PG-C45X - diagramas.diagram...

PG-C45X - diagramas.diagram... PG-C45X - diagramas.diagram...

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PG-C45X THE OPTICAL UNIT OUTLINE Layout for proper setup of the optical components and parts (top view) Relay lens 2 Relay lens3 Projection Lens M5 AL-coated mirror B L2 M4 AL-coated mirror R M3 B reflector Relay lens 1 L2 G reflector R reflector M2 16 L1 Fly-eye lens (Output) Fly-eye lens (Input) Light source (Lamp)

17 PG-C45X Adjusting the mirrors This adjustment is needed when any of the optical parts of the optical mechanism has been replaced. 1. Disconnect the flat cables from all the LCD panels. 2. Light up the lamp. 3. Project a white-light image and check to see if there is any color tint in any direction. If any, use the M2, M4 and M5 adjusting levers. 4. Loosen the adjusting lever lock screws, make adjustments, and tighten up the lock screws. Lock screws M5 Adjusting lever Lock screws M4 Adjusting lever M2 Adjusting lever Lock screws Lever D Screw A Screw B Correcting color irregularities on white-only screen when replacing the lamp If color irregularities are found at the right and left on a white-only screen after replacing the lamp, it is necessary to readjust the optical axis of the new lamp. Take the following steps. 1. Open the lamp cover and loosen the screws A and B at the top of the lamp. 2. Using a screwdriver or the like, move the lever D in the arrow direction. 3. Temporarily fix the screws A and B, close the lamp cover, and check the white-only screen again for color irregularities. 4. Repeat the above steps 1 and 2 until there will be no color irregularities. Now tighten up the screws A and B. 5. Finally secure the lamp cover back in position.

17<br />

<strong>PG</strong>-<strong>C45X</strong><br />

Adjusting the mirrors<br />

This adjustment is needed when any of the optical parts of the optical mechanism has been replaced.<br />

1. Disconnect the flat cables from all the LCD panels.<br />

2. Light up the lamp.<br />

3. Project a white-light image and check to see if there is any color tint in any direction. If any, use the M2, M4 and M5<br />

adjusting levers.<br />

4. Loosen the adjusting lever lock screws, make adjustments, and tighten up the lock screws.<br />

Lock screws<br />

M5 Adjusting lever<br />

Lock screws<br />

M4 Adjusting lever<br />

M2 Adjusting lever<br />

Lock screws<br />

Lever D<br />

Screw A<br />

Screw B<br />

Correcting color irregularities on white-only screen when replacing the lamp<br />

If color irregularities are found at the right and left on a white-only screen after replacing the lamp, it is necessary to<br />

readjust the optical axis of the new lamp. Take the following steps.<br />

1. Open the lamp cover and loosen the screws A and B at the top of the lamp.<br />

2. Using a screwdriver or the like, move the lever D in the arrow direction.<br />

3. Temporarily fix the screws A and B, close the lamp cover, and check the white-only screen again for color<br />

irregularities.<br />

4. Repeat the above steps 1 and 2 until there will be no color irregularities. Now tighten up the screws A and B.<br />

5. Finally secure the lamp cover back in position.

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