- there are a few BOM's in the service manual at zimmers, i used the first one but maybe that is not the right one? I can answer this one myself... the schematic has only the 5 pin video so its the first one board in the service manual. PCB 326298-01 Schematic 326106 2017-02-14 20:35 GMT+01:00 Bo Herrmannsen <email@example.com>: > a bit back to the org subject > > BOM: https://docs.google.com/spreadsheets/d/1Gl0Q71u6fKLPRA9HQiSG8- > xY8tPweMwXuy_UGQ1Iayo/edit?usp=sharing > Schematic: http://www.baltissen.org/images/c64.png > > Best photo of a board so far: http://myoldcomputer.nl/ > wp-content/uploads/2015/11/board-326298.jpg > > I have got most of the discrete stuff sourced, thou i have a few > capcacitors i could not figure > > Q's: > > > - is mica and ceramic the same thing? i ask because i could not find a > few of the ceramics but could find them as mica's > - C106 is not on the BOM on page 22 in this PDF: > http://www.zimmers.net/anonftp/pub/cbm/schematics/ > computers/c64/servicemanuals/C64_Service_Manual_314001-02_( > 1985_Feb)%20.pdf > <http://www.zimmers.net/anonftp/pub/cbm/schematics/computers/c64/servicemanuals/C64_Service_Manual_314001-02_(1985_Feb)%20.pdf> > - but on the scematic on page 26 it is marked as 150pf but with a > dashed box arround it. I looked at the board i just linked and could not > find it anywhere. But can i assume that its just a ceramic? > - The socket for the expansion port is also a no go so far, anyone > know a shop that has them regular? > - L4 is listed as a line filter of some sorts, but could not find any > more info so far, anyone knows more about it? > - RP4 anyone know what kind it is? BOM at the zimmers link says 10 pin > so can it be assumed that its 5 individual resistors? > > Things noted on the schematic from Ruud > > > - Only one of the resistors in RP4 is connected on both sides, do i > miss something here? > - Same for RP3 > - there are a few BOM's in the service manual at zimmers, i used the > first one but maybe that is not the right one? > > > Will do the chips tomorrow, rest of evening will be spent double checking > and look a bit more in the service manual > > > 2017-02-14 8:29 GMT+01:00 Julian Perry <firstname.lastname@example.org>: > >> Hello GJPAA, >> >> Tuesday, February 14, 2017, 6:01:26 PM, you wrote: >> >> >> >> >> >> >> >> >> *> Hallo Bo, >> First of all i wonder what board rev matches this >> schematic? > I have no idea. The source is the schematic in the well known >> Programmers Reference Guide. *As Hans has mentioned, it looks very, >> very close to Rev 250407. Nothing was ever absolute with Commodore boards, >> but I think that's as close as you'll get. Commodore were always tinkering >> with the analog video and audio (particularly early on) so there may be >> some differences there. >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> *>> and if there are a high res scan "out there" i could use for initial >> component placement > Write me in private and I will generate a PNG with an >> higher > resolution. Or you can have the original files. Eagle can be > >> downloaded and you can create your PNG. And you can tinker with the SCH >> yourself. >> Next would part are ABSOLUTE not to be found no where? > These >> parts aren't that rare. Just ask around. >> and board layout > Hasn't that >> be done already? Several people have asked for the SCH before. *There >> was the C64 reloaded a short while back ( http://wiki.icomp.de/wiki/C64_ >> reloaded ). Aside from cleaner video output I didn't quite see the >> point: but it's always nice to see the C64 candle burning bright !! >> >> >> >> >> >> >> >> >> >> >> >> >> >> *> Hmmm, next thought: what about using the ATX format? >> Next, how much >> use would the work be in general? > Depends on your skills and experience. >> > Met vriendelijke groet / With kind regards, > Ruud Baltissen *> >> www.Baltissen.org <http://www.Baltissen.org> >> <email@example.com> >> Message was sent through the cbm-hackers mailing list > > > Message was sent through the cbm-hackers mailing listReceived on 2017-02-14 20:03:33
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