Mitsubishi Electronics V31 CHASSIS, V30+, V29 WD-62827 Front Disassembly, Front Panel Caps Removal

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

WD-62827 Front Disassembly

FRONT PANEL CAPS Removal

Pull the FRONT PANEL CAPS from the unit.

TOP TRIM and FRONT ESCUTCHEON Removal 1) Remove screw (a) to remove the TOP

TRIM.

2) Pull off the FRONT-ESCUTCHEONS.

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Contents V29 / V30 / V30+ / V31 Chassis NTSC/ATSC/QAMVideo in Jack HdmitmPage Contents Schematic Diagrams Introduction Safety Precautions WD-52627 / WD-52628 / WD-62627 / WD-62628 Speaker Grille & Bezel RemovalSCREEN-ASSY Removal Card Reader RemovalWD-62827 Front Disassembly Front Panel Caps RemovalSIDE-TRIM Removal Bezel and Card Reader/Contol Assy. 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 PCPA1 Bolt Table Optical Engine Replacement Optical Engine Replacement Details JedviCJ3 Optical Engine Replacement Details Spring Diamond Shield Replacement Servicing the Lenticular Screen and Fresnel Lens Lenticular Screen and Fresnel Lens RemovalLenticular Screen and Fresnel Lens Installation Option Menu LED Indicator Diagnostics InputsError Codes Measuring equipment and Jigs Test signalCircuit Adjustment Mode Resetting Data to Factory Values Adjustment SelectionAdjusting Data Terminating the circuit adjustment modeRequired Tools PrelminaryAdjustment Procedures Adjustment Locations Locking Screws and Wedge RemovalRotation Adjustment Horizontal Keystone AdjustmentVertical Keystone Adjustment After AdjustmentDisplays used to indicate Pb-free Pb-Free DisplayChip Parts Removal Transistors ReplacementChip Parts Removal Resistors, Capacitors, etc Parts Tolerance Codes Critical and Warranty Parts DesignationParts Ordering Quick Reference for Common Parts IC-C-MOS TC7W66FU TR-CHIP TPCP8J01IC-C-MOS UPC3221GV IC-C-MOS 24LCS22AT/SNIC-C-MOS SN74LV125APWR IC-C-MOS SAA7115HLIC-C-MOS AK5353VT IC-C-MOS BCM7040 KQLLED LN31GPH DIODE-LE SML1216W-C,DChip HSB123 Chip HZM6.2ZWAEMI-F-CHIP BLM11A601S COIL-CHIP 33MH-JCOIL-CHIP 10MH-K COIL-CHIP 10MH-JEMI-F-CHIP BLM11B050SA COIL-RF 22MH-K COIL-RF 6.8MH-MCOIL-RF 10MH-K COIL-RF 2.7MH-MEMI-F-CHIP NFL21SP506X13CD CHIP-FILTER ACM2012D-9002PTHRM-CHIPNCP18XH103F03RB METAL-P 3W 1K-JCABLE-EXTENSION SW-LEVERTAPE-LENS 2RF-SWITCH SWITCH-RF-TYPEPlate RF-SWITCH Button ResetASSY-PWB-POWER2 Cover LAMP-ACCESSAC Power Cord ASSY-PWB-TERMINAL491P178040 SCREEN-LENTICULAR 598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer491P178030 SCREEN-LENTICULAR 598D683010 Screen Bracket 623D224010 SCREEN-FRAME Spacer598D683010 Screen Bracket WD-62827 Screen Parts FigureWD-62927 Screen Parts Figure 491P176050 SCREEN-LENTICULAR WD-73727 Screen Parts FigureWD-73827 Screen Parts Figure 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 PWB-SWLAMP