Mitsubishi Electronics WD-62927, WD-52628, WD-73727 Measuring equipment and Jigs, Test signal

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

Remote Control Operational Modes

There are two Remote Hand Unit Operational Modes, “Standard” and “NetCommandTM”. The Remote is initially in the “Standard” mode. The “NetCommandTM” mode is used when controlling Home Theater devices using NetCommandTM. To change the Remote Operational Mode:

Set the Remote to the TV Layer

Point the Remote away from the TV.

To change to “NetcommandTM” ... Hold the “Power” button and press “9-3-5” in sequence.

To change to “Standard” ... Hold the “Power” button and press “0-0-0” in sequence.

SERVICE ADJUSTMENTS

There are only 5 Service Adjustments required in these models:

Two Electrical Adjustments

• Horizontal Centering

• Vertical Centering

Three Mechanical Adjustment

• Picture Rotation

• Horizontal Keystone Distortion

• Vertical Keystone Distortion

Measuring equipment and Jigs

• No additional Test Equipment is required.

• Conventional Electrical Hand Tools.

Test signal

An internally generated Test Signal is used, no additional external signals are required.

Circuit Adjustment Mode

On these models, the Circuit Adjustment Mode is used only for:

Test Signal activation

Horizontal Centering

Vertical Centering

These adjustments may only be performed using the remote hand unit.

1. Activating the adjustment mode

1.Press the “MENU” button on a remote hand unit. (The “MENU” display will appear.)

2. Press the buttons “2”, “4”, “5” and “7” in that order.

 

(The screen will change to the adjustment mode.)

 

If not changed to the adjustment mode, repeat steps

1 and 2.

2. Test Signal Activation

When in the Circuit Adjustment mode, press “REWIND” on the remote control to activate the test pattern. This pattern is used for both electrical and mechanical adjustments.

3. Adjustment Function Selection

Use the “AUDIO” button to select a specific Adjustment Function.

Doubler

Functions

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Contents Specifications Mitsubishi Digital Electronics AMERICA, INCV29 / V30 / V30+ / V31 Chassis Page Contents Schematic Diagrams Product Safety Notice IntroductionServicing use only recommended Lead-Free solder refer to Leakage current check Safety PrecautionsWD-52627 / WD-52628 / WD-62627 / WD-62628 Cabinet Front DisassemblySpeaker Grille & Bezel Removal SCREEN-ASSY RemovalFront Panel Caps Removal WD-62827 Front DisassemblyBezel 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 FigureOperating Chassis Outside of Cabinet CE1PCPA1 Bolt Table Optical Engine Replacement Ltjc 52 & 62 Models Optical Engine Replacement DetailsCJ3 52 & 62 Optical Engine Replacement Details52 & 62 Optical Engine Replacement Details Spring ENGINE-PWR-PWB Model’s Optical Engine ReplacementEngine Assembly removal from the cabinet Models Optical Engine Replacement DetailsCd c Lamp Cover VerticalJoining e Bracket Engine removal from the Base Plate AssemblyRubber GWedge Unplug Ballast LeadsEngine Installation Do not LoseAfter Replacing the Optical Engine To Install the Diamond Shield WD-62927 / WD-73927 OnlyTo Remove the Diamond Shield Lenticular Screen and Fresnel Lens Removal Servicing the Lenticular Screen and Fresnel LensLenticular Screen and Fresnel Lens Installation Option Menu Inputs LED Indicator DiagnosticsAbnormal LED Indications Lamp Cartridge Air Filter AIR Filter CleaningTest signal Circuit Adjustment ModeMeasuring equipment and Jigs Adjustment Selection Resetting Data to Factory ValuesAdjusting Data Terminating the circuit adjustment modePrelminary Required ToolsWD-62827A WD-52627 / 62627 / 52628Adjustment Access Pedestal Cover 52 & 62 Side Locking Screw Locking Screws and Wedge RemovalAdjustment Procedures Adjustment LocationsLocking Screws Horizontal Keystone Adjustment Rotation AdjustmentVertical Keystone Adjustment After AdjustmentPb-Free Display Displays used to indicate Pb-freeReplacement 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 Diodes TransistorsCoils COIL-CHIP 33MH-J EMI-F-CHIP BLM11A601SCOIL-CHIP 10MH-K COIL-CHIP 10MH-JEMI-F-CHIP BLM11B050SA COIL-RF 6.8MH-M COIL-RF 22MH-KCOIL-RF 10MH-K COIL-RF 2.7MH-MResistors TransformersEMI-F-CHIP NFL21SP506X13CD CHIP-FILTER ACM2012D-9002PCapacitors THRM-CHIPNCP18XH103F03RBMETAL-P 3W 1K-J Miscellaneous SwitchesSW-LEVER TAPE-LENSSWITCH-RF-TYPE 2RF-SWITCHPlate RF-SWITCH Button ResetCosmetic Parts Accessories598D822010 Screen Bracket 623D224010 SCREEN-FRAME Spacer 491P178040 SCREEN-LENTICULAR491P178030 SCREEN-LENTICULAR 598D683010 Screen Bracket 623D224010 SCREEN-FRAME SpacerWD-62827 Screen Parts Figure WD-62927 Screen Parts Figure598D683010 Screen Bracket WD-73827 Screen Parts Figure WD-73727 Screen Parts FigureWD- 73927 Screen Parts Figure 491P176050 SCREEN-LENTICULARPage 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 IC3J01 PWB-SWLAMP
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