(No.YA180)1-23
1125i
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 30% all white pattern signal.
(2) Set “VIDEO STATUS” to STANDARD.
(3) Set “ASPECT” to FULL.
(4) Set "COLOR TEMPERATURE" to LOW.
(5) Select "1.ADJUST" from the SERVICE MODE.
(6) Set < S030 > (R DRIVE), < S031> (G DRIVE)
and < S032 > (B DRIVE) to "255".
(7) Set < S001 > (adjustment setting mode change)
to set “013“ and it change to the 1125i A-D
offset adjustment setting mode.
(8) Set < S013 > (1125i Cb offset) to minimize the
blue noise in the upper half of the screen.
(9) Set < S014 > (1125i Cr offset) to minimize the
blue noise in the upper half of the screen.
(10) Set < S001 > to set “000“ and it change 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 “VIDEO STATUS” to STANDARD.
(2) Set “ASPECT” to FULL.
(3) Set "COLOR TEMPERATURE" to LOW.
(4) Set "MULTI SCREEN" to TWIN.
(5) Receive a NTSC 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 "255".
(8) Set < S001 > (adjustment setting mode change)
to set “017“ and it change to the sub screen A-
D offset adjustment setting mode.
(9) Set < 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) Set < 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. (See
Fig.9)
(12) Set < S001 > to set “000“ and it change 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.
Set the 0% block part to be brightest.
VIDEO-1
<NO SIGNAL>
TV(RF)
<30% all white>
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