AOC L20W451T, Service Manual

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20” LCD TV AOC L20W451T
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Fig.2
Fig.3
③
PC Mode White Balance Adjustment
Begin to adjust the W/B (White Balance) you should select the Color Temp(Warm and Cold) and enter the son
menu from father menu “Scaler” refer to Fig.2 and Fig.3.
Set channel color temperature value and brightness on Chroma7120.Set 303 319 350(warm Temp) on CH3 and
278 289 350(cold Temp) on CH4.Press MODE key on Chroma7120 to switch xyY mode.
Use black sleeve on Chroma7120’s lens to ensure no external ray. Set Pattern104 on Chroma2225.Adjust
SCALAR RB
、
GB
、
BB value to make sure the brightness is the lowest, then set Pattern105 on Chroma2225 and
adjust RG
、
GG
、
BG value to make the value displaying on Chroma7120 is about 100.Press “Save” to save. Switch
to CH4, select cold Temp and then adjust it according to above method. Press “Save” to save.
④
AV MODE W/B ADJUSTMENT
Begin to adjust AV/COMPONENT YPbPr(480I/576I)/COMPONENT T-scaler(480P/720P/1080I) /HDMI W/B,
their Color Temp modes refer to Fig.4/5/6/7
Fig.4