Mitsubishi Electronics WD-73727, WD-52628, WD-62827 Lamp Ballast DC Supply Fans Power Supply

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MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927

Lamp Ballast DC Supply

Fans Power Supply

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Contents Mitsubishi Digital Electronics AMERICA, INC SpecificationsV29 / V30 / V30+ / V31 Chassis Page Contents Schematic Diagrams Introduction Product Safety NoticeServicing use only recommended Lead-Free solder refer to Leakage current check Safety PrecautionsWD-52627 / WD-52628 / WD-62627 / WD-62628 Cabinet Front DisassemblySpeaker Grille & Bezel Removal SCREEN-ASSY RemovalFront Panel Caps Removal WD-62827 Front DisassemblyBezel Removal SIDE-TRIM RemovalScreen Assy Removal WD-62927 Front Disassembly TOP, Bottom and Sides Trim Removal Front Bezel Removal Screen Assembly Removal Card Reader Removal WD-73727 / WD-73827 Front DisassemblyGRILLE-SIDE Removal WD-73927 Front Disassembly SCREEN-ASSY Removal BACK-COVER Removal Cabinet Rear DisassemblyChassis Sequence of Disassembly Chassis Disassembly / Accessing PWBsFigure a Chassis Removal from the cabinetAssy PWB- Terminal Removal Figure Chassis Cover Removal FigureChassis Upper Shield Removal Figure PWB-POWER Removal FigurePWB-FORMAT & PWB=RISER Removal Referring to Figures PWB-MICRO RemovalPWB-DM Removal Figures PWB-DM Removal Chassis Rear Shield Removal FigureOperating Chassis Outside of Cabinet CE1PCPA1 Bolt Table Optical Engine Replacement Ltjc 52 & 62 Models Optical Engine Replacement DetailsCJ3 52 & 62 Optical Engine Replacement Details52 & 62 Optical Engine Replacement Details Spring ENGINE-PWR-PWB Model’s Optical Engine ReplacementEngine Assembly removal from the cabinet Models Optical Engine Replacement DetailsCd c Lamp Cover VerticalJoining e Bracket Engine removal from the Base Plate AssemblyRubber GWedge Unplug Ballast LeadsDo not Lose Engine InstallationAfter Replacing the Optical Engine WD-62927 / WD-73927 Only To Install the Diamond ShieldTo Remove the Diamond Shield Lenticular Screen and Fresnel Lens Removal Servicing the Lenticular Screen and Fresnel LensLenticular Screen and Fresnel Lens Installation Option Menu Inputs LED Indicator DiagnosticsAbnormal LED Indications Lamp Cartridge Air Filter AIR Filter CleaningCircuit Adjustment Mode Test signalMeasuring equipment and Jigs Adjustment Selection Resetting Data to Factory ValuesAdjusting Data Terminating the circuit adjustment modePrelminary Required ToolsWD-62827A WD-52627 / 62627 / 52628Adjustment Access Pedestal Cover 52 & 62 Side Locking Screw Locking Screws and Wedge RemovalAdjustment Locations Adjustment ProceduresLocking Screws Horizontal Keystone Adjustment Rotation AdjustmentVertical Keystone Adjustment After AdjustmentPb-Free Display Displays used to indicate Pb-freeChip Parts Removal Resistors, Capacitors, etc ReplacementChip Parts Removal Transistors Parts Ordering Critical and Warranty Parts DesignationParts Tolerance Codes Quick Reference for Common Parts Integrated Circuits Diodes TransistorsCoils COIL-CHIP 33MH-J EMI-F-CHIP BLM11A601SCOIL-CHIP 10MH-K COIL-CHIP 10MH-JEMI-F-CHIP BLM11B050SA COIL-RF 6.8MH-M COIL-RF 22MH-KCOIL-RF 10MH-K COIL-RF 2.7MH-MResistors TransformersEMI-F-CHIP NFL21SP506X13CD CHIP-FILTER ACM2012D-9002PTHRM-CHIPNCP18XH103F03RB CapacitorsMETAL-P 3W 1K-J Miscellaneous SwitchesSW-LEVER TAPE-LENSSWITCH-RF-TYPE 2RF-SWITCHPlate RF-SWITCH Button ResetCosmetic Parts Accessories598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 491P178040 SCREEN-LENTICULAR491P178030 SCREEN-LENTICULAR 598D683010 Screen Bracket 623D224010 SCREEN-FRAME SpacerWD-62927 Screen Parts Figure WD-62827 Screen Parts Figure598D683010 Screen Bracket WD-73827 Screen Parts Figure WD-73727 Screen Parts FigureWD- 73927 Screen Parts Figure 491P176050 SCREEN-LENTICULARPage Main Power Supply Lamp Ballast DC Supply Fans Power Supply Page Analog Video Signal Path Digital Video Signal Path Signal Path V31 Only HDD Record V30+ Sound Signal Path Command Input Circuitry Serial Control Lines Lamp Control Circuitry Page Reader Live To Shutter Control IC3J01 PWB-SWLAMP

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