23358564 datasheet(8/35 Pages) TOSHIBA

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ELECTRICAL ADJUSTMENTS

Vertical retrace line

1. Enter the service mode, then select any register item.

2. Press the TV/VIDEO button on the Remote until the black cross-bar pattern ap-

pears on the screen.

3. Adjust the FOCUS control (on T461) for well defined scanning lines on the picture

screen.

FOCUS VR ADJ

SUB-BRIGHTNESS

(BRTC)

1. Constrict the picture height until the verti-

cal retrace line appears adjusting the item

HIT (HEIGHT).

2. Adjust the CONTRAST control to the mini-

mum.

3. Call up the adjustment mode display, then

select the item BRTC.

4. Press the VOLUME

button so the

belt of vertical retrace line just disappear.

5. Adjust the CONTRAST control for the de-

sired contrast.

6. Perform the HEIGHT adjustment.

ITEM

ADJUSTMENT PROCEDURE

WIDTH

(WID)

1. Call up the adjustment mode display, then select the item WID.

2. Press the VOLUME

button to get the picture so the left and right edges of

raster begins to lack.

3. Press the VOLUME

button to advance the data by 7 steps.

Note : Check the horizontal picture position is correct.

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