Hitachi 42HDS52A/DW1-UB, Service Manual

Page: 42 / 149

33
DW1U
5.3 VIDEO COLOR TEMPERATURE ADJUSTMENT
(STD)
Preparation
(1) Same as “Video Color Temperature adjustment:
(HIGH)”. For 55” video level changes to 0.700Vp-p.
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.
At least one of the data should be FF.
5.4 VIDEO COLOR TEMPERATURE ADJUSTMENT
(B/W)
Preparation
(1) Same as “Video Color Temperature adjustment:
(HIGH)”. For 55” video level changes to 0.700Vp-p.
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) Ensure that Adjustment R/G/B DRIVE (B/W) are all
set as FF.
(4) After receiving White Raster signal, step down the
two (or one) among Adjustment R/B/G DRIVE (B/W)
and adjust the value shown below.
At least one of the data should be FF.
Remarks
(1) Same as “Video Color Temperature adjustment
(HIGH)”
Specification
Video Color temperature (STD)
x = 0.314
42"
±
0.005
y = 0.327
±
0.005
( Color temp : 6500K )
x = 0.314
55"
±
0.005
y = 0.327
±
0.005
( Color temp : 6500K )
Specification
Video Color temperature (B/W)
x = 0.335
42"
±
0.005
y = 0.343
±
0.005
(
Color temp
:
5400K
)
x = 0.335
55"
±
0.005
y = 0.343
±
0.005
( Color temp : 5400K )
6.
DIGITAL MAIN CHECK
6.1
SYSTEM SOFTWARE VERSION CHECK
Setup
Upgrades
Software Version # : Main V0100.0000
MMC Software Upgrade
Please Insert MMC card before upgrading.
Move Return
V
Upgarde Now
Software Ver
(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) A Service Bulletin will be sent when a
new version is issued officially to the
Service Department every time the soft-
ware version needs to be modified.
(2) 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
V0100.0000
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.
Fig. 1
BACK TO ADJUSTMENTS
6 GI