(No.YA385)1-37
1125i (50Hz)
A-D OFFSET
Remote
control unit
Signal
generator
[1.ADJUST]
S001: PREPARE
(Adjustment setting mode change)
S013: HD CB OF(1125i Cb offset)
S014: HD CR OF(1125i Cr offset)
S030: R DRIVE(Red drive)
S031: G DRIVE(Green drive)
S032: B DRIVE(Blue drive)
(1) Receive a 1125i (50Hz) 30% all white pattern
signal.
(2) Set PICTURE MODE to "
STANDARD
".
(3) Set ZOOM to "
FULL
".
(4) Set COLOUR TEMP. to "
NORMAL
".
(5) Select "
1.ADJUST
" from the SERVICE MODE.
(6) Set
< S030 >
(R DRIVE),
< S031 >
(G DRIVE)
and
< S032 >
(B DRIVE) to "
128
".
(7) Set
< S001 >
(adjustment setting mode change)
to "
13
" and it changes to the 1125i A-D offset
adjustment setting mode.
(8) Adjust
< S013 >
(1125i Cb offset) to minimize
the blue noise in the upper half of the screen.
(9) Adjust
< S014 >
(1125i Cr offset) to minimize
the red noise in the upper half of the screen.
(10) Set
< S001 >
to "
0
" and it changes to the normal
mode.
(11) Press the
[MUTING]
key to memoirze the set
value.
SUB SCREEN
A-D OFFSET
Remote
control unit
Signal
generator
[1.ADJUST]
S001: PREPARE
(Adjustment setting mode change)
S016: RT CB OF
(Sub screen Cb offset)
S017: RT CR OF
(Sub screen Cr offset)
S030: R DRIVE(Red drive)
S031: G DRIVE(Green drive)
S032: B DRIVE(Blue drive)
(1) Set PICTURE MODE to "
STANDARD
".
(2) Set ZOOM" to "
FULL
".
(3) Set COLOUR TEMP. to "
NORMAL
".
(4) Set MULTI SCREEN to "
2 pictures
".
(5) Receive a PAL 30% all white pattern signal on
the Right screen. At the same time, set the Left
screen in VIDEO-1 mode (No signal).
(6) Select "
1.ADJUST
" from the SERVICE MODE.
(7) Set
< S030 >
(R DRIVE),
< S031 >
(G DRIVE)
and
< S032 >
(B DRIVE) to "
128
".
(8) Set
< S001 >
(adjustment setting mode change)
to "
16
" and it changes to the sub screen A-D
offset adjustment setting mode.
(9) Adjust
< S016 >
(Sub screen Cb offset) to
minimize the blue noise in the upper half of the
screen.
If you select an adjustment item < S016 >,
then the screen automatically turn to twin
pictures mode.
(10) Adjust
< S017 >
(Sub screen Cr offset) to
minimize the red noise in the upper half of the
screen.
(11) Readjust
< S016 >
and
< S017 >
to set the
upper half of the screen to be the blackest.
(12) Set
< S001 >
to "
0
" and it changes to the normal
mode.
(13) Press the
[MUTING]
key to memoirze the set
value.
Item
Measuring
instrument
Test point
Adjustment part
Description
Minimize the red and blue noises in
the upper half of the screen.
VIDEO-1
<NO SIGNAL>
TV(RF)
<30% all white>
Minimize the red and blue noises in
the upper half of the screen.
