Toshiba TLP710E Руководство по эксплуатации - Страница 8
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< Green 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 the RGB connec-
tors. Adjust the green color only.
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. (Refer to 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
upper hole 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. When the green LCD is replaced, the pixel matching
adjustments for the red and blue panels will be
necessary in many cases. (If the pixel matching is
obtained in above adjustment, it is not necessary.)
Accordingly, turn off the power. Remove the FPC
section of the red and blue LCDs from the PC board
connectors, and remove the red and blue LCD plate
from the LCD block.
9. Remove the red and blue LCD from the LCD plate
and mount them on new LCD plates.
10. Mount the new red and blue LCD plates on the LCD
block.
11. Perform the adjustment steps (1) – (9) described under
"Red/Blue LCD Adjustment" for each red and blue
LCD.
12. After completion of the red and blue LCD adjust-
ments, perform the steps (10) – (16) described under
"Red/Blue LCD Adjustment".
4. ELECTRICAL ADJUSTMENT
< Test Equipments and Test Jigs >
• Oscilloscope
• Digital voltmeter
• Adjustment software TLP711.EXE
• Color luminance meter (BM-5)
< Input Signal List (for use of ROM:TLP711.EXE) >
• RGB signals (16-stairstep waveform)
• RGB signals (50% APL)
• Video signal (gray scale)
• Video signal (stairstep)
< Connection and Setting of Personal Computer >
(1) Connection of personal computer
1) Connect a computer as shown in Fig. 1-4-1, and
then perform the adjustment using the adjustment
software TLP711.EXE. (When using a drive C,
type C: ¥TLP711.EXE and press enter key.)
1-6
Fig. 1-4-1