Analog Video Signal Path | Mitsubishi Electronics V30, V31 CHASSIS

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

Analog Video Signal Path

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Mitsubishi Electronics V31 CHASSIS, V30+, V29 specifications Analog Video Signal Path

Contents

Video in Jack V29 / V30 / V30+ / V31 ChassisNTSC/ATSC/QAM HdmitmPage Contents Schematic Diagrams Introduction Safety Precautions SCREEN-ASSY Removal WD-52627 / WD-52628 / WD-62627 / WD-62628Speaker Grille & Bezel Removal Card Reader Removal WD-62827 Front Disassembly Front Panel Caps Removal SIDE-TRIM Removal Bezel and Card Reader/Contol Assy. 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 PCPA1 Bolt Table Optical Engine Replacement Optical Engine Replacement Details Jedvi CJ3 Optical Engine Replacement Details Spring Diamond Shield Replacement 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 Error Codes Test signal Circuit Adjustment ModeMeasuring equipment and Jigs Adjusting Data Resetting Data to Factory ValuesAdjustment Selection Terminating the circuit adjustment mode Required Tools Prelminary Adjustment Procedures Adjustment Locations Locking Screws and Wedge Removal 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 IC-C-MOS UPC3221GV IC-C-MOS TC7W66FUTR-CHIP TPCP8J01 IC-C-MOS 24LCS22AT/SN IC-C-MOS AK5353VT IC-C-MOS SN74LV125APWRIC-C-MOS SAA7115HL IC-C-MOS BCM7040 KQL Chip HSB123 LED LN31GPHDIODE-LE SML1216W-C,D Chip HZM6.2ZWA 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 CHIP-FILTER ACM2012D-9002P THRM-CHIPNCP18XH103F03RB METAL-P 3W 1K-J SW-LEVER TAPE-LENSCABLE-EXTENSION Plate RF-SWITCH 2RF-SWITCHSWITCH-RF-TYPE Button Reset AC Power Cord ASSY-PWB-POWER2Cover LAMP-ACCESS ASSY-PWB-TERMINAL 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-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