LG BS254, Service Manual

Page: 57 / 86

Delta Elec. Inc. BS254_BX254_BX324 rev.06
Company Confidential LG ______________________ Delta____________
57
2011/06/16
6-2. Calibrate Analog YUV
Equipment: VG828, must be take off H/V sync terminal from machine
.
Step 1
：
In Service Mode select ADC Calibration - YUV. In this menu input pattern with 75
﹪
SMPTE
pattern for calibrate YUV Source and notice that the input source must be 480i format
。
After input ready press “Enter” or “Right” key to proceed
。
Input Pattern
Step 2 : After complete the OSD will show the picture as follow, if not complete, just close the OSD
。
NOTE: You can select Calibration Status – VGA or Calibration Status – YUV item to watch the calibrated
value at any time
。