Daewoo DSC-30W60N, Service Manual, Page: 14 / 73

13
General Adjustment
Geometry
1. To adjust V-Position, H-Size, H-Position and so forth, tune on Retma Pattern.
2. To adjust Pincushion, Parallelogram and so forth, tune on Cross Hatch signal.
3. Screen Mode should be on Full mode, and the Video Mode should be on Normal mode.
4. Press S5 button to adjust Geometry.
5. With Up/Down buttons, perform the adjustment items in the following order.
Item Screen Image Adjustment Procedure
V Size Max.
Over Scanning Rate: 105%
1) Receive NTSC Retma signal.
2) The Screen mode should be selected on Full mode
3) Adjust Vertical Size so that over scanning rate may be 105%.
4) Check if the center circle is not only circular on Full mode
but also on Normal mode.
Vertical Size 1) There is no need to adjust.
2) Check if the value of data is "0".
Vertical
Position 1) Receive NTSC Retma signal.
2) The Screen mode should be selected on Full mode.
3) Adjost Vertical Position so that the circle of Retma signal
may be centered in the verical direction.
VC
Linearity 1) Receive NTSC Retma signal.
2) The Screen mode should be selected on Full mode.
3) When the center area of Retma signal's circle is S type in the
vertical direction, adjust VC Linearity so that vertical interval
may be the same.