Toshiba TLP-711U Manual de servicio - Página 6
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8. Adjust the focus ring and the raster focus of the LCD
which has not been replaced. If the green LCD is not
replaced, adjust the green raster. If the green LCD is
replaced, adjust the red raster, and if the red LCD is
replaced, adjust the blue raster.
9. Attach the wall chart to the wall so the bottom line of
the square lines up with the bottom of the raster. Also,
center the chart horizontally with the raster.
10. Adjust the zoom ring and make sure the bottom of the
raster remains on the bottom line. Return the zoom
ring to the maximum wide setting.
11. Hereafter, do not move the setting position and the
focus ring.
< Red/Blue LCD adjustment >
1. Confirm connection of the LCD panel (if not con-
nected, connect the LCD to the connector of the PC
board.)
2. Turn the projector on.
3. Input the cross hatch pattern from RGB connectors.
Only input R signal when adjusting the red panel
focus, and only input B signal when adjusting the
blue panel focus.
4. Prepare two focus adjustment jigs. Insert them onto
two holes on bottom of the LCD plate, and adjust the
LCD plate back and forth until the best focus is
obtained in considering left and right balance of the
projection screen.
Fig. 1-3-5
5. If the focus or raster geometry is changed, when
tightening the screws holding the LCD mount, loosen
the screws slightly and readjust.
6. Prepare one focus adjustment jig and insert it onto
the one hole on top of the LCD plate, and adjust the
LCD plate back and forth until the best focus is
obtained in considering upper and lower balance of
the projection screen. (Refer to Fig. 1-3-5.)
7. If the focus or raster geometry is changed, when
tightening the screws holding the LCD mount, loosen
the screws slightly and readjust.
8. Input the cross hatch pattern of G signal.
9. Adjust the cross hatch pattern up & down (Refer to
Fig. 1-3-6) and left & right (Refer to Fig. 1-3-7) with
the three adjusting screws (hex screw driver (1.0 mm)
available on the market) until it is aligned with the
green cross hatch pattern.
10. Turn off the power, and remove the FPC section of the
LCD from the connector of the drive PC board.
11. Fill a quick dry adhesive at joint of the LCD mount. In
this case, sufficient care will be necessary so that the
adhesive does not stick to the LCD panel surface or
any other parts.
Note:
• Use the adhesive available on the market as an epoxy
type two liquid mixture of equal amount.
1-4
Fig. 1-3-6
Fig. 1-3-7