- If replace “Main-Board”, re-do “DDC-content” programmed & “White-Balance”.
- If replace “Power Board” only, re-do “ White-Balance”.
White balance, Luminance adjustment
Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment.
Before started adjust white balance, please setting the Chroma-7120 MEM. Channel 3 to 6500K colors, MEM. Channel 4 to 9300K colors, MEM. Channel 9 to 5700K (our 9300 parameter is x=283±28, y=297±28, Y = 200 ±20 cd/m2, 6500 parameter is x =313±28, y=329±28, Y = 230 ±20 cd/m2, and 5700 parameter is x = 328 ±28, y = 344 ±28, Y = 230 ±20 cd/m2)
How to setting MEM.channel
You can reference to chroma 7120 user guide or simple use “ SC” key and “ NEXT” key to modify x, y, Y value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust.
NO POWER
NO PICTURE [LED IS ORANGE]
CLICK ON THE CHARTS TO ZOOM[Click ß at the top left of the browser to come back]
WHITE SCREEN
INVERTER / POWER BOARD [NO POWER]
NO BACK-LIGHT
KEYBOARD
