Mitsubishi Electronics WD-73927, WD-52628, WD-73727, WD-62827

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

Command

Input Circuitry

Serial Control Lines

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Image 79

Mitsubishi Electronics WD-73927, WD-52628, WD-73727, WD-62827, WD-62627, WD-62628 Command Input Circuitry Serial Control Lines

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 Precautions SCREEN-ASSY Removal Cabinet Front DisassemblyWD-52627 / WD-52628 / WD-62627 / WD-62628 Speaker Grille & Bezel 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 Lamp Cover Vertical Models Optical Engine Replacement DetailsEngine Assembly removal from the cabinet Cd c Unplug Ballast Leads Engine removal from the Base Plate AssemblyJoining e Bracket Rubber GWedge Do 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 Lens Lenticular Screen and Fresnel Lens Installation Option Menu Inputs LED Indicator Diagnostics Abnormal LED Indications Lamp Cartridge Air Filter AIR Filter Cleaning Circuit Adjustment Mode Test signalMeasuring equipment and Jigs Terminating the circuit adjustment mode Resetting Data to Factory ValuesAdjustment Selection Adjusting Data Prelminary Required Tools WD-62827A WD-52627 / 62627 / 52628 Adjustment Access Pedestal Cover 52 & 62 Side Locking Screw Locking Screws and Wedge Removal Adjustment Locations Adjustment ProceduresLocking Screws After Adjustment Rotation AdjustmentHorizontal Keystone Adjustment Vertical Keystone Adjustment Pb-Free Display Displays used to indicate Pb-free 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 Diodes Transistors Coils COIL-CHIP 10MH-J EMI-F-CHIP BLM11A601SCOIL-CHIP 33MH-J COIL-CHIP 10MH-K EMI-F-CHIP BLM11B050SA COIL-RF 2.7MH-M COIL-RF 22MH-KCOIL-RF 6.8MH-M COIL-RF 10MH-K CHIP-FILTER ACM2012D-9002P TransformersResistors EMI-F-CHIP NFL21SP506X13CD THRM-CHIPNCP18XH103F03RB CapacitorsMETAL-P 3W 1K-J TAPE-LENS SwitchesMiscellaneous SW-LEVER Button Reset 2RF-SWITCHSWITCH-RF-TYPE Plate RF-SWITCH Cosmetic Parts Accessories 598D683010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 491P178040 SCREEN-LENTICULAR598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 491P178030 SCREEN-LENTICULAR WD-62927 Screen Parts Figure WD-62827 Screen Parts Figure598D683010 Screen Bracket 491P176050 SCREEN-LENTICULAR WD-73727 Screen Parts FigureWD-73827 Screen Parts Figure WD- 73927 Screen Parts FigurePage 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