Pac Man plus just shows random horizontal colored lines
Guys,
Another weird problem just came up. I've got a Pac Man plus that was working perfectly with new monitor until moments ago. Now it alternates between no picture at all, and a dozen or so colored horizontal lines of various thicknesses from the top of the screen to the bottom.
This is NOT a monitor problem - the picture is perfect and stable. The lines are coming from the boards. tried re-seating the chips - same outcome but lines are in different places and colors.
Where should I look for this problem on the board?
Thanks for any direction you can give me,
John
Guys,
Another weird problem just came up. I've got a Pac Man plus that was working perfectly with new monitor until moments ago. Now it alternates between no picture at all, and a dozen or so colored horizontal lines of various thicknesses from the top of the screen to the bottom.
This is NOT a monitor problem - the picture is perfect and stable. The lines are coming from the boards. tried re-seating the chips - same outcome but lines are in different places and colors.
Where should I look for this problem on the board?
Thanks for any direction you can give me,
John
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