Mitsubishi Electronics specifications Models WD-52527 / WD-52528 / WD-62527 / WD-62528

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

Lamp, Engine & Fan Protect Circuitry

TV Guide On® Screen Block Diagram

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Image 59

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 Activating the Adjustment Mode Remote Control Operational ModesTwo Electrical Adjustments Two Mechanical AdjustmentSaving Data Adjustment SelectionAdjusting Data Terminating the circuit adjustment modeLight Engine Adjustments Counter Clockwise Rotation Needed Trapezoid Distortion AdjustmentRotation Adjustment 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 Capacitors TransformersVariable Resistors ResistorsC9A14 C9A10CER AC250V E2200P-M C9A13Miscellaneous SwitchesCosmetic Parts AccessoriesPrinted Circuit Boards WD-52528 Screen PartsRef # Part Name & Description WD-525427 WD-62527Screen 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 AC-OFF Detect Audio Supply SwitchContents Doubler CircuitTO/FROM Riser To Sensors & Fans To Ballast ContentsChassis To Shutter ControlTo DM Board Sdram Address BUSSdram Data BUS FMT Board Input BUS ControlSdram Address T883C446 MODEL/GROUP Numbers M306V7FGFP#U0SN74CBTD1G125DBVR TC7SA 08FUSN74LVC1G125DBVR SYSTEM-5 MicroSYS5 SN74HC132DBA05FP Video SwitchingR1XC R0XCTmdspgnd RsvdaDVI-1 DVI-2 TA to Signal PWB VID-SWINPUT1 COMP-1 COMP-2UPC3221GV IF+TO/FROM Interface TO/FROM Power TC7SET08F M306H2FCFPAX823MEUK To PWB-TERMINAL

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