Service Manual
Adjustments, Audits and Diagnostics
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10 T Asset Acquisition Company, LLC
Page 30
Main Menu
System Tests Menu
Screen Tests Menu
Color Adjustment
This color bar screen of gray, yellow, cyan, green, magenta, red and blue helps identify missing colors.
Missing color bars may indicate bad video RAM in the PC, or a problem with the monitor.
Color bars can also help
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Peak the brightness and black levels
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Balance red, green and blue drives
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Check purity problems (color contamination)
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Compensate for barrel or pincushion distortion
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Adjust size controls
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Test for video noise sources (such as bad cables)