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Hitachi 32HDT20M Service Manual page 20

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5-1. PC Color Temperature Adjustment
Preparation
(1) Make sure the PDP set has been turned on for more
than 30 min.
(2) Input WINDOW signal (window ratio 6.25%) into
RGB1 terminal at VGA (75Hz) 0.7V (No set-up).
(3) Set RESET in PC Mode Video menu of AVC20.
(4) Confirm that the Aspect Ratio is '16:9 Standard'.
(5) Turn off the set and turn it back on activating
adjustment mode.
(6) Be sure to read general notes at the start of White
Balance Adjustment.
Adjustment
(1) Perform the following adjustment with the remote
control or front panel controls.
(2) Measure the center of the display area of the PDP
panel with a CRT color analyzer.
(3) Ensure that Adjustment R/G/B DRIVE (****) are all
set at 255
(FF
).
D
H
ADJUST MODE
WHITE BALANCE
R DRIVE (****)
G DRIVE (****)
B DRIVE (****)
(4) After receiving the PC signal, lower the value of two
of the color drive codes (or only one if enough) to
adjust the Red, Green, or Blue drive levels in order to
match the readouts from the color analyzer with the
next values.
Color Temperature
Level
(K)
HIGH
9300
MEDIUM
7500
STANDARD
6500
Where:
K: Kelvin
x,y: MPCD Chromaticity Chart coordinates.
±0.005 tolerance.
NOTES:
1 - PC W/B or color temperature Adjustment signal.
100%
25%
of
of
V size
V size
100% of H size
Recommended equipment: VG-823 Digital Video Generator.
2- Recommended Equipment: Minolta CRT color analyzer,
Model No. CA-100.
BACK TO ADJUSTMENTS
NOTE 2
FF
FF
FF
Chroma Coordinates
x
y
0.285
0.294
0.301
0.314
0.314
0.327
BLACK
WHITE
25% of H size
5-2. Video Color Temperature Adjustment
Preparation
(1) Make sure the PDP set has been turned on for more
than 30 min.
(2) Input FULL white raster composite signal into VIDEO
NOTE 1
2 input terminal, with the next settings.
Video level: 0.714Vp-p
SYNC: 0.286Vp-p
Set-up level: 0V
(3) Under 'Video' menu, - 'Picture Mode' - 'Sports', press
RESET to return video user controls to default
settings.
(4) Activate adjustment mode by following 1-1 "How to
get to adjustment mode" procedure.
(5) This adjustment should be done after PC color
temperature adjustment.
(6) Be sure to read general notes at the start of white
balance adjustment.
Adjustment
(1) Perform the following adjustment with the remote
control or front panel controls.
(2) Measure the center of the display area of the PDP
panel with a CRT color analyzer.
(3) Ensure that Adjustment R/G/B DRIVE(****) are all
set as 255
ADJUST MODE
WHITE BALANCE
R DRIVE (****)
G DRIVE (****)
B DRIVE (****)
(4) After receiving the White Raster Video signal, lower
the value of two of the color drive codes (or only one
if enough) to adjust the Red, Green, or Blue drive
levels in order to match the readouts from the color
analyzer with the next values.
Color Temperature
Level
HIGH
MEDIUM
STANDARD
* 32HDT20 - 9300K
42HDT20 - 9200K, x=0.285, y=0.298
Where:
K: Kelvin
x,y: MPCD Chromaticity Chart coordinates.
±0.005 tolerance.
48
PT2-E/G AVC1-U
NOTE 2
(FF
).
D
H
FF
FF
FF
Chroma Coordinates
(K)
x
y
9300*
0.286
0.291
7500
0.301
0.314
6500
0.314
0.327

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