Mitsubishi Electronics VS-60609 service manual Coarse Convergence

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

[Convergence Circuit]

Purpose:

To Converge red and blue on green.

19: Coarse Convergence

Symptom: Color edging at the top, bottom and sides of the picture.

 

 

 

 

 

Measuring

-----

 

 

 

Instrument

 

1.

Select an External Input (no signal)

 

-----

Test Point

2.

Enter the Convergence Mode.

 

 

3.

Select the Coarse Red Function.

Ext. Trigger

------

4.

Set the Adjustments shown below to converge red on the green.

 

 

5.

Select the Coarse Blue Function

Measuring

-----

6.

Set the Adjustments shown below to converge blue on the green.

Range

 

Input Signal

None

7.

Exit the Convergence Mode

 

 

 

 

 

 

 

Input Terminal

Video Input

Note: If Static Convergence shifts, use HSTA and VSTA to correct convergence at

the center of the screen. (HSTA and VSTA data values must not exceed 200)

CONVERGENCE MODE

Activate ……..MENU-0-1-5-9

Misc. ……………….……"6"

Coarse………………..…."5"

Fine ……………………..."4"

Color (R,G B or DF)...AUDIO

Item No………….…..VIDEO

Adjust/Move……….ADJUST

Cursor Toggle….…..ENTER

Save & Exit…..MENU (twice)

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Contents Mitsubishi Digital Electronics AMERICA, INC VZ9Models Page Contents Chip Parts Replacement Replacement Parts Service Parts List Circuitry Block DiagramsProduct Safety Notice IntroductionLeakage current check Safety PrecautionsRadiation warning Refer to Parts List for Part Numbers Cabinet Disassembly Front ViewFront Cabinet Disassembly Cabinet Disassembly Rear View Rear Cabinet DisassemblyPage Size Length Table aCabinet Separation Procedure VS-70709 1c. VS-70709 Cabinet Separation PrecedureServicing the Diamondshield DiamondShield Removal ProcedureDiamondShield Installation Procedure Top & Bottom Molding Clips Side Molding ClipsChassis Removal and PCB Locations Major Parts LocationsCRT Replacement Removal of the CRTPage Adjustment procedures after replacing the CRTs Monoscope Signal Electrical AdjustmentsTest Signal Color Bar SignalDefault Settings Initial SettingsOption Menu Setup Description Initial SettingError Codes LED Indicator DiagnosticsError Code Operational Check AV MemorySelection of adjustment Functions Adjustment Items Adjustment FunctionsActivating the Circuit Adjustment Mode Changing DataConvergence Adjustment Mode Cursor Fine Conv PressSub Functions Cursor CoordinatesSaving Data and Exiting the Convergence Mode DisplayPIP Function Adjustment Items ListAudio Function Conv Misc Convergence Mode ItemsHR Function Conv GreenDF Function Conv REDConv Blue VkeyPage Input Level Service ModeAudio Circuit Purpose Audio Function Abbrev DataConvergence Mode High Voltage Control SymptomDynamic Focus Symptom High Voltage Circuit PurposeMENU-0-1-5-9 Lens Focus Symptom Blurred pictureFocus Verification Color PressCRT Circuit Purpose CRT Cutoff SymptomAbbr Data Service Mode CRT CurrentLow Color Temperature Service Mode Activate …….. MENU-0-1-5-7PIP 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 Fine Convergence Symptom Color edging at the top, bottom and sides of the pictureChip Parts Removal Transistors ReplacementChip Parts Removal Resistors, Capacitors, etc Parts Tolerance Codes Critical and Warranty Parts DesignationParts Ordering Model AbbreviationsCRT Assemblies Remote ControlQuick Reference for Common Replacement Parts High Voltage / Deflection ComponentsTransistors TubesIntegrated Circuits DiodesCoils COIL-CHOKE ZTS6620Resistors TransformersVariable Resistors R529 R521Carbon 1/4W 10K-J Fuse 1/2W 0.82-JComposition 1/2W 1M-K Capacitors & TrimmersComposition 1/2W 4.7M-K CER-CHIP CH50V 47P-J CER-CHIP CH50V 82P-JCER-CHIP SL50V 470P-J CER-CHIP CH50V 68P-JPLA-PP 200V 0.47M-J C552C554 C568Poly 250VAC 0.1M-M C903 C901Poly 250VAC 0.1M-M C902 CER 250VAC 1000P-M C904Printed Circuit Boards AccessoriesMiscellaneous Screen Parts Screen Assembly Power Supply Circuitry Block DiagramsVIDEO/COLOR Signal Path Sound Circuit Deflection Protect Circuit Convergence Circuitry Control Circuit Page Page Page Page Page Page Page Page Page Page Page