Mitsubishi Electronics VS-60609 service manual Electrical Adjustments, Test Equipment, Test Signal

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MODELS: VS-45609 / VS-50609 / VS-55609 / VS-60609 / VS-60719 / VS-70709

ELECTRICAL ADJUSTMENTS

Note: Perform only the adjustments required.

Do not attempt an alignment if proper equipment is not available.

1.Test Equipment

•Oscilloscope (Unless otherwise specified, use 10:1 probes)

•Signal Generator

•Frequency Counter

•Direct Current Voltmeter Direct Current Power Supply

•Multiplex Audio Signal Generator

•Direct Current Ampere Meter

2.Test Signal

A. Monoscope Signal

Note: If you do not have

a monoscope signal source, connect the unit to a VCR and play a Monoscope *alignment tape.

(* Part Number: 859C568060)

B. Color Bar Signal

Use the color bar signal shown below, unless otherwise specified in this manual.

Monoscope Signal

100%

75%

40%

40%

1H

Split-Field Color Bars (100% window)

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Contents Mitsubishi Digital Electronics AMERICA, INC VZ9Models Page Contents Service Parts List Circuitry Block Diagrams Chip Parts Replacement Replacement PartsIntroduction Product Safety NoticeLeakage current check Safety PrecautionsRadiation warning Refer to Parts List for Part Numbers Cabinet Disassembly Front ViewFront Cabinet Disassembly Rear Cabinet Disassembly Cabinet Disassembly Rear ViewPage Table a Size Length1c. VS-70709 Cabinet Separation Precedure Cabinet Separation Procedure VS-70709DiamondShield Installation Procedure DiamondShield Removal ProcedureServicing the Diamondshield Top & Bottom Molding Clips Side Molding ClipsMajor Parts Locations Chassis Removal and PCB LocationsRemoval of the CRT CRT ReplacementPage Adjustment procedures after replacing the CRTs Test Signal Electrical AdjustmentsMonoscope Signal Color Bar SignalOption Menu Setup Initial SettingsDefault Settings Description Initial SettingError Code Operational Check LED Indicator DiagnosticsError Codes AV MemoryActivating the Circuit Adjustment Mode Adjustment FunctionsSelection of adjustment Functions Adjustment Items Changing DataConvergence Adjustment Mode Sub Functions Fine Conv PressCursor Cursor CoordinatesDisplay Saving Data and Exiting the Convergence ModePIP Function Adjustment Items ListAudio Function HR Function Convergence Mode ItemsConv Misc Conv GreenConv Blue Conv REDDF Function VkeyPage Audio Circuit Purpose Service ModeInput Level Audio Function Abbrev DataDynamic Focus Symptom High Voltage Control SymptomConvergence Mode High Voltage Circuit PurposeFocus Verification Lens Focus Symptom Blurred pictureMENU-0-1-5-9 Color PressAbbr Data Service Mode CRT Cutoff SymptomCRT Circuit Purpose CRT CurrentService Mode Activate …….. MENU-0-1-5-7 Low Color TemperaturePIP Insert Picture Color and Tint SymptomPIP Circuit Purpose On-screen display is not positioned correctly 13. Cb, Cr Offset SymptomCb, Cr Circuit Purpose Abbr Data Convergence Circuit Purpose Height and Vert. Linearity SymptomDeflection Circuit Purpose Convergence Circuit Purpose Coarse Convergence Color edging at the top, bottom and sides of the picture Fine Convergence SymptomChip Parts Removal Transistors ReplacementChip Parts Removal Resistors, Capacitors, etc Parts Ordering Critical and Warranty Parts DesignationParts Tolerance Codes Model AbbreviationsQuick Reference for Common Replacement Parts Remote ControlCRT Assemblies High Voltage / Deflection ComponentsIntegrated Circuits TubesTransistors DiodesCOIL-CHOKE ZTS6620 CoilsResistors TransformersVariable Resistors Carbon 1/4W 10K-J R521R529 Fuse 1/2W 0.82-JComposition 1/2W 1M-K Capacitors & TrimmersComposition 1/2W 4.7M-K CER-CHIP SL50V 470P-J CER-CHIP CH50V 82P-JCER-CHIP CH50V 47P-J CER-CHIP CH50V 68P-JC554 C552PLA-PP 200V 0.47M-J C568Poly 250VAC 0.1M-M C902 C901Poly 250VAC 0.1M-M C903 CER 250VAC 1000P-M C904Printed Circuit Boards AccessoriesMiscellaneous Screen Parts Screen Assembly Circuitry Block Diagrams Power SupplyVIDEO/COLOR Signal Path Sound Circuit Deflection Protect Circuit Convergence Circuitry Control Circuit Page Page Page Page Page Page Page Page Page Page Page