P A G E 0 8-22
A D J U S TING THE RED, GREEN AND BLUE WHITE B A L A N C E A N D T R A C KING
for DP-85 Chassis
Note: When Vertical is collapsed, make adjustments quickly because the image can burn on the CRTs phosphors.
White balance adjustment
1) Screen adjustment
2) High brightness white bal-
ance
3) Low brightness white bal-
ance
Adjustment VRs:
Screen adjustment VRs on Focus
Block
Drive adjustment VRs on CRT P.
W.B.
Red Drive = R829R
Green Drive = R879G
Preparation for adjustment
1 ) S t a r t a d j u s t m e n t 2 0 m i n-
utes or more after the
p o w er is turned on.
2 ) Turn the brightness and
black level O S D t o m i ni-
m u m b y r e m o t e c o n t r o l .
3 ) Receive a tuner signal, (any
channel, B/ W w o u l d be
best).
4 ) Set the drive adjustment
V R s ( R e d R 8 2 9 R a n d G r e e n
R 8 7 9 G) to their mechanical
c e n t e r s .
Adjustment procedure
1)
G o t o I
2
C A D J . M o d e .
( W i t h
p o w e r O N , p r e s s D T V / S A T
and Cursor Do w n b u t t o n s
at the same time. Service
Menu is displayed.)
2 ) C h o o s e S E R VI C E i t e m
Number
[1]
of I
2
C A D J .
M o d e.
(Select ON by Cur-
sor Right and the Vertical
will collapses).
3 ) Gradually turn the screen
a d j u s t m e n t V R s (red, green,
blue) clock w i s e a n d s e t
t h e m w h e r e the red, green
and blue lines are equal and
just barely visible.
4 ) Return Service i t e m o n I
2
C
A D J t o O f f b y C u r s o r R i g h t .
Number
[1]
.
A d j u s t t h e S u b B r i g h t n e s s
Number
[2]
SUBBRT
u s i n g
I
2
C B u s a l i g n m e n t p r o ce-
dure so only the slightest
white portions of the raster
c a n b e s e e n .
Continued on Next Page
5 ) Input a gray scale signal
Projection Front View
R
G
B
R
G
B
Screen VR
Focus VR
FOCUS PACK
RED CRT
GREEN CRT
BLUE CRT
Screen VRs
Focus VRs
W
Y
CY
G
MG
R
BL
A7
A6
A5
A4
A3
A2
A1
75%
B
D
Q
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.
