08-19-2022, 07:35 PM 
		
	
	
		That's a clock issue.  That would be something to do with the crystal, but more likely either a solder bridge on a pin (or bad chip) associated with the U29, U30, U31, or U32.  It could also be Q7 installed backwards I suppose.
What monitor are you trying to use? Is this PAL or NTSC?
	
	
	
	
What monitor are you trying to use? Is this PAL or NTSC?

