Mitsubishi Electronics WS-48613, WS-65513, WS-48513, WS-55513 manual V23

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T ECHNICAL

RAINING

2003

Projection Television

Technical Training &

Troubleshooting Manual

V23

	V23	V23+	V23++	V23+++
	V23	V23+	V23++	V23+++
	WS-48513	WS-48613	WS-65713	WS-55813
	WS-55513	WS-55613	WS-73713	WS-65813
	WS-65513	WS-65613
	WS-73513

MITSUBISHI ELECTRIC

MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC.

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Contents V23 Page 2003 Page Disassembly and Service Table of Contents Introduction ... New TechnologiesAlignment Procedures Power SupplyVideo/Color Circuitry Troubleshooting TipsSync, Deflection and High Voltage Convergence CircuitryIntroduction FeaturesFeatures NetCommand Icons NetCommandButton Function Format Memory Card ReaderCompatibility PerfectColorDigital Visual Interface DVI MonitorLinkAcronyms Transition Minimized Differential Signaling TmdsDisplay Data Channel DDC Single-Link TmdsHot Plug Detect HPD High-bandwidth Digital Content Protection HdcpDVI Input Block Diagram MonitorLink DVI ConnectorV23 Chassis DVI Input Block Diagram Service Menu Access Codes Lightbox Chapter Disassembly and ServiceMain Chassis Removal DM ReplacementMain Chassis Removal PCB Locations PCB & Major Component Locations Convergence IC ReplacementV23+++ Composite Cabinet Back V23+++ Cabinet Front DisassemblyInitial Setup Chapter Alignment ProceduresOption Menu Initial Setup Main Menu Default Settings Activating the Circuit Adjustment Mode Circuit Adjustment ModeTerminating the Circuit Adjustment Mode Selection of adjustment Functions Adjustment ItemsNEW FEATURE… Service Mode Reset Saving Adjustment DataActivating the HD mode when no HD signal is available Convergence Adjustment ModeConvergence Mode Functions Alignment Data Storage Locations Fine Convergence ModeLow Energy Mode Chapter Power SupplyLow Energy Mode Activation Low Energy Standby RegulatorRegulation User Setup MenuLow Energy Power Distribution Start-up Standard Standby SupplyStandby Power Distribution Time Shift Recording Power SuppliesStandard Standby Supplies Time Shift Supply Power Distribution Switched Supplies Regulator Power Distributions TroubleshootingFlashes-Stops-Flashes-Stops-etc If the LED does not flash Page Basic µPC Requirements Chapter Control CircuitryReset Circuitry Input Command Circuitry Page ΜPC Parallel Inputs Serial Data LinesAC-OFF Input RAY Protect Short DetectBWC Band Width Control Parallel OutputsFlash Circuit Chapter Video/Color Circuitry PCB-TERMINAL Video Path PCB-SIGNAL Video Path CRT Drive & Protect Circuitry Digital Signal Path Monitor Out Circuit Chapter Sync, Deflection & High Voltage VGA Sync Signal PathPage Page Horizontal Deflection Vertical DeflectionHorizontal Deflection DC Supply Circuitry Deflection Loss Detection HV & HV Regulation Ray Protect Page Chapter Convergence Circuitry Convergence Circuitry Overall Block DiagramConvergence Waveform Generator & D/A Converter Waveform Generator & D/A ConverterLow Pass Filter and Summing Amplifiers LPF & Summing AmpsConvergence Output Circuitry Convergence Output CircuitryDTV DVI VGA Chapter Sound CircuitryOverall Sound Circuitry Block Diagram Digital Audio Output Overall Sound Signal PathPage Using The Front Panel LED Chapter Troubleshooting TipsReading the Error Codes DM Module Check NetCommandTM Control ProblemsCRT Phosphor Protection