Atec AV32OPD, Service Manual

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5
1)
ern (The pattern type is shown in the
following figure and the caution should be used not to confused with 75% color bar which is a similar pattern) and
the level of output should be precisely adjusted within 0.7±0.1Vp-p).
. AD9883A-Set adjust
Introduction
Analog Adjustment for AD9883A-Set => This is a function for the optimal level of black and gain to be
automatically set from digital converter and RGB variation to be adjusted.
2) Used Equipment
Pattern Generator(capable of generating 720P Vertical 100% Color Bar Patt
<Figure 1> Adjustment Pattern: 720P Vertical Color Bar>
3) Adjustment Method
① Input 100% Vertical Color Bar Pattern (TVBAR_100) in 720P Mode which may be supported for Component
input, and then select Component1 or Component2 for input and “STANDARD” for image.
② Wait for more than a second after receiving signal and press S.SELECT on adjustment R/C (Service remote
controller) while selecting “WB Adjust” for automatic adjustment.
③ In case of abnormal adjustment, perform the re-adjustment after confirming Patter or adjustment condition.
6. Remote o AL/SE
④ When adjustment is done, exit the adjustment mode pressing S.SELECT.
C ntroller (P CAM)