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ADJUSTING
THE RED, GREEN AND BLUE WHITE BALANCE AND TRACKING
for DP-85 Chassis
Note:
When
Vertical
is collapsed,
make
adjustments
quickly
because
the image
can burn
on the
CRTs
phosphors.
5)
Input
a gray
scale
signal
into
any Video
input
and
select
that
input
using
the
INPUT
button
on the
re-
8
mote
or front
control
panel.
6)
Turn
the Brightness
and
Contrast
OSD
all the way
up.
as possible
using
the drive
whites
again.
If not OK,
adjustment
VRs (red,
repeat
steps
6 through
9.
green).
11)
Press
the
MENU
key on
#) Set the Brightness
and
remote
to Exit Service
Contrast
to minimum.
Menu.
9)
Adjust
the low
brightness
areas
to black
and white,
using
screen
adjustment
VRs (red,
green,
blue).
7)
Make
the whites
as white
10) Check
the high
brightness
w
Y
CY
G
MG
R
BL
75%
A7
A6
A5
A4
A3
A2
Al
B
D
0
I
w
100%
BLK
The background
is set to black.
perform
the adjustment
without
observing
the boundary
parts.
The background
is set to
lighter black.
SUB BRIGHTNESS ADJUSTMENT
FOR THE DP-85 CHASSIS
ALTERNATE
METHOD
ALTERNATE
METHOD:
ADJUSTMENT
PROCEDURE
USING A GENERATOR:
ADJUSTMENT
PREPARATION:
1) Go to 12C ADJ.
Mode.
{With
1)
Use the input
signal
shown
(Coarse Adjustment)
pa wer ON, press
TV/SA
T
above,
(GRAY
SCALE)
1) Start
adjustment
20 min-
and Cursor
Down
buttons
2)
Adjust
Sub Brightness
utes or more
after
the
at the same
time.
Service
Number
CZI, so that
the
power
is turned
on.
Menu
is displayed.)
points
Al
and A2 sink to
2)
Receive
a tuner
signal.
2) Adjust
Sub
Brightness
black
and A3 is slightly
3)
Set the contrast
and
color
Number
121 SUBBRT, so
visible,
using
12C Bus align-
controls
to minimum.
that
only
the brightest
ment
procedure.
4)
Set the brightness
to mini-
points
of the picture
can be
3) Press
the MENU
key to exit
mum
position
on the dis-
seen on screen,
using
12C
Service
Menu
play.
Bus alignment
procedure.
5) The room
light
should
be
3) (Also
see White
Balance
very
low.
Tra ckingl.
4) Press the MENU
key to exit
Service
Menu
PAGE
01-23
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