1-54 (No.52169)
WHITE
BALANCE
(HIGH-LIGHT)
Remote control
unit
Signal generator
[1. PICTURE/SOUND]
S13: RDRV (R DRIVE)
S15: GDRV (G DRIVE)
S17: BDRV (B DRIVE)
S19: CUTR (R CUTOFF)
S21: CUTG (G CUTOFF)
(1) Input NTSC 75% all-white signal.
(2) Set "VIDEO STATUS" to STANDARD.
(3) Set "ASPECT" to FULL.
(4) Select "COLOR TEMPERATURE" to LOW.
(5) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(6) Fix one of < S13 >(R DRIVE), < S15 >(G DRIVE),
or< S17 >(B DRIVE). Adjust two that are not fixed so
that the all-white screen is equally white throughout.
Set one of them to "255".
(7) Check that white balance is properly tracked from
lowlight to highlight .
(8) Press the [MUTING] key to memorize the set
values.
(9) Input 525i 75% all-white signal.
(10) Repeat steps (5) ~ (8).
(11) Input HD (1125i) all-white signal.
(12) Repeat steps (5) ~ (8).
OSD OFFSET
Remote control
unit
[6. DD/CM]
DDT01: (NO DISPLAY)
(Picture control mode sw)
[1. PICTURE/SOUND]
F49: (NO DISPLAY)
(OSD G offset)
F50: (NO DISPLAY)
(OSD B OFFSET)
F51: (NO DISPLAY)
(OSD R OFFSET)
(1) Input a picture whose signal (synchronization state)
is stable.
(2) Set "VIDEO STATUS" to STANDARD.
(3) Set "ASPECT" to FULL.
(4) Select "COLOR TEMPERATURE" to LOW.
(5) Select "6.DD/CM" from the SERVICE MODE.
(6) Set < DDT01 > (Picture control mode sw) to "001" to
set OSD adjustment mode.
(7) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(8) Adjust < F49 > (OSD G offset), < F50 >(OSD B
OFFSET), and < F51 > (OSD R OFFSET) so that
OSD background is in the same color as its sur-
roundings. When the background is in green, fix <
F49 > (OSD G offset) and adjust the other two.
When the background is in blue, fix < F50 > (OSD B
OFFSET) and adjust the other two. When the back-
ground is in red, fix < F51 > (OSD R OFFSET) and
adjust the other two.
(9) Press the [MUTING] key to memorize the set
values.
(10) Display the MODE and check that there is no noise
such as horizontal noise. If noise is detected, lower
< F49 > (OSD G offset), < F50 > (OSD B OFFSET),
and < F51 > (OSD R OFFSET) by one level so that
no noise is detected.
(11) Select "6.DD/CM" from the SERVICE MODE.
(12) Set < DDT01 > (Picture control mode sw) to "000" to
cancel OSD adjustment mode.
Fig.9
Item
Mesuring
instrument
Test point
Adjustment part
Description
Adjust so that background in this part is in the
same color as its surroundings.
F49
128
Содержание PD-42WV74
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