Electrical Adjustment - Toshiba 42WH36P Service Manual

ITEM
WIDTH
(WID)
(Picture size wide)
HEIGHT
(HIT)
(Picture size wide)
WHITE BALANCE
(RCUT)
(GCUT)
(BCUT)
(RDRV)
(BDRV)

ELECTRICAL ADJUSTMENT

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 11
steps.
Note : Check the horizontal picture position is correct.
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
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 coun-
terclockwise until the raster appears slightly on the CRT through the each lens,
and leave them.
(Lookin 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
picture 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.
– 14 –
* There is not in the built-in test patterns.
It needs to prepare the pattern generator.
High light area
Adjust "RDRV" or "BDRV" to be white.
Low light area
Fine adjust "RCUT", "GCUT" or "BCUT" to be black.
)