Mitsubishi Electronics WD-52528, WD-62527, WD-62528 Lamp Ballast DC Supply Fans Power Supply

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MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528

Lamp Ballast DC Supply

Fans Power Supply

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Image 53

Contents 2005 Page Contents Model WD-52527 / WD-52528 / WD-62527 / WD-62528 Servicing use only recommended Lead-Free solder refer to CharacteristicsSafety Precautions SCREEN-ASSY Removal Speaker Grille RemovalMetal Support Plate Removal BACK-COVER RemovalClamp Release Cable Clamps & Disconnect CE ConnectorChassis Mounting Screws Removal Chassis removal from the Cabinet On the right side of the chassis from the rearAC Cord J8F01FC Complete Chassis RemovalChassis Sequence of Disassembly Assy PWB- Terminal Removal Figure Chassis Cover Removal 1 Remove the 4 screws aChassis Upper Shield Removal Figure PWB-POWER Removal FigurePWB-MICRO Removal Referring to Figure Chassis Rear Shield Removal FigurePWB-DM Removal Figure PWB-RISER and PWB-FORMAT Removal Referring to FigureLight Engine and Associated Components Light Engine ReplacementPreliminary Light Engine Removal ProcedureLight Engine Rear View Remove two screws c from Fan Plate and remove Model WD-52527 / WD-52528 / WD-62527 / WD-62528 Installation Lenticular Screen and Fresnel Lens Removal Servicing the Lenticular Screen and Fresnel LensBezel Removal Front View Installing the Fresnel Lens & Lenticular Screen Lenticular Screen and Fresnel Lens InstallationOption Menu LED Indicator Diagnostics AV Reset DefaultsError Codes Two Electrical Adjustments Remote Control Operational ModesTwo Mechanical Adjustment Activating the Adjustment ModeAdjusting Data Adjustment SelectionTerminating the circuit adjustment mode Saving DataLight Engine Adjustments Rotation Adjustment Trapezoid Distortion AdjustmentClockwise Rotation Needed Counter Clockwise Rotation NeededFormat Circuit Horizontal/Vertical Position Adjust- ment Micro / Terminal PWB Troubleshooting Power PWB Troubleshooting LCD Engine Internal Layout Lamp Protect Line Pb-Free Display Pb SolderChip Parts Removal Transistors ReplacementChip Parts Removal Resistors, Capacitors, etc Parts Tolerance Codes Critical and Warranty Parts DesignationParts Ordering Quick Reference for Common Parts Ref # Part Name & Description Integrated CircuitsDiodes TransistorsChip UDZS3.9B CoilsCORE-FERRITE ZBF503D-01 L9D06 L9D00L9D02 Variable Resistors TransformersResistors CapacitorsCER AC250V E2200P-M C9A10C9A13 C9A14Miscellaneous SwitchesCosmetic Parts AccessoriesPrinted Circuit Boards Ref # Part Name & Description WD-525427 Screen PartsWD-62527 WD-52528Screen Assembly Exploded View Models WD-52527 / WD-52528 / WD-62527 / WD-62528 Lamp Ballast DC Supply Fans Power Supply Analog Video Signal Path Digital Video Signal Path Sound Signal Path Command Input Circuitry Serial Control Lines Lamp Control Circuitry Shutter Control Models WD-52527 / WD-52528 / WD-62527 / WD-62528 Models WD-52527 / WD-52528 / WD-62527 / WD-62528 PWB-DM Contents Audio Supply SwitchDoubler Circuit AC-OFF DetectChassis To Sensors & Fans To Ballast ContentsTo Shutter Control TO/FROM RiserSdram Data BUS Sdram Address BUSFMT Board Input BUS Control To DM BoardSdram Address SN74CBTD1G125DBVR M306V7FGFP#U0TC7SA 08FU T883C446 MODEL/GROUP NumbersSYS5 SYSTEM-5 MicroSN74HC132DB SN74LVC1G125DBVRA05FP Video SwitchingTmdspgnd R0XCRsvda R1XCINPUT1 TA to Signal PWB VID-SWCOMP-1 COMP-2 DVI-1 DVI-2UPC3221GV IF+TO/FROM Interface TO/FROM Power TC7SET08F M306H2FCFPAX823MEUK To PWB-TERMINAL

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