Toshiba 13A20 Service Manual page 16

ITEM
WHITE BALANCE
RCUT
GCUT
BCUT
GDRV
BDRV
ADJUSTMENT PROCEDURE
1. Adjust the CONTRAST control to the center, and BRIGHTNESS control to the
maximum.
2. Call up the adjustment mode display, and press the TV/VIDEO button until the
white and black pattern appears on the screen.
3. Adjust the following address with the CHANNEL s/t and VOLUME s/t
buttons.
Item : RCUT
Data : 30H
Item : GCUT
Data : 30H
Item : BCUT
Data : 30H
4. Press "100" button on the Remote Control to display a single horizontal line on
the screen.
5. Turn the SCREEN control (FBT) fully counterclockwise and gradually rotate
clockwise until the first horizontal line appears slightly on the screen.
6. Press "100" button to display the normal picture.
7. Adjust the remaining two "?CUT" Item (CHANNEL s/t → 100 → VOLUME s/t
in order) to obtain the slightly lighted horizontal line in the same levels of three
(red, green, blue) colors. The line should be white if the adjustments are proper.
– 13 –
Item :
GDRV
Item :
BDRV
Bright area
Adjust "GDRV" or "BDRV" to be white.
Dark area
Fine adjust "RCUT", "GCUT" or "BCUT" to be black.
Data : 80H
Data : 80H