901, FN906 removal Optical Unit removalPower and P.F. Board removal ⁄0Fan FN905 removal ⁄1Fans FN902, FN903, FN904 removalProjection Lens removal Integrator Lens-In disassemblyOptical Parts Disassemblies Condenser lens disassembly Condenser Lens-Out disassemblyHolder Relay Lens-Out disassemblyPolarized Glass-In removal LCD Panel Polarized Glass-Out/Pre-Polarized Glass removalOptical Unit Top removal Prism Ass’yLocations and Directions Key No. DescriptionColor 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 DCondenser Lens-Out adjustment Cyan a Slot B Moving of slot B Moving of slot DSlot D Moving of slot D Relay lens-Out adjustmentWhite a Slot B a Moving of slot B Electrical Adjustments IC1801 is not defectiveFan Voltage adjustment For PLC-XU45 Output Voltage adjustment For PLC-XU45Output Voltage adjustment For PLC-XU46 Fan Voltage adjustment For PLC-XU46V12 Signal Center adjustment X12 Pedestal adjustmentC12 NRS adjustment Black Level adjustmentAV Gain adjustment PC Offset adjustmentM12 PC Gain adjustment Common Center adjustmentAdjustment ⁄01 Gamma Shift adjustment⁄11 White Balance adjustment TB1274 CXA2101TA1318 LP05 TurboGroup 500 ADC Group 10 OptionFan Control Group 510 Ntsc GakakuGroup 515 Hdtv 720p Gakaku Group 513 Hdtv 1080i-50 GakakuGroup 514 Hdtv 1035i Gakaku Group 516 Hdtv 575p GakakuTest Points and Locations Main BoardTroubleshooting Abnormality occurs on the power circuitIC801 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 sourcesVideo 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 circuitControl Port Functions System Control & I/O Port Table IC801Control 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 TP28LCleaning Cleaning with air sprayIC 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 listOUT of Circuit Board 610 292 5609 ASSY,PWB,KEY SW MS6A Assemblied Boards ME3-XU4500, PLC-XU45KEY SW Board Assemblied Boards MF3-XU4600, PLC-XU46Transistor AV Board610 299 7330 ASSY,PWB,AV MK8A Integrated CircuitNP-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-XU45MT-POLYEST 0.047U K MF3-XU4600, PLC-XU46 Transformer610 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 filterWV52-a Model PLC-XU46 Model PLC-XU45Mechanical Parts List Chassis Parts Cabinet Parts ScrewsOptical Parts Page PLC-XU45 Diagrams & Drawings Schematic DiagramsPrinted Wiring Board Drawings PLC-XU46Parts description and reading in schematic diagram Resistor ReadingCircuit Block Diagram 5VS 5VDVI 5VS3VS 5VD 9V MCIDVI Sideb Printed Wiring Board DiagramsAV Sidea DVI Sidea Temp Sidea Main SideaSidea Temp Sideb Main SidebSideb IC5211K6R Power Sidea Power SidebK6S IC671KEY SW Sideb KEY SW SideaLine Filter Sidea K6BA10 IC681 Schematic Diagrams PLC-XU45,46 A11 LeftLine Filter Baord FA7701VSchematic Diagrams PLC-XU45,46 A11 Right Ower SupplyAudio Schematic Diagrams PLC-XU45,46 A12 LeftIC6171 Schematic Diagrams PLC-XU45,46 A12 Right TA1318AFSchematic Diagrams PLC-XU45,46 A13 Left DigitalSchematic Diagrams PLC-XU45,46 A13 Right MatriAD8185ARU Schematic Diagrams PLC-XU45,46 A14 LeftCG1/CG2-SW AD8183ARUSchematic Diagrams PLC-XU45,46 A14 Right 3VS C201 TE201EIC8001 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 MemoryUniformity & Gamma Schematic Diagrams PLC-XU45,46 A17 LeftColor CorrectionShift 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
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