TOSHIBA 50A11
Manual de Servicio

ITEM HEIGHT (HIT)

ADJUSTMENT PROCEDURE 1. Call up the adjustment mode display, then select the item HIT. 2. Press the VOLUME s or t button to get the picture so the top of raster begins to lack. 3. Press the VOLUME s button to advance the data by 10 steps. Note : Check the vertical picture position is correct. 1. Call up the adjustment mode display, then select the item WID. 2. Press the VOLUME s or t button to get the picture so the left and right edges of raster begins to lack. 3. Press the VOLUME s or t button to advance the data by 10 steps. Note : Check the horizontal picture position is correct. 1. Call up the adjustment mode display, then select the item VLIN. 2. Receive cross-hatch pattern signal. 3. Press the VOLUME s or t button to obtain the picture of the best linearity. 4. Then readjust the item HIT. Center

WIDTH (WID)

VERTICAL LINEARITY (VLIN)

SPECIFIC INFORMATIONS GENERAL ADJUSTMENTS

WHITE BALANCE (RCUT) (GCUT) (BCUT) (RDRV) (BDRV)

1. Press RESET button on TV or remote hand set. 2. Call up the adjustment mode display, then adjust the data of items RCUT, GCUT and BCUT to �40�. 3. Press TV (ANT)/VIDEO button on TV. 4. Gradually rotate R, G and B SCREEN volume of FOCUS PAC (page 7) clockwise or counterclockwise until the raster appears slightly on the CRT through the each lens, and leave them. (Look into the lens in order to check the raster.) 5. Press TV (ANT)/VIDEO button on TV again. 6. Exit from service mode. 7. Receive white laster pattern signal, and adjust the contrast to the minimum to make white picture to low light. 8. Adjust the data of items RCUT, GCUT and BCUT for low light area. 9. Adjust the contrast to the maximum to make white picture to high light. 10. Adjust the data of items GDRV and BDRV Controls for proper white-balanced picture in high light area. 11. Check the white balance in both low and high light areas. If necessary, perform again steps from 7 to 9.

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The data of item GDRV changes red drive actually.

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