Mitsubishi Electronics V31 CHASSIS 491P178040 SCREEN-LENTICULAR, 491P178030 SCREEN-LENTICULAR

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

[#]Model Legend: (a) WD-52627, (b) WD-52628, (c) WD-62627, (d) WD-62628, (e) WD-62827, (f) WD-62927, (g) WD-73727,

(h)WD-73827, (i) WD-73927

Ref # Part #

Part Name & Description

[#]

Ref #

Part #

Part Name & Description

[#]

SCREENASSEMBLY PARTS WD-52627& WD-52628 Screen Parts (Figure 1)

(1)491P177040 LENS-FRESNEL

(2)491P178040 SCREEN-LENTICULAR

(3)623D253020 SCREEN - HOLDER

(4)	701B525030	FRAME TOP
(5)	701B534010	FRAME SIDE

(6)761A232050 SCREEN-FRAME - BOTTOM

(7)761A238050 SCREEN-FRAME - COVER-TOP

(8)768C082010 SCREEN-CAP-CORNER - LEFT

(9)768C082020 SCREEN-CAP-CORNER - RIGHT

(11)623D209010 SCREEN - SHEET - BOTTOM

(12)704B238010 FRAME-TRIM - BTM LEFT

(13)704B238020 FRAME-TRIM - BTM RIGHT

598D822010 SCREEN - BRACKET

623D224010 SCREEN-FRAME - SPACER

WD-62627& WD-62628Screen Parts (Figure 1)

(1)491P177030 LENS-FRESNEL

(2)491P178030 SCREEN-LENTICULAR

(3)623D253010 SCREEN - HOLDER

(4)	701B525040	FRAME TOP
(5)	701B534020	FRAME SIDE

(6)761A242050 SCREEN - FRAME - BOTTOM

(7)761A244050 SCREEN-FRAME - COVER-TOP

(8)768C082010 SCREEN-CAP-CORNER - LEFT

(9)768C082020 SCREEN-CAP-CORNER - RIGHT

(11)623D209020 SCREEN-SHEET - BOTTOM

(14)704B217010 FRAME-TRIM - BTM LEFT

(15)704B217020 FRAME-TRIM - BTM RIGHT

598D683010 SCREEN - BRACKET

623D224010 SCREEN-FRAME - SPACER

Figure 1

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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 Test signal Circuit Adjustment ModeMeasuring equipment and Jigs 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 DisplayReplacement Chip Parts Removal Resistors, Capacitors, etcChip Parts Removal Transistors Critical and Warranty Parts Designation Parts OrderingParts Tolerance Codes 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-JSW-LEVER TAPE-LENSCABLE-EXTENSION 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 SpacerWD-62827 Screen Parts Figure WD-62927 Screen Parts Figure598D683010 Screen Bracket WD-73727 Screen Parts Figure WD-73827 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