Sound Signal Path | Mitsubishi Electronics V30+, V31 CHASSIS, V29

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

Sound Signal Path

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Mitsubishi Electronics V30+, V31 CHASSIS, V29 specifications Sound Signal Path

Contents

NTSC/ATSC/QAM V29 / V30 / V30+ / V31 ChassisVideo in Jack HdmitmPage Contents Schematic Diagrams Introduction Safety Precautions Speaker Grille & Bezel Removal WD-52627 / WD-52628 / WD-62627 / WD-62628SCREEN-ASSY Removal Card Reader Removal Front Panel Caps Removal WD-62827 Front Disassembly Bezel and Card Reader/Contol Assy. Removal SIDE-TRIM Removal Screen 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 Disassembly GRILLE-SIDE Removal WD-73927 Front Disassembly SCREEN-ASSY Removal BACK-COVER Removal Cabinet Rear Disassembly Chassis Sequence of Disassembly Chassis Disassembly / Accessing PWBs Figure a Chassis Removal from the cabinet Assy PWB- Terminal Removal Figure Chassis Cover Removal Figure Chassis Upper Shield Removal Figure PWB-POWER Removal Figure PWB-FORMAT & PWB=RISER Removal Referring to Figures PWB-MICRO Removal PWB-DM Removal Figures PWB-DM Removal Chassis Rear Shield Removal Figure CE1 PCPA1 Bolt Table Optical Engine Replacement Jedvi Optical Engine Replacement Details CJ3 Optical Engine Replacement Details Spring Diamond Shield Replacement Lenticular Screen and Fresnel Lens Removal Servicing the Lenticular Screen and Fresnel Lens Lenticular Screen and Fresnel Lens Installation Option Menu Inputs LED Indicator Diagnostics Error Codes Test signal Circuit Adjustment ModeMeasuring equipment and Jigs Adjustment Selection Resetting Data to Factory ValuesAdjusting Data Terminating the circuit adjustment mode Prelminary Required Tools Locking Screws and Wedge Removal Adjustment Procedures Adjustment Locations Horizontal Keystone Adjustment Rotation AdjustmentVertical Keystone Adjustment After Adjustment Pb-Free Display Displays used to indicate Pb-free Replacement Chip Parts Removal Resistors, Capacitors, etcChip Parts Removal Transistors Critical and Warranty Parts Designation Parts OrderingParts Tolerance Codes Quick Reference for Common Parts TR-CHIP TPCP8J01 IC-C-MOS TC7W66FUIC-C-MOS UPC3221GV IC-C-MOS 24LCS22AT/SN IC-C-MOS SAA7115HL IC-C-MOS SN74LV125APWRIC-C-MOS AK5353VT IC-C-MOS BCM7040 KQL DIODE-LE SML1216W-C,D LED LN31GPHChip HSB123 Chip HZM6.2ZWA COIL-CHIP 33MH-J EMI-F-CHIP BLM11A601SCOIL-CHIP 10MH-K COIL-CHIP 10MH-J EMI-F-CHIP BLM11B050SA COIL-RF 6.8MH-M COIL-RF 22MH-KCOIL-RF 10MH-K COIL-RF 2.7MH-M CHIP-FILTER ACM2012D-9002P EMI-F-CHIP NFL21SP506X13CD METAL-P 3W 1K-J THRM-CHIPNCP18XH103F03RB SW-LEVER TAPE-LENSCABLE-EXTENSION SWITCH-RF-TYPE 2RF-SWITCHPlate RF-SWITCH Button Reset Cover LAMP-ACCESS ASSY-PWB-POWER2AC Power Cord ASSY-PWB-TERMINAL 598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 491P178040 SCREEN-LENTICULAR491P178030 SCREEN-LENTICULAR 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