Alignment & Adjustment
3-14
Samsung Electronics
3-4-3 CCA Adjustment Service Methods
: CCA Adjustment is needed after changing a light engine or digital board
■
CCA : In DLP TV, even the same RGB color may differ depending on the light engine. CCA (Color Coordinate Adjustment)
corrects the color to achieve the color accuracy. CCA performs color correction after measuring and inputting the current
light engine's data on actual color coordinates for displayed Red, Green, Blue, and White color patterns, using a color
coordinate measuring equipment.
At this moment, color correction is performed on the basis of previously inputted Desired Color Coordinates and
Measured Color Coordinates. Measured Data on Service Engine's color coordinates is presented on the CCA label.
Input the label values to perform CCA color correction.
1. Condition of the CCA Label upon Receipt of the Service Engine
*
"CCA LABEL" describes the measured color coordinates on the light engine.
2. CCA Service Procedures
To execute CCA adjustment , perform the following steps :
1) Turn off the power to put the unit into the STAND-BY mode.
2) In order to enter the Service Mode, Press "Mute"
→
"1"
→
"8"
→
"2"
→
"POWER"
button on the Remote Control.
3) From the Factory Service Mode Menu; select SERVICE > CCA.
4) Switch the CCA OFF.
5) Enter the CCA Red, Green, Blue and White basic engine data to the DLP.
6) Input the D-White-x, y values in the coordinates per destination. (if necessary)
7) Select WB SPREAD, then press Enter to activate the WB Spread SET ensuring that
you adjust until you get the OK sign. After adjusting, exit Factory Mode.
8) When the adjustment is complete, check the picture quality.
*
Attention
Performing CCA is independent on current display's resolution and input signal type if you
don't measure color coordinates data.
Measuring color coordinates data requires specific equipment not possessed by service per
sonnel, that makes performing manual adjustment impossible. Adjusting CCA is applied to all the signal mode.
Don't change Desired value because it will be hamful to the color of the SET.
CCA Menu in FACTORY Mode
CCA ON/OFF
Red - x :
???
Red - y :
???
Red - Y :
???
Green - x :
???
Green - y :
???
Green - Y :
???
Blue - x :
???
Blue - y :
???
Blue - Y :
???
White - x :
???
White - y :
???
White - Y :
???
WB SPREAD
Move HDMI
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