Hitachi 42PMA300EZ, Service Manual

Page: 22 / 71

21
42PMA300EZ (PW1A)
Item
Adjustment Preparations
Set the output of signal
generator to white raster.
(Ratio:100%)
Component signal (480i)
Video level:0.714Vp-p
SYNC:0.286Vp-p
Set-up level:0V
Set Picture MENU to
[RESET].
Set into Factory adjustment
mode.
(1)
(2)
(3)
(4)
(1)
(2)
(3)
(4)
Perform the following adjustment with
the remote control.
Set the CRT color analyzer (CA100)
at the center of the panel.
Ensure that adjustment No. 0, 1, 2
are all set as 224.
After receiving Video signal,
step down the two (or one) among
adjustment No. 0, 1, 2 and adjust
the value as shown below.
At least one of the data should be 224.
< Specification >
Video color temperature (Cool)
x=0.268±0.005
y=0.283±0.005
(Color temp:12000°K±10MPCD)
Color temperature should
be adjusted under the
condition in which the
screen is the brightest, thus
the initial value of
adjustment is it’s maximum
value.
Only reducing the brightness
controls the adjustment,
thus weaken the brighter
color to adjust.
Color temperature is at
Cool mode while the
following No. is selected.
Adjustment No. 00, 01, 02.
Adjustment Procedures
Adj. point I
2
C
Remarks
Video Color Temperature Adjustment (Cool)