Mitsubishi Electronics WD-62628, WD-52628, WD-73727, WD-62827, WD-62627 Digital Video Signal Path

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

Digital Video Signal Path

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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 Safety Precautions Leakage current checkCabinet Front Disassembly WD-52627 / WD-52628 / WD-62627 / WD-62628Speaker Grille & Bezel Removal SCREEN-ASSY RemovalWD-62827 Front Disassembly Front Panel Caps RemovalSIDE-TRIM Removal Bezel RemovalScreen Assy Removal WD-62927 Front Disassembly TOP, Bottom and Sides Trim Removal Front Bezel Removal Screen Assembly Removal WD-73727 / WD-73827 Front Disassembly Card Reader RemovalGRILLE-SIDE Removal WD-73927 Front Disassembly SCREEN-ASSY Removal Cabinet Rear Disassembly BACK-COVER RemovalChassis Disassembly / Accessing PWBs Chassis Sequence of DisassemblyChassis Removal from the cabinet Figure aChassis Cover Removal Figure Assy PWB- Terminal Removal FigurePWB-POWER Removal Figure Chassis Upper Shield Removal FigurePWB-MICRO Removal PWB-FORMAT & PWB=RISER Removal Referring to FiguresPWB-DM Removal Chassis Rear Shield Removal Figure PWB-DM Removal FiguresCE1 Operating Chassis Outside of CabinetPCPA1 Bolt Table Optical Engine Replacement 52 & 62 Models Optical Engine Replacement Details Ltjc52 & 62 Optical Engine Replacement Details CJ352 & 62 Optical Engine Replacement Details Spring Model’s Optical Engine Replacement ENGINE-PWR-PWBModels Optical Engine Replacement Details Engine Assembly removal from the cabinetCd c Lamp Cover VerticalEngine removal from the Base Plate Assembly Joining e BracketRubber 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 Servicing the Lenticular Screen and Fresnel Lens Lenticular Screen and Fresnel Lens RemovalLenticular Screen and Fresnel Lens Installation Option Menu LED Indicator Diagnostics InputsAbnormal LED Indications AIR Filter Cleaning Lamp Cartridge Air FilterCircuit Adjustment Mode Test signalMeasuring equipment and Jigs Resetting Data to Factory Values Adjustment SelectionAdjusting Data Terminating the circuit adjustment modeRequired Tools PrelminaryWD-52627 / 62627 / 52628 WD-62827AAdjustment Access Pedestal Cover Locking Screws and Wedge Removal 52 & 62 Side Locking ScrewAdjustment Locations Adjustment ProceduresLocking Screws Rotation Adjustment Horizontal Keystone AdjustmentVertical Keystone Adjustment After AdjustmentDisplays used to indicate Pb-free Pb-Free DisplayChip 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 Transistors DiodesCoils EMI-F-CHIP BLM11A601S COIL-CHIP 33MH-JCOIL-CHIP 10MH-K COIL-CHIP 10MH-JEMI-F-CHIP BLM11B050SA COIL-RF 22MH-K COIL-RF 6.8MH-MCOIL-RF 10MH-K COIL-RF 2.7MH-MTransformers ResistorsEMI-F-CHIP NFL21SP506X13CD CHIP-FILTER ACM2012D-9002PTHRM-CHIPNCP18XH103F03RB CapacitorsMETAL-P 3W 1K-J Switches MiscellaneousSW-LEVER TAPE-LENS2RF-SWITCH SWITCH-RF-TYPEPlate RF-SWITCH Button ResetAccessories Cosmetic Parts491P178040 SCREEN-LENTICULAR 598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer491P178030 SCREEN-LENTICULAR 598D683010 Screen Bracket 623D224010 SCREEN-FRAME SpacerWD-62927 Screen Parts Figure WD-62827 Screen Parts Figure598D683010 Screen Bracket WD-73727 Screen Parts Figure WD-73827 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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