Hitachi 50PD9800TA Service Manual page 26

Video Color Temperature Adjustment (Cool)
Item
Adjustment Preparations
(1)
Set the signal generator output as All White.
(2) Component signal (480i)
Video level : 0.700Vp-p
Sync level : 0.300Vp-p
Setup level : 0V
(3)
Picture Menu is set as [RESET].
Picture Mode : Dynamic
(4) Confirm that the mode is set as Factory
Adjustment mode.
Video Color Temperature Adjustment (Normal)
Item
Preparation
(1) Set signal generator output as
All White (Window ratio: 100%).
(2) Component signal (480i)
Video level : 0.700Vp-p
Sync level : 0.300Vp-p
Setup level : 0V
(3)
Check that Picture Menu is set as [RESET]
mode.
Picture Mode : Dynamic
(4)
Set into Factory Adjustment mode.
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50PD9800TA (FW1)
(1)
(2)
(3)
(4)
(1)
(2)
(3)
(4)
26
Adjustment Procedures
Perform the following adjustment with the remote
control
Set the CRT color analyzer (CA100) at the center
of the panel.
Ensure that the service adjustment
menu (Main (2)) No. 0, 1, 2, are all set as 255.
(To display Main(2) menu, press "OK" button in
Main(1) menu. No.599.)
After receiving the video signal, step down the two
(or one) among adjustment No. 0, 1, 2 and adjust
the values as shown below.
Note)
At least one of the data shoud be 255.
Specification
Video color temperature (Cool)
x=0.272±0.005
y=0.277±0.005
Procedure
Perform the following adjustment with the remote
control.
Set the CRT Color Analyzer (CA-100) at the center
of the panel.
Ensure that service adjustment
menu (Main(2)) No. 3, 4, 5 are all set as 255.
After receiving the video signal, step down
the two (or one) among adjustment No. 3, 4, 5 and
adjust the values as shown below.
(Note)
At least one of the data should be 255.
<Specification>
Video color Color temperature (Normal)
x=0.285 0.005
y=0.293 0.005