Hitachi P50H401/DW3, Service Manual

Page: 48 / 125

47
5.3 VIDEO COLOR TEMPERATURE ADJUSTMENT
(STD)
Preparation
(1) Same as “Video Color Temperature adjustment:
(HIGH)”.
Adjustment
(1) Perform the following adjustment with the remote
control.
(2) Set the CRT color analyzer (CA-100) at the center of
the panel.
(3) Set color temperature to “STD”.
(4) Ensure that Adjustment R/G/B DRIVE (STD) are all
set as FF.
(5) After receiving White raster signal, step down the two
(or one) among Adjustment R/B/G DRIVE (STD) and
adjust the value shown below.
Software Version
Specification
Video Color temperature (STD)
x = 0.314
±
0.005
y = 0.323 ± 0.005
(
Color temp
:
6500K
)
6 DIGITAL MAIN CHECK
6 .1
SYSTEM SOFTWARE VERSION CHECK
Pl
ease Insert MMC card
ove Return
(5) The upgrading process begin by filling a
bar, when finish the message will say,
“Upgrade complete …” when this appear
unplug the TV from the AC line outlet to
complete the process.
(6) Now plug again the TV and verify the
new software version.
(7) The Main software version will display the
latest version issue by design.
NOTE:
(
1
) In case that the upgrade fails or when a
CARD is inserted with new version and
can’t upgrade ; please perform the
FACTORY RESET
process to the TV,
then try upgrading again.
(1) Press Menu button on the R/C or control
panel.
(2) Enter the SETUP options, and then look
f
or UPGRADES option.
(3) The Main software version will be display
V
xxx
.
xxxx
as
shown
o
n Fig. 1.
(4) If this version needs to be change for a
design
improvement or failure, please
select the Upgrade
Now button
after inserting MMC/SD card.
Fig. 1
BACK TO ADJUSTMENTS
Reset The Software
Setup
Move SEL Return
Software Version # : Main Vxxxx.xxxx
MMC Software Upgrade
Upgrade Now
Please Insert MMC card before upgrading.
Reset TV Settings
No Yes
OR
(Select "Yes" to return all settings to the factory
default after main power OFF/ON.)
At least one of the data should be FF.
(1) Color temperature should be adjusted under the
condition in which the screen is the brightest, thus
the initial value for adjustment is set to its maximum.
(2) Adjustment is made by reducing brightness only.
Reduce a bright color for adjustment.
(3) Video color temperature & Adjustment No. are the
same, but addresses in the memory are different,
thus there’s no problem.
Remarks
DW
3
U