Mitsubishi Electronics VS-60609 service manual Abbr Data

Page 35

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

[Defl/Conv Circuits]

Purpose:

To preset data values controlling raster geometry.

15. Geometry Preset

Symptom:

Raster Distortion

 

 

 

 

 

 

 

 

 

Measuring

-----

 

Note: This procedure us usually only necessary if:

Instrument

 

 

 

Test Point

-----

 

 

• An E2PROM is replaced in the Control or Convergence circuits.

 

 

• E2RESET or Convergence Reset has been activated.

 

 

 

 

 

Ext. Trigger

------

 

Deflection Circuit

 

 

 

 

Measuring

-----

 

1.

Supply NTSC Video signal to the Video or RF Input.

Range

 

 

2.

Select the NTSC signal as the source (Input button).

Input Signal

 

 

NTSC RF or Video

3.

Enter the Service Mode, VCJ Function.

 

 

 

 

 

 

4.

Insure all data values correspond to those in the VCJ Table shown in Table 1.

Input Terminal

Video or RF Input

5.

Save the data and exit the Service Mode.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SERVICE MODE

 

 

CONVERGENCE MODE

 

 

 

 

Activate …….. MENU-0-1-5-7

 

 

Activate ……..MENU-0-1-5-9

 

 

 

 

 

 

 

 

 

 

Function …...………..AUDIO

 

 

Misc. ……………….……"6"

 

 

 

 

Item No. ……….…….VIDEO

 

 

Coarse………………..…."5"

 

 

 

 

Adjust Data ….…….ADJUST

 

 

Fine ……………………..."4"

 

 

 

 

Save Data …. ………ENTER

 

 

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

 

 

 

 

Exit …………..MENU (twice)

 

 

Item No………….…..VIDEO

 

Convergence Circuit

 

Adjust/Move……….ADJUST

 

 

 

1.

Enter the Convergence Coarse Mode.

 

Cursor Toggle….…..ENTER

 

 

 

2.

Set the data in Red, Green and Blue Coarse Convergence Functions to the

 

Save & Exit…..MENU (twice)

 

 

 

 

data values given in Tables 2, 3 and 4.

 

 

 

 

3.

Exit the Convergence Mode.

VCJ Function

Item

Abbr.

Data

2

VHGT

31

3

SCOR

7

4

VLIN

7

51

VPOS

31

55

HPOS

34

 

Table 1

 

CONV RED

Item

Abbr.

Data

1

HSTA*

100

2

VSTA*

0

3

SKEW

0

4

TILT

0

5

HLIN

-270

6

HWID

-60

7

VKEY

-170

8

VWID

0

9

VLIN

0

10

TPBC

0

11

SDBW

80

*Data should not exceed ±100 Table 3

CONV GREEN

Item

Abbr.

Data

1

HSTA*

0

2

VSTA*

0

3

SKEW

0

4

TILT

0

5

HWID

30

6

HLIN

0

7

SPCC

-125

8

HKEY

30

9

TBPC

-230

10

VKEY

-10

11

VWID

0

12

VLIN

0

*Data should not exceed ±100 Table 2

CONV BLUE

Item

Abbr.

Data

1

HSTA*

-100

2

VSTA*

0

3

SKEW

0

4

TILT

0

5

HLIN

280

6

HWID

-50

7

VKEY

150

8

VWID

0

9

VLIN

0

10

TPBC

0

11

SDBW

-70

*Data should not exceed ±100 Table 4

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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-70709Top & Bottom Molding Clips Side Molding Clips DiamondShield Removal ProcedureDiamondShield Installation Procedure Servicing the DiamondshieldMajor Parts Locations Chassis Removal and PCB LocationsRemoval of the CRT CRT ReplacementPage Adjustment procedures after replacing the CRTs Color Bar Signal Electrical AdjustmentsTest Signal Monoscope SignalDescription Initial Setting Initial SettingsOption Menu Setup Default SettingsAV Memory LED Indicator DiagnosticsError Code Operational Check Error CodesChanging Data Adjustment FunctionsActivating the Circuit Adjustment Mode Selection of adjustment Functions Adjustment ItemsConvergence Adjustment Mode Cursor Coordinates Fine Conv PressSub Functions CursorDisplay Saving Data and Exiting the Convergence ModePIP Function Adjustment Items ListAudio Function Conv Green Convergence Mode ItemsHR Function Conv MiscVkey Conv REDConv Blue DF FunctionPage Audio Function Abbrev Data Service ModeAudio Circuit Purpose Input LevelHigh Voltage Circuit Purpose High Voltage Control SymptomDynamic Focus Symptom Convergence ModeColor Press Lens Focus Symptom Blurred pictureFocus Verification MENU-0-1-5-9CRT Current CRT Cutoff SymptomAbbr Data Service Mode CRT Circuit PurposeService 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 Model Abbreviations Critical and Warranty Parts DesignationParts Ordering Parts Tolerance CodesHigh Voltage / Deflection Components Remote ControlQuick Reference for Common Replacement Parts CRT AssembliesDiodes TubesIntegrated Circuits TransistorsCOIL-CHOKE ZTS6620 CoilsResistors TransformersVariable Resistors Fuse 1/2W 0.82-J R521Carbon 1/4W 10K-J R529Composition 1/2W 1M-K Capacitors & TrimmersComposition 1/2W 4.7M-K CER-CHIP CH50V 68P-J CER-CHIP CH50V 82P-JCER-CHIP SL50V 470P-J CER-CHIP CH50V 47P-JC568 C552C554 PLA-PP 200V 0.47M-JCER 250VAC 1000P-M C904 C901Poly 250VAC 0.1M-M C902 Poly 250VAC 0.1M-M C903Printed 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