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

Page 78

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

Sound Signal Path

Page 77

Image 78

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 checkSpeaker Grille & Bezel Removal Cabinet Front DisassemblyWD-52627 / WD-52628 / WD-62627 / WD-62628 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-PWBCd c Models Optical Engine Replacement DetailsEngine Assembly removal from the cabinet Lamp Cover VerticalRubber GWedge Engine removal from the Base Plate AssemblyJoining e Bracket Unplug Ballast LeadsEngine 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 RemovalLenticular Screen and Fresnel Lens Installation Option Menu LED Indicator Diagnostics InputsAbnormal LED Indications AIR Filter Cleaning Lamp Cartridge Air FilterTest signal Circuit Adjustment ModeMeasuring equipment and Jigs Adjusting Data Resetting Data to Factory ValuesAdjustment Selection 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 Procedures Adjustment LocationsLocking Screws Vertical Keystone Adjustment Rotation AdjustmentHorizontal Keystone Adjustment After AdjustmentDisplays used to indicate Pb-free Pb-Free DisplayReplacement 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 DiodesCoils COIL-CHIP 10MH-K EMI-F-CHIP BLM11A601SCOIL-CHIP 33MH-J COIL-CHIP 10MH-JEMI-F-CHIP BLM11B050SA COIL-RF 10MH-K COIL-RF 22MH-KCOIL-RF 6.8MH-M COIL-RF 2.7MH-MEMI-F-CHIP NFL21SP506X13CD TransformersResistors CHIP-FILTER ACM2012D-9002PCapacitors THRM-CHIPNCP18XH103F03RBMETAL-P 3W 1K-J SW-LEVER SwitchesMiscellaneous TAPE-LENSPlate RF-SWITCH 2RF-SWITCHSWITCH-RF-TYPE Button ResetAccessories Cosmetic Parts491P178030 SCREEN-LENTICULAR 491P178040 SCREEN-LENTICULAR598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 598D683010 Screen Bracket 623D224010 SCREEN-FRAME SpacerWD-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

Related manuals

Manual 124 pages 10.19 Kb

Manual 118 pages 1.3 Kb

Manual 128 pages 42.7 Kb