Shift838 Posted February 26, 2023 Share Posted February 26, 2023 I have been doing some mods to my 800XL and right off the bat I noticed these 4 caps that just looked way too big for the board. I am assuming someone already replaced these or the factory ram out of the right size. I have to replace these so the USB keyboard mod will be able to be hooked up. just wanted to share and see if anyone else came across this? it’s the 4 green ones! Quote Link to comment Share on other sites More sharing options...
Rybags Posted February 26, 2023 Share Posted February 26, 2023 If you open and zoom in, this pic should show what a factory default looks like. The caps are about the size of the adjacant resistors. https://upload.wikimedia.org/wikipedia/commons/0/08/Atari_800XL_board_top_(72RHA_AT8489594_I-474).jpg Quote Link to comment Share on other sites More sharing options...
Shift838 Posted February 26, 2023 Author Share Posted February 26, 2023 I'm going to have to order some from Mouser. I do have some radial .047uF 50v caps which are quite a bit smaller than the ones on my board. I can probably use those and should be plenty of clearance for the USB mod. Quote Link to comment Share on other sites More sharing options...
Shift838 Posted February 27, 2023 Author Share Posted February 27, 2023 found a couple more of these huge caps that need to be replaced, C23 and C17. One is .047uf while the other is .001 uF, which I have both.. Quote Link to comment Share on other sites More sharing options...
reifsnyderb Posted February 27, 2023 Share Posted February 27, 2023 I've seen those exact capacitors on another 800XL. I suspect they are OE. Quote Link to comment Share on other sites More sharing options...
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