Philips 7629 Service Manual page 50

26. Use the MENU UP/DOWN keys to select PICTURE.
27. Use the MENU LEFT/RIGHT keys to reset the value of PICTURE to the original value.
28. Use the MENU UP/DOWN keys to select BRIGHTNESS.
29. Use the MENU LEFT/RIGHT keys to reset the value of BRIGHTNESS to the original
value.
30. Press the MENU button twice to return to the top level SDAM menu.
31. Use the POWER button on the remote control transmitter or the POWER button on the
television set to turn off the television set. This will save the changes made in SDAM.
Figure: V Cut-Off
Table: Cut-off Voltage, Large Screen
Screen Size
25/28Tesla, 25/28BLD
20RF/21RF/25RF/29RF,21RF Pin-Free, 25"HF LA,
25V/27V/32V/35V/25"/33"/28BLS, 29",29SF EU,
21RF AP/CH, 25" AP/CH, 25RF/29RFAP/CH, 29SF AP +155V +/- 4V
21RF Ph, 24/28/32WS BLD,29RF (Eu), 28/32WSRF
Focusing
1. Connect the RF output of a video pattern generator to the antenna input.
2. Input a circle or crosshatch test pattern to the television set.
3. Press the AUTO PICTURE button on the remote control transmitter repeatedly to
choose PERSONAL or MOVIES picture mode.
4. Adjust the FOCUS potentiometer (see Fig. 8-1)until the vertical lines near the left and
right sides of the screen, and near the horizontal center of the screen, are at minimum
width without visible haze.
Cut-off Voltage
+140V +/- 4V
+145V +/- 4V
+160V +/- 4V