Friday, April 19, 2013

SAMSUNG - PS42Q91HX – PS50Q91HX – PDP TV - WHITE BALANCE ADJUSTMENT


WHITE BALANCE CALIBRATION
If picture color is wrong, do calibration first.
Execute calibration in Factory Mode
  1. Source : VIDEO
  2. Setting Mode : PAL Video (MODE : #2)
  3. Pattern : Pattern #24 (Chess Pattern)
  4. Use Equipment : K-7256 or Equipment of equality level.
  5. Work order
  • Enter by Factory Mode select "1. CALIBRATION".
  • Select "AV CALIBRATION" again in CALIBRATION MENU.
  • After Completing Calibration, come out "Av success". OSD on the screen (bottom-side) for about 3 seconds.
  • Source AV : PAL composite, Component : 1280*720/60Hz PC : 1024*768/60Hz.
WHITE BALANCE ADJUSTMENT
  • If picture color is wrong, check White Balance condition.
  • Equipment : CA210, Patten : Toshiba
  • Adjust W/B in Factory Mode
  • Sub brightness and R/G/B Offset controls low light region
  • Sub contrast and R/G/B Gain controls high light region
  • Source AV : PAL composite, Component : 1280*720/60Hz, HDMI[DVI] : 1280*720/60Hz
[ Test Pattern : MSPG-945 Series Pattern #16 ]
Color temperature [1500K +/-500, -6 ~-20 MPCD]
Color coordinate [H/L : 270/280 +/- 2 L/L : 270/280 +/- 3, 2.1 Ft +/-0.05 Ft]
CONDITIONS FOR MEASUREMENT
On the basis of toshiba ABL pattern : High Light level (57 IRE)  INPUT SIGNAL GENERATOR : MSPG-925LTH
Mode No 2 : 744X484@60 Hz
No 6 : 1280X720@60 Hz
No 21 : 1024X768@60 Hz
Pattern No 36 : 16 Color Pattern
No 16 : Toshiba ABL Pattern.

Optical measuring device : CA210 (FL)
Use the MSPG-925 LTH generator for model PS-42Q91H, PS-50Q91H.
ADJUSTMENT METHOD
Adjust the white balance of AV, Component and DVI Modes.
(AV →Component)
[a] Set the input to the mode in which the adjustment will be made (RF →DTV →PC →DVI).
 Input signal - VIDEO Mode : Model #2 (744*484 Mode), Pattern #16
DTV, DVI Mode : Model #6 (1280*720 Mode), Pattern #16
HDMI Mode : Model #6 (1280*720 Mode), Pattern #16
[b]  Enter factory color control, confirm the data.
[c]  Adjust the low light. (Refer to table 1, 2 in adjustment position by mode)
Adjust sub - Brightness to set the 'Y' value.
Adjust red offset ('x') and blue offset ('y') to the color coordinates.
Do not adjust green offset data.
[d] Adjust the high light. (Refer to table 1, 2 in adjustment position by mode)
Adjust red gain ('x') and blue gain ('y') to the color coordinates.
Do not adjust the green gain and sub-contrast (Y) data.
REPLACEMENTS & CALIBRATION
Click on pictures to Enlarge

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