Samsung AP17K series Manual page 11

4 Alignment and Adjustments
4-2 Display Control Adjustments
4-2-1 HIGH VOLTAGE ADJUSTMENT
Signal: 1024 x 768 (68 kHz/85 Hz)
Display image: Don't care
Contrast: Minimum
Brightness: Minimum
Limit: 26.0 kV ± 0.3 kV
Measure the hight voltage level at the anode cap.
High voltage should be within the limit as above.
4-2-2 CENTER RASTER
Adjust SW401 so that the back raster comes to the
center when you apply basic mode for 17".
4-2-3 Centering
Centering means to position the center point of
the display in the middle of the display area.
Horizontal size and position and vertical size and
position control the centering of the display.
Adjust the horizontal size and vertical size to their
optimal settings: 312 mm (H) x 234 mm (V).
Adjust the horizontal position and vertical
position to ≤ 4.0 mm of the center point of the
screen.
|A-B| ≤ 4.0 mm. |C-D| ≤ 4.0 mm.
C
A
D
Figure 4-3. Centering
* In Softjig window, "Geometry" has to be
selected for GD adjustment.
4-2-4 (a) HORIZONTAL SIZE ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Brightness:
Contrast:
Click Standard Dump on the right Menu in the
general field.
Use control bar after selecting size B+ in the left
Menu to adjust the horizontal size of the display,
Pattern to 312mm(Tolerance : ±3mm.)
4-2
DISPLAY AREA
B
EDGE OF BEZEL
68 kHz/85 Hz
Crosshatch pattern
Maximum
Maximum
Run the All Mode save in the Right Menu.
Caution : Do not Run the All mode Save at the
other scannig times except for 1024x768
(68kHz/85Hz).
4-2-4 (b) VERTICAL SIZE ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Brightness:
Contrast:
Use control bar after selecting "V-SIZE" in left
menu to adjust the vertical size of the display
pattern to 234 mm.(Tolerance: ± 3 mm.)
4-2-4 (c) HORIZONTAL POSITION ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Use control bar after selecting "H-POSITION" in
left menu to center the horizontal image on the
raster.
4-2-4 (d) VERTICAL POSITION ADJUSTMENT
CONDITIONS
Scanning frequency:
Display image:
Use control bar after selecting "V-POSITION" in
left menu to center the vertical image on the
raster.
68 kHz/85 Hz
Crosshatch pattern
Maximum
Maximum
68 kHz/85 Hz
Crosshatch pattern
68 kHz/85 Hz
Crosshatch pattern
AP17K*/AP17J*