jouststar Active member VAPS Joined Jun 18, 2003 Messages 664 Reaction score 82 Location Benton, Arkansas Dec 27, 2017 #1 Board is completely dead, what do I need to look at first? Attachments IMG_7980.jpg 305.1 KB · Views: 39 IMG_7981.jpg 287.9 KB · Views: 29 IMG_7982.jpg 291.3 KB · Views: 23
hyperneogeo Well-known member VAPS Joined Nov 16, 2011 Messages 2,432 Reaction score 562 Location MOUNTAIN VIEW, California Dec 27, 2017 #2 Verify your program roms (I see one that is uncovered) then get another known working A board and verify it isn't the A board.
Verify your program roms (I see one that is uncovered) then get another known working A board and verify it isn't the A board.
OP OP jouststar Active member VAPS Joined Jun 18, 2003 Messages 664 Reaction score 82 Location Benton, Arkansas Dec 27, 2017 #3 I did swap out the A pcb and it still is completely dead.
shoestring Active member Joined Mar 29, 2013 Messages 816 Reaction score 52 Location NSW, Australia Dec 27, 2017 #4 I agree. Verify those program roms first, especially the exposed one.
kb0jjn New member VAPS Joined Jun 25, 2011 Messages 4,104 Reaction score 46 Location Denton, Maryland Dec 27, 2017 #5 Clock circuits, without them nothing will work.
caius Well-known member VAPS Joined Oct 11, 2006 Messages 1,494 Reaction score 182 Location Salerno, Salerno Dec 28, 2017 #6 Bad 'CPS-A01' ASIC can cause also a black screen.