Toshiba TLP-450U, Service Manual

Page: 19 / 61

1-15
Adjust Items
9. Slantness sensor
correction data
setting
Input Signal
––––
Test
Equip-
ment
––––
Test Point
––––
Adjust
mode
––––
Adjust Value
––––
Note
Table 1-4-4
1. Leave the unit for more than 3 hours to cool down enough.
2. Connect TLP450/451/650/651 to a personal computer by using a RS-232 cable. Set TLP450/451/650/
651 in the standby status.
3. Start the slantness sensor correction data setting software (menu) on the personal computer.
30
°
30
°
Fig. 1 Fig. 2 Fig. 3
• Perform the following adjustment when replacing the main PC board (PB9061) and/or the microprocessor QXXX.
Normal
All data read (X command) Timer
Option TOSHIBA logo
Keystone format (Deg)
Port
Adjust
Read
Initialize
Setting Drive Data Read Special
Receive CMD
Save Help
Special
Off
0
0 (High-temp)
+30 -30
On Off On
Send CMD
Fig. 4
4. Place TLP450/451/650/651 to be adjusted horizontally on a flat table and click “0” of keystone format
(Deg) on the menu and store the data at the horizontal position. (Refer to Fig. 1.)
5. Place TLP450/451/650/651 to be adjusted on a table with 30 degrees slanted and its projection lens
directed upward. Then click “+30” of keystone format (Deg) on the menu and store the data of +30
degrees position. (Refer to Fig. 2.)
6. Place TLP450/451/650/651 to be adjusted on a table with 30 degrees slanted and its projection lens
directed downward. Then click “–30” of keystone format (Deg) on the menu and store the data of –30
degrees position (Refer to Fig. 3.). At this time, the data is written on the flash ROM of the TLP450/
451/650/651.
7. After heat-running for more than 1 hour with the power turned on, place TLP450/451/650/651 horizontally
and click “0 (High-temp)” of keystone format (Deg) to save the horizontal position data at high tempera-
ture.
8. Stretch the height adjusting legs on the front side of TLP450/451/650/651 fully, turn on the projector and
start projecting on the screen.
Adjust the focus roughly and push the automatic keystone button on the remote controller. Check to see
the image projected is more rectangular with less trapezoidal in comparison with the shape before
pushing the keystone button.