ELECTRICAL ADJUSTMENTS
ITEMADJUSTMENT PROCEDURE
FOCUS VR ADJ1. 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.
SUB-BRIGHTNESS1. Set CONTRAST to minimum, and
(BRTC)BRIGHTNESS to center by adjusting user
controls.
Note: Constrict the picture height2. Set the TV in service mode to get Black
GENERAL ADJUSTMENTSuntil the vertical retrace linecross-bar of inside pattern.
appears adjusting the item3. Select BRTC (brightness correction), and
HIT (HEIGHT).adjust the ; � /+ button to reduce the
value so that white portion of inside pat-
tern slightly light.
4. Adjust ; � /+ button to increase the data
value of BRTC, and set it just before the
difference between the belt of vertical re-
trace and the border of black portion ofBelt of vertical retrace
inside pattern is visible.
After that, return vertical height and con-
trast.
HORIZONTAL POSITION1. Set the TV in service mode, and get
SPECIFIC INFORMATIONSADJUSTMENT (HPOS)black cross-bar signal with VIDEO
button on remote hand unit.
2. Select either HPOS (Horizontal pic-
VERTICAL POSITIONture phase) or VPOS (Vertical picture
ADJUSTMENT (VPOS)phase) with CHANNEL s, t buttons,
and adjust horizontal or vertical pic-
ture position in the center of screen
with VOLUME ; � /+ buttons.
VERTICAL AMPLITUDE1. Set the TV in service mode, and get
ADJUSTMENT (HIT)black cross-hatch signal with VIDEO
button on remote hand unit.
2. Select HIT (Vertical amplitude) withThe first
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 � |
ACEC
