6 : C a l i b r a t i o n , A l i g n m e n t , a n d A d j u s t m e n t P r o c e d u r e s
CHRISTIE DIGITAL SYSTEMS
CineX35 Projector
6-2
May, 2004
6 . 1 . 1 . P
R E L I M I N A R Y
P
R O C E D U R E S
Refer to Figure 3-2 on page 4 for a list of the tools, equipment, and materials required.
1. Verify that LED is operational and lens is clean.
2. Verify cell wiring for proper left/right wiring to cinema processor.
6.1.2.
C
E L L
P
O S I T I O N I N G
: V
E R T I C A L
A
L I G N M E N T
1. Loosen 10-32-inch Allen set screw on side of assembly (item 3 in Figure 6-1).
2. Run Dolby Cat. 69 tone.
3. Adjust vertical position of cell (item 8 in Figure 6-1) for maximum output level.
4. Tighten locking screw on side of cell adjustment assembly. (Item 3 in Figure 6-1).
5. Adjust cinema processor's pre-amplifier gains for left and right tone reference levels.
6 . 1 . 3 . H
O R I Z O N T A L
( L
A T E R A L
) A
L I G N M E N T
1. Loosen 10-32 Allen locking screw on bottom of cell adjustment assembly (item 7 in
Figure 6-1).
2. Run Buzz Track film.
3. Adjust lateral position of cell (item 5 in Figure 6-1) until there is no output at processor's
test points. If output is present on both left and right test points, increase focal distance
between lens and cell.
4. Tighten locking screw on bottom of cell adjustment assembly. (item 7 in Figure 6-1).
6 . 1 . 4 . F
O C U S A N D
A
Z I M U T H
1. Loosen 10-32 Allen locking screw in hole on side assembly (item 4 in Figure 6-1).
2. Turn cinema processor's pre-amplifier Hf
adjustments counterclockwise to minimum
settings.
3. Run Dolby Cat. 69 Pink Noise film (not older than 1992).
4. Adjust Focus (item 2 in Figure 6-1) and Azimuth (item 6 in Figure 6-1) for maximum
high frequency response and phase coherence.
5. Carefully lock focus adjustment (9)
and azimuth set screw (4).
6. Turn cinema processor's pre-amplifier Hf
adjustments clockwise until real-time analyzer
shows flat frequency response to 16 kHz.
7. Verify that both channels have identical frequency response.
6 . 1 . 5 . A
L I G N M E N T
V
E R I F I C A T I O N
1. Repeat vertical and horizontal alignment procedures described in Sections 6.1.2 and
6.1.3.
