Hello there,
I had to change caps to two broken X68030 computers and they both revived after changing the caps. Quite a job, but here are you the list of caps, if you need to do the same. I recommend you to take only few "aluminium can" caps off at the time and change them to the tantalum type caps straight away, so you wont make errors. Also, if you do this all the same way using SMD-type capacitors as I did, take a careful look on the casing sizes. There are four different standard casings for the SMD tantalum caps and only 2-3 of the casing sizes are suitable depending from the cap you're chancing. I used myself couple of hours for measuring and selecting the correct sizes and good prices from Farnell catalog, but it was worth it! If someone needs, I can pass the Farnell codes for the caps I used. Cheaper method is using non-SMD caps though.
NOTE1: Some C-markings were very tightly printed in the I/O-board, so I'm not sure if they are all correct. Values for caps are correct though.
NOTE2: I did not touch to disk drives, they were still working well, so no list from them.
Mainboard:
C3 6,3V 100uF
C4 16V 100uF
C6 16V 100uF
C9 50V 0,47uF
C15 6,3V 100uF
C17 6,3V 330uF
C18 6,3V 330uF
C24 6,3V 100uF
C33 6,3V 330uF
C34 6,3V 330uF
C37 6,3V 47uF
I/O:
C201 50V 1uF
C203 6,3V 22uF
C207 50V 0,47uF
C208 50V 0,47uF
C209 6,3V 100uF
C210 6,3V 100uF
C213 6,3V 100uF
C215 6,3V 100uF
C217 6,3V 100uF
C218 25V 4,7uF
C219 25V 4,7uF
C221 6,3V 100uF
C225 16V 100uF
C227 25V 4,7uF
C229 25V 4,7uF
C231 6,3V 100uF
C233 16V 10uF
C234 16V 100uF
C236 25V 4,7uF
C237 25V 4,7uF
C238 16V 47uF
C239 16V 47uF
C240 16V 100uF
C241 25V 4,7uF
C243 16V 100uF
C244 50V 0,47uF
C250 16V 47uF
C251 6,3V 100uF
C252 25V 4,7uF
C253 16V 100uF
C254 16V 100uF
C255 6,3V 100uF
C256 50V 0,47uF
C257 50V 0,47uF
C259 50V 1uF
C262 50V 1uF
C266 6,3V 330uF
Display:
C401 6,3V 100uF
C405 6,3V 100uF
C409 6,3V 100uF
C410 6,3V 100uF
C411 6,3V 100uF
"Riser"-card:
C501 6,3V 47uF
C503 6,3V 47uF
C505 16V 47uF
C507 16V 47uF |
Have fun!
- Saku
Edit: some typos corrected and text formed better, caps list not touched.