Toshiba 34HFX84 Service Manual page 9

ITEM
E-W PARABOLA (DPC)
(PARA)
HORIZONTAL POSITION
(HPOS)
VERTICAL POSITION
(VPOS)
HEIGHT
(HIT)
WHITE BALANCE
(RCUT)
(GCUT)
(BCUT)
(GDRV)
(BDRV)
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1. Call up the adjustment mode display, then select the item PARA.
2. Press the TV/VIDEO button on Remote until the cross-hatch pattern appears on
the screen.
3. Press the VOLUME
1. Call up the adjustment mode display, then select the item HPOS or VPOS.
2. Press the TV/VIDEO button on Remote until the
white cross-bar or black cross-bar pattern appears
on the screen.
3. Adjust the HORIZONTAL and VERTICAL position
alternately by pressing the VOLUME
ton for proper picture position.
4. Check the picture with off-air signal.
1. Call up the adjustment mode display, then select the item HIT.
2. Press the VOLUME
lack.
3. Press the VOLUME
Note : Check the vertical picture position is correct.
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 on Remote
until the white and black pattern appears on the screen.
3. Adjust the following items with the CHANNEL / and VOLUME / buttons.
Item : RCUT
Item : GCUT
Item : BCUT
4. Press the TV/VIDEO button on TV to display a single horizontal line on the screen.
5. Turn the SCREEN control (FBT) fully counterclockwise and gradually rotate clock-
wise until the first horizontal line appears slightly on the screen.
6. Press the TV/VIDEO button to display the normal picture.
7. Adjust the remaining two "?CUT" items (CHANNEL
UME / 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.
- 9 -
ADJUSTMENT PROCEDURE
or button to make vertical lines straight as shown below.
or but-
or button to get the picture so the top of raster begins to
button to advance the data by 9 steps.
Item :
Data : 40H
Item :
Data : 40H
Data : 40H
Bright area
Adjust "GDRV" or "BDRV" to be white.
Dark area
Fine adjust "RCUT", "GCUT" or "BCUT" to be black.
GDRV Data : 40H
BDRV Data : 40H
→ TV/VIDEO → VOL-
/