Mitsubishi Electronics V29, V30+ WD-52627 / WD-52628 / WD-62627 / WD-62628, SCREEN-ASSY Removal

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

CABINET FRONT DISASSEMBLY

(WD-52627 / WD-52628 / WD-62627 / WD-62628)

SPEAKER GRILLE & BEZEL Removal

1)Pull the SPEAKER-GRILLE away from the cabinet to remove.

2)Pull the BEZEL from the cabinet.

SCREEN-ASSY Removal

1)Remove 10 screws (a) from the upper cabinet rear cover (3 screws on each side and 4 screws across the top).

2)Remove screws (b) along the bottom of the SCREEN-ASSY (8 screws on 52 inch models, and 10 screws on 62 inch models),

3)Unplug the LL connector to the front CONTROL-PANEL.

4)Lift the SCREEN-ASSY up slightly and then pull away from the cabinet.

CARD READER Removal

1) Remove two screws (c) securing the Card Reader.

2) Pull the Card Reader from the cabinet.

3) Disconnect the ground lead, USB and 1394 connectors to the Card Reader.

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Contents Hdmitm V29 / V30 / V30+ / V31 ChassisNTSC/ATSC/QAM Video in JackPage Contents Schematic Diagrams Introduction Safety Precautions Card Reader Removal WD-52627 / WD-52628 / WD-62627 / WD-62628Speaker Grille & Bezel Removal SCREEN-ASSY RemovalFront Panel Caps Removal WD-62827 Front DisassemblyBezel and Card Reader/Contol Assy. Removal SIDE-TRIM RemovalScreen 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 DisassemblyGRILLE-SIDE Removal WD-73927 Front Disassembly SCREEN-ASSY Removal BACK-COVER Removal Cabinet Rear DisassemblyChassis Sequence of Disassembly Chassis Disassembly / Accessing PWBsFigure a Chassis Removal from the cabinetAssy PWB- Terminal Removal Figure Chassis Cover Removal FigureChassis Upper Shield Removal Figure PWB-POWER Removal FigurePWB-FORMAT & PWB=RISER Removal Referring to Figures PWB-MICRO RemovalPWB-DM Removal Figures PWB-DM Removal Chassis Rear Shield Removal FigureCE1 PCPA1 Bolt Table Optical Engine Replacement Jedvi Optical Engine Replacement DetailsCJ3 Optical Engine Replacement Details Spring Diamond Shield Replacement Lenticular Screen and Fresnel Lens Removal Servicing the Lenticular Screen and Fresnel LensLenticular Screen and Fresnel Lens Installation Option Menu Inputs LED Indicator DiagnosticsError Codes Circuit Adjustment Mode Test signalMeasuring equipment and Jigs Terminating the circuit adjustment mode Resetting Data to Factory ValuesAdjustment Selection Adjusting DataPrelminary Required ToolsLocking Screws and Wedge Removal Adjustment Procedures Adjustment LocationsAfter Adjustment Rotation AdjustmentHorizontal Keystone Adjustment Vertical Keystone AdjustmentPb-Free Display Displays used to indicate Pb-freeChip Parts Removal Resistors, Capacitors, etc ReplacementChip Parts Removal Transistors Parts Ordering Critical and Warranty Parts DesignationParts Tolerance Codes Quick Reference for Common Parts IC-C-MOS 24LCS22AT/SN IC-C-MOS TC7W66FUTR-CHIP TPCP8J01 IC-C-MOS UPC3221GVIC-C-MOS BCM7040 KQL IC-C-MOS SN74LV125APWRIC-C-MOS SAA7115HL IC-C-MOS AK5353VTChip HZM6.2ZWA LED LN31GPHDIODE-LE SML1216W-C,D Chip HSB123COIL-CHIP 10MH-J EMI-F-CHIP BLM11A601SCOIL-CHIP 33MH-J COIL-CHIP 10MH-KEMI-F-CHIP BLM11B050SA COIL-RF 2.7MH-M COIL-RF 22MH-KCOIL-RF 6.8MH-M COIL-RF 10MH-KCHIP-FILTER ACM2012D-9002P EMI-F-CHIP NFL21SP506X13CDMETAL-P 3W 1K-J THRM-CHIPNCP18XH103F03RBTAPE-LENS SW-LEVERCABLE-EXTENSION Button Reset 2RF-SWITCHSWITCH-RF-TYPE Plate RF-SWITCHASSY-PWB-TERMINAL ASSY-PWB-POWER2Cover LAMP-ACCESS AC Power Cord598D683010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 491P178040 SCREEN-LENTICULAR598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 491P178030 SCREEN-LENTICULARWD-62927 Screen Parts Figure WD-62827 Screen Parts Figure598D683010 Screen Bracket WD-73827 Screen Parts Figure WD-73727 Screen Parts Figure491P176050 SCREEN-LENTICULAR 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