Wednesday, October 10, 2012

LG - DS-325B_DX-325B_ DATA PROJECTOR_SERVICE MODE & ADJUSTMENTS



COLOR WHEEL INDEX, DMD CONTRAST & BRIGHTNESS ADJUSTMENT @ RGB SOURCE


  • Switch Timing to '1024x768 @ 60Hz'
  • Turn ON the OSD screen, and into the "Lamp Hour reset Page"
  • Press {Enter => Enter => Up => Down => Left => Right}
  • In the Service Mode.
  • Switch to the Pattern 48 "Gray Scale"
  • Select "CW INDEX DELAY TIME"  The adjustment range is (0 ~ 719)
  • Switch the Pattern 47 "Gray scale".  Fine tune, until gray scale still distinct.  Decrease the color to minimum.  Then switch pattern 48 "32 Gray Scale", tune of G, B channel, check the smooth in brighter level of R 32 ramp.  If not, fine tune "CW INDEX" delay time until R 32 ramp smooth.
  • Brightness and Contrast need to measure with RGB source.
"1024x768 @ 60Hz"




COLOR BOARDER ADJUSTMENT

  • Adjust the hexagonal screw in order to right and left side color boarder disappeared.  {Enable just disappearing of left side color boarder in the full white pattern}

Adjust the hexagonal screw in order to Up and Down side color boarder disappeared.  By the color boarder is margin value on the down side of full white pattern.  {Enable just disappearing of the down side color boarder in the full white pattern}
  • Adjust Lamp Module angle to set the maximum brightness measured by CL200
  • Loose the fixed screw, CL200 is putted on the left corner of the screen ; when full set is putted upside down; to adjust the screw get the highest luminance value then fix the screw.




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