frytex
Member
Working on qbert when I turn it on the pyramid is gone. Everything seems to be there. I was told there is already a thread on this I just can't find it. So any help will be great.
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They are jumper caps and there are some that will cause the exact issue he is having. Its the first thing I check on a qbert board since they are easily knocked off in storage and can also corrode if you have acid damage on the board. They are standard .100 jumper caps like used on pc motherboards and hard drives.
Do you happen to have the schematic refs for those jumpers? Just curious what they control - do you any of them affect background character generation? The dipswitches don't appear to control anything relevant.Im sorry, I thought you were talking about the blue jumper caps. Yes, the blue CAPACITORS are .01uf. The caps I was referring to are the jumpers that slide over the header posts. There are three banks of them in the picture I posted.
Im sorry, I thought you were talking about the blue jumper caps. Yes, the blue CAPACITORS are .01uf. The caps I was referring to are the jumpers that slide over the header posts. There are three banks of them in the picture I posted.
Im sorry, I thought you were talking about the blue jumper caps. Yes, the blue CAPACITORS are .01uf. The caps I was referring to are the jumpers that slide over the header posts. There are three banks of them in the picture I posted.
Yes, those are .01uf 50v axial caps. These are not causing the problem he is having. Like I said, check those jumpers first.