Alignment And Adjustments - Samsung ST436WMX/GAP Service Manual

5. Alignment and Adjustments

5-1 Lens and Mirror Cleaning
1. Mix the alcohol and ethyl in appropriate proportions.
2. Use a clean cotton cloth or a cleaning paper.
3. Clean the top of the lens by turning it as shown. The pattern starts at the
center and proceeds outward, as shown below:
4. Use minimal pressure when rubbing the mirror. Otherwise, the surface
will be damaged.
5-2 Focus Adjustment for projection Lens
1. Loosen the 1 screw that secures the optical
assembly.
2. After applying the FLCD panel signal, input
a lion head pattern from a pattern
generator.
3. Move the focus adjustment lens right and left
until the FLCD picture element is clearly
displayed on the screen.
4. Reposition the optical assembly, and fasten
1 screw.
6. Check the focus adjustment.
7. Repeat adjustments 1~5, if necessary.
Samsung Electronics
Alignment and Adjustments
Fig. 5-1
5-1