Analog Video Signal Path | Mitsubishi Electronics WD-62527 guide

MODELS: WD-52527 / WD-52528 / WD-62527 / WD-62528

Analog Video Signal Path

NOTE: COMP-3 Inputs on V28+ Only

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Mitsubishi Electronics WD-62527, WD-62528, WD-52528 specifications Analog Video Signal Path

Contents

2005 Page Contents Model WD-52527 / WD-52528 / WD-62527 / WD-62528 Characteristics Servicing use only recommended Lead-Free solder refer to Safety Precautions Speaker Grille Removal SCREEN-ASSY Removal BACK-COVER Removal Metal Support Plate Removal Release Cable Clamps & Disconnect CE Connector Chassis Mounting Screws RemovalClamp On the right side of the chassis from the rear AC CordChassis removal from the Cabinet Complete Chassis Removal J8F01FC Chassis Sequence of Disassembly Chassis Cover Removal 1 Remove the 4 screws a Assy PWB- Terminal Removal Figure PWB-POWER Removal Figure Chassis Upper Shield Removal Figure Chassis Rear Shield Removal Figure PWB-MICRO Removal Referring to Figure PWB-RISER and PWB-FORMAT Removal Referring to Figure PWB-DM Removal Figure Light Engine Replacement Light Engine and Associated Components Light Engine Removal Procedure Light Engine Rear ViewPreliminary Remove two screws c from Fan Plate and remove Model WD-52527 / WD-52528 / WD-62527 / WD-62528 Installation Servicing the Lenticular Screen and Fresnel Lens Lenticular Screen and Fresnel Lens Removal Bezel Removal Front View Lenticular Screen and Fresnel Lens Installation Installing the Fresnel Lens & Lenticular Screen Option Menu AV Reset Defaults LED Indicator Diagnostics Error Codes Two Mechanical Adjustment Remote Control Operational ModesTwo Electrical Adjustments Activating the Adjustment Mode Terminating the circuit adjustment mode Adjustment SelectionAdjusting Data Saving Data Light Engine Adjustments Clockwise Rotation Needed Trapezoid Distortion AdjustmentRotation Adjustment Counter Clockwise Rotation Needed Format Circuit Horizontal/Vertical Position Adjust- ment Micro / Terminal PWB Troubleshooting Power PWB Troubleshooting LCD Engine Internal Layout Lamp Protect Line Pb Solder 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 Integrated Circuits Ref # Part Name & Description Transistors Diodes Coils Chip UDZS3.9B CORE-FERRITE ZBF503D-01 L9D00 L9D02L9D06 Resistors TransformersVariable Resistors Capacitors C9A13 C9A10CER AC250V E2200P-M C9A14 Switches Miscellaneous Accessories Printed Circuit BoardsCosmetic Parts WD-62527 Screen PartsRef # Part Name & Description WD-525427 WD-52528 Screen Assembly Exploded View Models WD-52527 / WD-52528 / WD-62527 / WD-62528 Lamp Ballast DC Supply Fans Power Supply Analog Video Signal Path Digital Video Signal Path Sound Signal Path Command Input Circuitry Serial Control Lines Lamp Control Circuitry Shutter Control Models WD-52527 / WD-52528 / WD-62527 / WD-62528 Models WD-52527 / WD-52528 / WD-62527 / WD-62528 PWB-DM Doubler Circuit Audio Supply SwitchContents AC-OFF Detect To Shutter Control To Sensors & Fans To Ballast ContentsChassis TO/FROM Riser FMT Board Input BUS Control Sdram Address BUSSdram Data BUS To DM Board Sdram Address TC7SA 08FU M306V7FGFP#U0SN74CBTD1G125DBVR T883C446 MODEL/GROUP Numbers SN74HC132DB SYSTEM-5 MicroSYS5 SN74LVC1G125DBVR Video Switching A05FP Rsvda R0XCTmdspgnd R1XC COMP-1 COMP-2 TA to Signal PWB VID-SWINPUT1 DVI-1 DVI-2 IF+ UPC3221GV TO/FROM Interface TO/FROM Power M306H2FCFP AX823MEUKTC7SET08F To PWB-TERMINAL