Sony SRX-R320, Service Manual

Page: 71 / 406

1-63 (E)
SRX-R320
Procedure after cleaning
After cleaning the optical system, perform the following check and adjustment.
1. Load the lamp.
2. Check the illumination range. (When using 2D lens)
When the check result is NG, adjust the illumination range. (Refer to Section 2-4.)
3. Check the uniformity. (Signal: GRAY 10 FULL)
When the check result is NG, adjust the uniformity. (Refer to Technical Manual.)
4. Adjust LUT ( γ ) as required. (Refer to Technical Manual.)
5. Perform the color space conversion (CSC adjustment). (Refer to Installation Manual.)
1-15-2. Lamp House Cleaning
Required tools
.
Air blower, brush, cloth (vacuum cleaner)
Preparation
1. Remove the lamp. (Refer to Installation Manual.)
Procedure
1. Blow away the dust and foreign particles adhered to the cold mirror (surface), inside of re fl ector and
projection window.
When there is still any contaminated area or fogged area, put the alcohol on the croser and wipe it.
n
The contamination on the cold mirror (surface), inside the re fl ector and projection window may cause
decrease in luminance.
2. Check that there are no scratches, changes in color and peeled portions on the cold mirror (surface),
inside the re fl ector and projection window.
3. When there is any abnormal state, replace with the new parts.
4. Wipe the dust adhered to the wire mesh portion of the lamp house exhaust vent using cloth.
5. Clean the dust adhered to the wire mesh using the air blower and brush being careful not to touch the
re fl ector.
n
When the wire mesh is clogged, the lamp is not cooled, which may cause lamp troubles such as; no
light up, black out, or short life of lamp.