Thanks again for the replies. I did try different power adapters with no change and the 7805 was replaced by the AA modder. I was wondering if it could even be the big 2200UF cap or the green chicklet cap being the issue. Strong enough for regular carts but some more demanding homebrews causing a strain? He said he only replaced the 7805 and cleaned the power and a couple other switches. I do wish I had the rf shield to at least try putting that back to see if it makes a difference. I don't have an extra one for a vader but I do have a heavy sixer rf shield. I know it won't fit but I wonder if just to test, I place the top part of the shield over the IC chips to see if it makes a difference, or is that crazy?
I'll try removing the glue tomorrow and take a look at of the underneath of the perf board, see if there's any bad solder joints and report back.
Edited by Atarileaf, 12 May 2018 - 09:40 PM.