Hitachi 32HDL51M, Service Manual

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32
PLC1/AVC5-UB
PC color temperature adjustment (HIGH)
-Preparation
(1) This adjustment should be done after video color temperature adjustment.
(2) Confirm that it’s set as factory adjustment mode.
(3) Input white raster.(RATIO:100%)into RGB terminals at VGA(75)
0.7V (No set-up).
(4) Set AVC to shipment condition.
(5) Confirm that the screen size is ‘FULL’.
-Adjustment
(1) Perform the following adjustment with the remote control.
(2) Set color temperature to HIGH.
(3) Make sure that Adjustment of R/G/B DRIVE (HIGH) data are all set at FF.
(4) Then by the remote control, use cursor left to decrease and cursor right to
Increase the value data following x and y value show below :
At least one of the data should be FF
Write Adjustment of x and y data value of video color temperature to the following :
Video Color Temperature PC Color Temperature
R/G/B DRIVE(MEDIUM) Data R/G/B DRIVE(MEDIUM) Data
R/G/B DRIVE(STD) Data R/G/B DRIVE(STD) Data
R/G/B DRIVE(B/W) Data R/G/B DRIVE(B/W) Data
Color temperature correction setting
This setting should be done after color temperature adjustment.
(1) Set service adjustment menu to DEVICE ADJUST MODE-LCD .
(2) Reset WBC to
2 .
Specification
PC Color temperature (HIGH)
x = 0.268 0.005
y = 0.283 0.005
-Remarks
(1) Color temperature should be adjusted under the condition in which the screen
is the brightest, thus the initial value for adjustment is set 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.