Adjustment preparationAdjustment procedure
(1) Start adjustment after the power is turned on for(1) Go to OSub Brightness� adjustment in I2C
20 minutes or more.ADJUST mode (press Input and Power button
(2) The vertical incident illumination on the screenon Control panel at same time), using thumb
should be 20 lux or less. (Room should be dark).stick ;% and then thumb stick .
(3) Set the video settings (CONTRAST: max,(2) Then adjust OSub Brightness� using thumb stick
others: center) to standard condition.;% to increase or decrease the value,
(4) The blue defocus and cut off adjustments shouldaccording to figure. (Visually adjust).
be completed.(3) After adjustment, press MENU button to exit I2C
(5) For low light white balance adjustment, input aADJUST mode. (Data is stored in memory).
white raster signal level of 0.286 Vp-p (Video
input level).
Note: When selecting SUB-BRIGHTNESS mode the
(6) For high light white balance adjustment, input a
microcontroller sets the CONTRAST and
white raster signal level of 0.715Vp-p (Video
COLOR to MIN. automatically, but make sure
input level).
that the other conditions are center.
(7) Set the drive adjustment VRs (red and green) to
Directly observe the screen by eye without using
12 - 2 oOclock position.
a mirror.
(8) Set Video Advanced Settings-Color Temp-
erature to COOL.
Adjustment procedure
(1) Select the input signal for high brightness (V6#&-$$A"GJh"CDHQ$ideoE"KJDJ"C$HOgLKDMFCD$
level = 0.715Vpp).
(2) Adjust the high brightness white balance usingAdjustment preparation
the drive adjustment VRs (red, green).(1) The set should face East or West.
(3) Select the signal for low brightness (Video level(2) Set video conditions to factory preset.
= 0.286Vpp)(3) DIGITAL CONVERGENCE adjustment should
(4) Adjust the low brightness white balance usingbe finished. (Progressive mode and HD mode).
the screen adjustment VRs (red, green, blue).
(Visually adjust).Adjustment procedure
(5) Check that high brightness white balance is still
PROGRESSIVE MODE
obtained. If it is not, return to step (2).
(1) Receive circle pattern signal.
NOTE: When adjusting low level white balance, turn the
(2) Go to I2C Adjustment mode by pressing INPUT
screen VRs counterclockwise. The cut-off
and POWER button on control panel at the
adjustment should already be completed and
same time.
the screen VROs should not be increased past
(3) Choose H. POSI item by using thumb stick ,.
the level set at cut-off. Since the
(4) Adjust HOR. POSITION as following by using
phosphorescent surface of the CRT is likely to
thumb stick ,.
be burned, be careful.
White balance =10800! K ? 0 MPCD
Color coordinate = x �� 0.278
y �� 0.280
6#&($)LN$NGJVIDCFKK$HOgLKDMFCD
Adjustment preparation
(1) Start adjustment after the power is turned ON
for 20 minutes or more.
(2) Receive the color bar signal.
(3) Set video conditions to factory preset.
(4) The vertical incident illumination on the screen
should be 20 lux or less. (Room should be dark).Spec: Balance Left/Right side display position
for H. position. H. size marker 0.7~1.5.
W
Y CY G MG R BL75%
A7 A6 A5 A4 A3 A2 A1
B
C
Should sink
D
to black
Should rise
Q I W 100% BLK
slightly from
black
Z^ |
ACEC
HITACHI
