Sound Signal Path | Mitsubishi Electronics WD-73827, WD-52628

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

Sound Signal Path

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

Contents

Specifications Mitsubishi Digital Electronics AMERICA, INCV29 / V30 / V30+ / V31 Chassis Page Contents Schematic Diagrams Product Safety Notice IntroductionServicing use only recommended Lead-Free solder refer to Safety Precautions Leakage current check Speaker Grille & Bezel Removal Cabinet Front DisassemblyWD-52627 / WD-52628 / WD-62627 / WD-62628 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 Cd c Models Optical Engine Replacement DetailsEngine Assembly removal from the cabinet Lamp Cover Vertical Rubber GWedge Engine removal from the Base Plate AssemblyJoining e Bracket Unplug Ballast Leads Engine Installation Do not LoseAfter Replacing the Optical Engine To Install the Diamond Shield WD-62927 / WD-73927 OnlyTo 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 Test signal Circuit Adjustment ModeMeasuring equipment and Jigs Adjusting Data Resetting Data to Factory ValuesAdjustment Selection 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 Procedures Adjustment LocationsLocking Screws Vertical Keystone Adjustment Rotation AdjustmentHorizontal Keystone Adjustment After Adjustment Displays used to indicate Pb-free Pb-Free Display Replacement Chip Parts Removal Resistors, Capacitors, etcChip Parts Removal Transistors Critical and Warranty Parts Designation Parts OrderingParts Tolerance Codes Quick Reference for Common Parts Integrated Circuits Transistors Diodes Coils COIL-CHIP 10MH-K EMI-F-CHIP BLM11A601SCOIL-CHIP 33MH-J COIL-CHIP 10MH-J EMI-F-CHIP BLM11B050SA COIL-RF 10MH-K COIL-RF 22MH-KCOIL-RF 6.8MH-M COIL-RF 2.7MH-M EMI-F-CHIP NFL21SP506X13CD TransformersResistors CHIP-FILTER ACM2012D-9002P Capacitors THRM-CHIPNCP18XH103F03RBMETAL-P 3W 1K-J SW-LEVER SwitchesMiscellaneous TAPE-LENS Plate RF-SWITCH 2RF-SWITCHSWITCH-RF-TYPE Button Reset Accessories Cosmetic Parts 491P178030 SCREEN-LENTICULAR 491P178040 SCREEN-LENTICULAR598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 598D683010 Screen Bracket 623D224010 SCREEN-FRAME Spacer WD-62827 Screen Parts Figure WD-62927 Screen Parts Figure598D683010 Screen Bracket WD- 73927 Screen Parts Figure WD-73727 Screen Parts FigureWD-73827 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