Sharp LC-19S7E-BK, Service Manual

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LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK
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2. Picture check
1）
Auto Color Adjust (B)
For CVI (YPbPr) source
General set-up:
Equipment : Quantum Data Pattern Generator 802G or 802R or 882;
Apply 576i, and the pattern TVBAR100 shown in figure 1.
Figure 1 . TVBAR100
Alignment method:
Initial Set-up
: Set Smart picture as “Standard”
Access to factory OSD first, then to enable AUTO-COLOR to get HD ADC OFFSET and HD ADC
GAIN. Check 32 Gray scales can be distinguishable
Process
~ Press MENU key
~ Press digit “
1999
” to enter factory mode (Fig. 2)
~ Press ↑ , ↓ to move curser to “AUTO COLOR ”
~ Press OK to do “ADC GAIN” and “ADC OFFSET”
~ “SAVE” and “EXIT”
Figure 2. OSD in factory mode
For PC (DSUB) source
Set Smart picture as “Standard” and apply 1024x768 @60Hz mode with 50 Black and 50 White pattern at
the factory mode
Activate AUTO-COLOR function for auto ADC offset and gain setup.
Figure
3
. 50-Black 50-White