Always wear safety glasses when working near an exposed video picture tube.
7. Press the laser fire button to bring on the second diagnostic test (color bar pattern).
a. Turn up each color balance control in turn, until you see that color as the background of the test pattern; then back off the control slightly, to get a black background. Adjust only one color at a time, b If necessary, adjust the color biases to bring up the color intensities Adjust only one color at a time.
c. If the colors of the test pattern smear or blend, then the color balance or color bias controls are set too high; back them off.
8. When you finish the adjustments, put the game into the attract mode (switch 8 OFF, and resistor R3 enabled).Check the colors of the attraction display (see above, Color Monitor Adjustment, General, for description).
Was this article helpful?