Toshiba TLP-711U Panduan Servis - Halaman 5

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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

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