Sharp LC-C4655U Service Manual - Page 33

8. Adjustment of white balance 8.1. White balance adjustment LC-C4655U Adjustment item Adjustment conditions Adjustment procedure 1 Setting For detailed adjustment procedure, refer to "Kameyama Model Integral Monitor WB Adjustment Specifications V1.6". 1) Make the following settings for the set. AV MODE: [DYNAMIC] Backlight: +16 Active Backlight: OFF Aging time: Min. 60 minutes 2) Connect the white balance adjustment tool to the set. 2 Automatic adjust- [Command] [Adjustment procedure] ment execution Process mode 1) Using the remote controller, transmit the "monitor adjustment process" code. KRSW0001 2) Set the 6th point to the specified gradation level. With the strongest color being fixed, KKT10037 turn down the R, G and B settings to their reference levels. 3) Set the 5th point to the specified gradation level. Correct the G setting (784 x 6th- Setting point G setting / 928) (rounded off), and make the R and B settings to their reference KYOF0000 levels. OSDS0001 SBSL0016 4) Set the 4th point to the specified gradation level. Correct the G setting (580 x 6thpoint G setting / 928) (rounded off), and make the R and B settings to their reference levels. Multi-point adjustment 5) Set the 3rd point to the specified gradation level. Correct the G setting (420 x 6th- mode point G setting / 928) (rounded off), and make the R and B settings to their reference MSET0001 levels. 6) Set the 2nd point to the specified gradation level. Correct the G setting (284 x 6th- point G setting / 928) (rounded off), and make the R and B settings to their reference levels. 7) Set the 1st point to the specified gradation level. Correct the G setting (184 x 6th- Point 6 point G setting / 928) (rounded off), and make the R and B settings to their reference WBI60928 levels. MG6G**** 8) With the MSET0003 command, write the adjustment values and turn off the AC MG6B**** power. MG6R**** * Initial R, G and B settings at point 6: Gradation level set at 928 * Initial R, G and B settings at points 1 thru 5: Corrected G setting at each point Point 5 (This is because the adjustment is made to achieve the same remainder of RGB setting / WBI50784 4 at each point.) MG5G**** MG5B**** [Adjustment value] •As per the "standard set" submitted by Engineering Department Teaching set MG5R**** [Adjustment reference] Instrument: Minolta CA-210 Engineering instrument Point 4 WBI40580 MG4G**** MG4B**** MG4R**** Point 3 WBI30420 MG3G**** MG3B**** MG3R**** Point 2 WBI20284 MG2G**** MG2B**** MG2R**** Level Point 6 928 Point 5 784 Point 4 580 Point 3 420 Point 2 284 Point 1 184 Note Reference Adj. spec X=0.272 ±0.0010 y=0.277 X=0.272 ±0.0010 y=0.277 X=0.272 ±0.0015 y=0.277 X=0.272 ±0.0020 y=0.277 X=0.272 ±0.0030 y=0.277 X=0.272 ±0.0040 y=0.277 Set conditions for inspection AV MODE: [DYNAMIC] (Reset) Monochro: ON Active Contrast: OFF Aging Time: Min. 60 minutes Ins. spec ±0.002 ±0.002 ±0.003 ±0.004 ±0.006 ±0.008 Point 1 WBI10184 MG1G**** MG1B**** MG1R**** Writing MSET0003 5 - 14