Manuals / Mitsubishi Electronics / TV and Video / Projection Television

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

Models: WD-73927 WD-62628 WD-73727 WD-73827 WD-52628 WD-62927 WD-62627 WD-62827

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

Digital Video Signal Path

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Mitsubishi Electronics WD-62628, WD-52628, WD-73727, WD-62827, WD-62627, WD-62927, WD-73827, WD-73927 Digital Video Signal Path

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 check Cabinet Front Disassembly WD-52627 / WD-52628 / WD-62627 / WD-62628Speaker Grille & Bezel Removal SCREEN-ASSY Removal WD-62827 Front Disassembly Front Panel Caps Removal SIDE-TRIM Removal Bezel Removal Screen 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 Removal GRILLE-SIDE Removal WD-73927 Front Disassembly SCREEN-ASSY Removal Cabinet Rear Disassembly BACK-COVER Removal Chassis Disassembly / Accessing PWBs Chassis Sequence of Disassembly Chassis Removal from the cabinet Figure a Chassis Cover Removal Figure Assy PWB- Terminal Removal Figure PWB-POWER Removal Figure Chassis Upper Shield Removal Figure PWB-MICRO Removal PWB-FORMAT & PWB=RISER Removal Referring to Figures PWB-DM Removal Chassis Rear Shield Removal Figure PWB-DM Removal Figures CE1 Operating Chassis Outside of Cabinet PCPA1 Bolt Table Optical Engine Replacement 52 & 62 Models Optical Engine Replacement Details Ltjc 52 & 62 Optical Engine Replacement Details CJ3 52 & 62 Optical Engine Replacement Details Spring Model’s Optical Engine Replacement ENGINE-PWR-PWB Models Optical Engine Replacement Details Engine Assembly removal from the cabinetCd c Lamp Cover Vertical Engine removal from the Base Plate Assembly Joining e BracketRubber GWedge Unplug Ballast Leads Do 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 Removal Lenticular Screen and Fresnel Lens Installation Option Menu LED Indicator Diagnostics Inputs Abnormal LED Indications AIR Filter Cleaning Lamp Cartridge Air Filter Circuit Adjustment Mode Test signalMeasuring equipment and Jigs Resetting Data to Factory Values Adjustment SelectionAdjusting Data Terminating the circuit adjustment mode Required Tools Prelminary WD-52627 / 62627 / 52628 WD-62827A Adjustment Access Pedestal Cover Locking Screws and Wedge Removal 52 & 62 Side Locking Screw Adjustment Locations Adjustment ProceduresLocking Screws Rotation Adjustment Horizontal Keystone AdjustmentVertical Keystone Adjustment After Adjustment Displays used to indicate Pb-free Pb-Free Display Chip 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 Diodes Coils EMI-F-CHIP BLM11A601S COIL-CHIP 33MH-JCOIL-CHIP 10MH-K COIL-CHIP 10MH-J EMI-F-CHIP BLM11B050SA COIL-RF 22MH-K COIL-RF 6.8MH-MCOIL-RF 10MH-K COIL-RF 2.7MH-M Transformers ResistorsEMI-F-CHIP NFL21SP506X13CD CHIP-FILTER ACM2012D-9002P THRM-CHIPNCP18XH103F03RB CapacitorsMETAL-P 3W 1K-J Switches MiscellaneousSW-LEVER TAPE-LENS 2RF-SWITCH SWITCH-RF-TYPEPlate RF-SWITCH Button Reset Accessories Cosmetic Parts 491P178040 SCREEN-LENTICULAR 598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer491P178030 SCREEN-LENTICULAR 598D683010 Screen Bracket 623D224010 SCREEN-FRAME Spacer WD-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