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< Adjustment of LCD >
If the red and blue LCD panels need to be adjusted,
follow the procedures in the item "Red/Blue LCD
adjustment". However, if the green LCD panel needs to
be adjusted, follow the procedures in the item "Green LCD
adjustment". After the green LCD panel adjustment is
carried out, it is necessary to replace or adjust the red and
blue LCD panels as described in the item "Red/Blue LCD
adjustment".
< Service jig >
• Extension cable kit : 23588458
• Focus adjust jig : 23430581
Fig. 1-3-3
When using the extension cable kit (23588458), you will
perform the adjustment on PC boards removing the PC
boards from the unit.
1. Remove the PC boards (Video, digital and drive) from
the unit.
2. Connect PC boards each other again.
3. Connect the unit and PC boards removed using the
extension cable.
Connection of each extension cable
Connection of each extension cable
Connection of each extension cable
Connection of each extension cable
Connection of each extension cable
This connector is open
This connector is open
This connector is open
This connector is open
This connector is open
< Drive PC board remounting >
Connect cables removed from connectors on the drive PC
board and the LCD panel as they were connected. (If a
signal generator which can not generate a white raster
signal is not available, do not connect the LCD panel.)
< Setup >
1. Make a wall chart on white fiber board as illustrated
in Fig. 1-3-4.
Note:
• Only use a stiff material to prevent focus errors.
2. Retract the foot adjusters so the unit sits flat.
3. Place the LCD Projector on a table so that the front
edge of the lens is 1.41m from the wall. (Refer to Fig.
1-3-4.)
4. Set the zoom ring to the maximum wide setting.
5. Adjust the focus ring to the center of its range.
6. Feed a white raster signal through RGB connectors
and turn on the power of the projector. (If a signal
generator which provides a white raster signal is not
available, turn on the power without connecting the
LCD panel.)
7. If all three LCD panels need to be replaced, refer to
the "Green LCD adjustment".
1-3
Fig. 1-3-4
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