Mitsubishi Electronics WS-65513 Table of Contents Introduction ... New Technologies, Power Supply

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V23 CHASSIS

TECHNICAL TRAINING AND TROUBLESHOOTING MANUAL

	TABLE of CONTENTS
Introduction ... New Technologies
Models		1
Features		2
NetCommand™ 3.0		3
Five Format Memory Card Reader		4
PerfectColor™		5
MonitorLink™		6
Service Code Chart		12
Chapter1 ...	Disassembly and Service
Disassembly Procedures		1-1
DM Replacement		1-2
PCB & Main Component Locations		1-4
Convergence Output IC Replacement		1-5
Composite Cabinet		1-6
Chapter 2 ...	Alignment Procedures
Initial Setup		2-1
Circuit Adjustment Mode		2-3
ConvergenceAdjustment Mode		2-5
Alignment Data Storage Locations		2-6
Chapter 3 ...	Power Supply
Low Energy Power Supply		3-1
Standard Standby Power Supply		3-4
Time Shift Recording Power Supply		3-2
Switched Supplies		3-7
Troubleshooting		3-8
Chapter 4 ...	Control Circuitry
Basic uPC Requirements		4-1
Reset Circuitry		4-2
Input Command Circuitry		4-3
Serial Data Lines		4-4
Parallel Input Lines		4-5
Parallel Outputs		4-7

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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 DisassemblyOption Menu Initial Setup Chapter Alignment ProceduresInitial 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 DataConvergence Mode Functions Convergence Adjustment ModeActivating the HD mode when no HD signal is available 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 SupplyStandard Standby Supplies Time Shift Recording Power SuppliesStandby Power Distribution Time Shift Supply Power Distribution Switched Supplies Regulator Flashes-Stops-Flashes-Stops-etc TroubleshootingPower Distributions If the LED does not flash Page Basic µPC Requirements Chapter Control CircuitryReset Circuitry Input Command Circuitry Page AC-OFF Input Serial Data LinesΜPC Parallel Inputs 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 Reading the Error Codes Chapter Troubleshooting TipsUsing The Front Panel LED CRT Phosphor Protection NetCommandTM Control ProblemsDM Module Check