Electrical Adjustments - Toshiba 36ZP18P Service Manual

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ITEM
FOCUS VR ADJ
SUB-BRIGHTNESS
(BRTC)
Note: Constrict the picture height
until the vertical retrace line
appears adjusting the item
HIT (HEIGHT).
HORIZONTAL POSITION
ADJUSTMENT (HPOS)
VERTICAL POSITION
ADJUSTMENT (VPOS)
VERTICAL AMPLITUDE
ADJUSTMENT (HIT)

ELECTRICAL ADJUSTMENTS

ADJUSTMENT PROCEDURE
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.
1. Set CONTRAST to minimum, and
BRIGHTNESS to center by adjusting
user controls.
2. Set the TV in service mode to get white
cross-bar of inside pattern.
3. Select BRTC (brightness correction),
and adjust the ; – /+ button to reduce
the value so that white portion of inside
pattern slightly light.
4. Adjust ; – /+ button to increase the
data value of BRTC, and set it just
before the difference between the belt of
vertical retrace and the border of black
portion of inside pattern is visible.
After that, return vertical height and
contrast.
1. Set the TV in service mode, and get
black or white cross-bar signal with
VIDEO button on remote hand unit.
2. Select either HPOS (Horizontal
picture phase) or VPOS (Vertical
picture phase) with CHANNEL s, t
buttons, and adjust horizontal or
vertical picture position in the center
of screen with VOLUME ; – /+
buttons.
1. Set the TV in service mode, and get
black or white cross-hatch signal
with VIDEO button on remote hand
unit.
2. Select HIT (Vertical amplitude) with
CHANNEL s, t buttons, and adjust
vertical amplitude with VOLUME
; – /+ buttons so that vertical am-
plitude lacks a little.
3. Adjust vertical amplitude with VOL-
UME ; – /+ buttons so that the first
bar on cross-hatch signal touches
edge of screen.
– 10 –
Belt of vertical retrace
The first

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