• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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  1. M

    Quadra 950 or WGS 9150 PSU pinout.

    No problem!
  2. M

    Quadra 950 or WGS 9150 PSU pinout.

    Hi @macuserman I'm currently about to embark on a journey of repairing a defective 950 PSU. In case I don't get very far, do you know how much it would be to ship to the UK...?
  3. M

    Quadra 950 Power on and Off after A Few Seconds

    Mine is doing exactly the same after I fumbled to push in a power cord which was connected to a socket already switched on. It looks like it might be the transformer labelled 'T1' inside. I am going to start replacing caps...
  4. M

    BOMs for Quadra 950

    Hi @joshc - I would attest to this - mine is doing the same as in https://68kmla.org/bb/index.php?threads/quadra-950-power-on-and-off-after-a-few-seconds.37717/ - switching on for a second whilst hissing then going off again. This started happening after I fumbled to put the power cable in which...
  5. M

    Don't use 16V SOLID Tantalum on SE/30 Motherboards

    Hi all, With apologies for resurrecting this older thread - I have just recapped a IIci with 16v solid tantalums, as linked from Bruce Rayne's page at https://recapamac.com.au/macintosh-iici/ . Bruce seems an absolutely upstanding and knowledgeable guy, so whilst I'm not too worried......should...
  6. M

    Mint condition IIci was working a few days ago, now isn't

    Excellent stuff - I will be in touch! Many thanks again everyone for your help with diagnosis.
  7. M

    Mint condition IIci was working a few days ago, now isn't

    Thanks! Uniserver - I see you are in Michigan.... have you ever had anyone ship you a logic board from the UK.....? ;o)
  8. M

    Mint condition IIci was working a few days ago, now isn't

    Thanks all for your kind help and pointers - it is very much appreciated and it is nice to find such a friendly forum! To update, this evening I took the IIci apart, laid it all out on the table and used some cat-5 cabling (!) to connect up the PSU output pins to the corresponding inputs on the...
  9. M

    Mint condition IIci was working a few days ago, now isn't

    One question I do have - the 7100 power supply appears a perfect fit (to test with) but has different current ratings on each of the lines - I have heard they are interchangeable but the differing outputs makes me wary...!
  10. M

    Mint condition IIci was working a few days ago, now isn't

    Brilliant thank you - I've got some isopropyl alcohol on the way (as well as two new 3.6V batteries - one for this, one for the 7100) so will get to work with that and cotton buds around the power area to start with. Many thanks - I'll keep the thread updated with progress
  11. M

    Mint condition IIci was working a few days ago, now isn't

    Good evening, Apologies if this specific problem has been handled elsewhere. I could not find this exact issue through searching. On Monday, I took possession of an absolutely mint condition IIci (including boxes, accessory pack, original install floppies etc) with the 13" trinitron monitor...
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