Toshiba 43VR9UM, Service Manual

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GENERAL ADJUSTMENTS
ITEM ADJUSTMENT PROCEDURE
1. Call up the adjustment mode display, then select the item WID .
2. Press the VOLUME
t
button to get the picture so the left
or right edges of raster begins to lack.
3. Press the VOLUME
s
button to advance the data by 15
steps.
Note : Check the horizontal picture position is correct.
WIDTH
(WID)
VERTICAL LINEARITY
(VLIN)
1. Call up the adjustment mode display, then select the item VLIN .
2. Press the TV/VIDEO button on Remote until the cross-hatch pattern appears on
the screen.
3. Press the VOLUME
s
or
t
button
to obtain the picture of the best lin-
earity
Center
1. Call up the adjustment mode display, then select the item HIT .
2. Press the VOLUME
t
button to get the picture so the top or bottom of
raster begins to lack.
3. Press the VOLUME
s
button to advance the data by 9 steps.
Note : Check the vertical picture position is correct.
Black and White pattern
High light area
Adjust "RDRV" or "BDRV" to be white.
Low light area
Fine adjust "RCUT", "GCUT" or "BCUT" to be black.
1. Set user control to reset position.
(
CONTRAST
→
Max
BRIGHTNESS, COLOR, TINT
→
Center.
)
2. Call up the adjustment mode display, then select the item RCUT.
3. Adjust the data of items
RCUT , GCUT , and BCUT to "40H".
4. Press the -/-- button on Remote. (Y-MUTE : ON)
5. Gradually rotate R, G and B screen volume of FOCUS PAC clockwise or counter-
clockwise until the raster appears slightly on the CRT through the each lens, and
leave them.
(Looking to the lens in order to check the raster.)
6. Press the -/-- button on Remote. (Return to Normal Picture)
7. Press the
a
button on Remote, and select the Black and White pattern.
8. Adjust the data of items RCUT , GCUT and BCUT for proper white-balanced pic-
ture in low light area.
9. Adjust the data of items RDRV and BDRV for proper white-balanced picture in
high light area.
10. Check the white balance in both low and high light areas.
If necessary, perform again steps from 8 to 9.
ELECTRICAL ADJUSTMENT
HEIGHT
(HIT)
WHITE BALANCE
(RCUT)
(GCUT)
(BCUT)
(RDRV)
(BDRV)