Mitsubishi Electronics WD-62927, WD-52628, WD-73727, WD-62827

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


	Signal Path	V31 Only)
	HDD Record	(V30+ and

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Mitsubishi Electronics WD-62927, WD-52628, WD-73727, WD-62827, WD-62627, WD-62628 Signal Path V31 Only HDD Record V30+

Contents

V29 / V30 / V30+ / V31 Chassis SpecificationsMitsubishi Digital Electronics AMERICA, INC Page Contents Schematic Diagrams Servicing use only recommended Lead-Free solder refer to Product Safety NoticeIntroduction Leakage current check Safety Precautions WD-52627 / WD-52628 / WD-62627 / WD-62628 Cabinet Front DisassemblySpeaker Grille & Bezel Removal SCREEN-ASSY Removal Front Panel Caps Removal WD-62827 Front Disassembly Bezel Removal SIDE-TRIM Removal Screen 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 Disassembly GRILLE-SIDE Removal WD-73927 Front Disassembly SCREEN-ASSY Removal BACK-COVER Removal Cabinet Rear Disassembly Chassis Sequence of Disassembly Chassis Disassembly / Accessing PWBs Figure a Chassis Removal from the cabinet Assy PWB- Terminal Removal Figure Chassis Cover Removal Figure Chassis Upper Shield Removal Figure PWB-POWER Removal Figure PWB-FORMAT & PWB=RISER Removal Referring to Figures PWB-MICRO Removal PWB-DM Removal Figures PWB-DM Removal Chassis Rear Shield Removal Figure Operating Chassis Outside of Cabinet CE1 PCPA1 Bolt Table Optical Engine Replacement Ltjc 52 & 62 Models Optical Engine Replacement Details CJ3 52 & 62 Optical Engine Replacement Details 52 & 62 Optical Engine Replacement Details Spring ENGINE-PWR-PWB Model’s Optical Engine Replacement Engine Assembly removal from the cabinet Models Optical Engine Replacement DetailsCd c Lamp Cover Vertical Joining e Bracket Engine removal from the Base Plate AssemblyRubber GWedge Unplug Ballast Leads After Replacing the Optical Engine Engine InstallationDo not Lose To Remove the Diamond Shield To Install the Diamond ShieldWD-62927 / WD-73927 Only Lenticular Screen and Fresnel Lens Removal Servicing the Lenticular Screen and Fresnel Lens Lenticular Screen and Fresnel Lens Installation Option Menu Inputs LED Indicator Diagnostics Abnormal LED Indications Lamp Cartridge Air Filter AIR Filter Cleaning Measuring equipment and Jigs Test signalCircuit Adjustment Mode Adjustment Selection Resetting Data to Factory ValuesAdjusting Data Terminating the circuit adjustment mode Prelminary Required Tools WD-62827A WD-52627 / 62627 / 52628 Adjustment Access Pedestal Cover 52 & 62 Side Locking Screw Locking Screws and Wedge Removal Locking Screws Adjustment ProceduresAdjustment Locations Horizontal Keystone Adjustment Rotation AdjustmentVertical Keystone Adjustment After Adjustment Pb-Free Display Displays used to indicate Pb-free Chip Parts Removal Transistors ReplacementChip Parts Removal Resistors, Capacitors, etc Parts Tolerance Codes Critical and Warranty Parts DesignationParts Ordering Quick Reference for Common Parts Integrated Circuits Diodes Transistors Coils COIL-CHIP 33MH-J EMI-F-CHIP BLM11A601SCOIL-CHIP 10MH-K COIL-CHIP 10MH-J EMI-F-CHIP BLM11B050SA COIL-RF 6.8MH-M COIL-RF 22MH-KCOIL-RF 10MH-K COIL-RF 2.7MH-M Resistors TransformersEMI-F-CHIP NFL21SP506X13CD CHIP-FILTER ACM2012D-9002P METAL-P 3W 1K-J CapacitorsTHRM-CHIPNCP18XH103F03RB Miscellaneous SwitchesSW-LEVER TAPE-LENS SWITCH-RF-TYPE 2RF-SWITCHPlate RF-SWITCH Button Reset Cosmetic Parts Accessories 598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 491P178040 SCREEN-LENTICULAR491P178030 SCREEN-LENTICULAR 598D683010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 598D683010 Screen Bracket WD-62827 Screen Parts FigureWD-62927 Screen Parts Figure 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