ViewSonic E95 - Page 57

4.3.3 Trapezoid / Parallelogram / TOP & Bottom hook / tilt adjustment.
2mm
1.5mm
1.5mm
2mm
4.3.4 Geometry distortion must limit as above diagram.
4.4 Picture width
4.4.1 Input preset timing adjust,H-SIZE (OSD) to achieve 357 + 4mm.
5. Vertical section adjustments.
5.1 Centering(with magnetic filed)
5.1.1 Apply signal at VESA 1024x768 / 7SHz mode, cross-hatch pattern.
5.1.1 Adjust “V-CENTER” to the video display vertically such that the vertical distance from the center
of picture to the top bezel edge and the bottom bezel edge is within 3mm.
| L1-L2 | Slmm
1 2
| L3-L4 | Slmm e
5.2 Vertical size
5.2.1 Apply preset timing cross-hatch pattern.
5.2.2 Adjust “V-SIZE” such that vertical height is 268mm+1mm.
6.0 Dynamic focus adjustment
6.1 Dynamic focus phase adjustment
6.1.1 Apply VESA1280x1024 80KHz / 75Hz mode full white pattern.
6.1.2 Connect oscilloscope across T404 pinl13 on PCB-MAIN with GND Display size width: 357mm,
height 268mm.
6.1.3 The OSD select FACTORY DEFLECTION to “FOCUSPHASE”.
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