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MODELS: VS-45609 / VS-50609 / VS-55609 / VS-60609 / VS-60719 / VS-70709
MODELS: VS-45609 / VS-50609 / VS-55609 / VS-60609 / VS-60719 / VS-70709
[Convergence Circuit]
18. Geometry Adjustment
Measuring
-----
Instrument
-----
Test Point
Ext. Trigger
------
Measuring
-----
Range
Input Signal
Monoscope
Input Terminal
RF or Video
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)
Purpose:
To set the Convergence circuit geometry adjustments.
Symptom:
Raster distortion at the top, bottom or sides of the picture.
Note: Vertical Height and Vertical Linearity Adjustments must be performed before
this adjustment.
Coarse Adjustment
1. Supply a Monoscope signal to the RF or Video Input.
2. Select the Monoscope as the signal source (Input button).
3. Activate the Convergence Mode, Coarse Green Function
4. Adjust Item "5 HWID" so the sum of the horizontal markers is 7.6.
5. Set the data of the following items for straight crosshatch lines.
• "3 SKEW" ... Skew
• "4 TILT" ... Tilt
• "6 HLIN" ... Horizontal Linearity
• "7 SPCC" ... Side Pin Cushion Correction
• "8 HKEY" ... Horizontal Keystone
• "9 TBPC" ... Top/Bottom Pin Cushion
• "10 VKEY" ... Vertical Keystone
• "11 VWID" ... Height
• "12 VLIN" ... Vertical Linearity.
Note: If the raster centering changes during the adjustments, correct the
centering using Items "1 HSTA" and "2 VSTA".
Fine Adjustment
6. Activate the Fine Green Convergence Mode. (Press 4)
7. Use the Cursor to adjust for straight crosshatch lines.
8. Exit the Convergence Mode.
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