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  1. Challenger 1983

    PowerBook Duo 280

    Unfortunate, I'll have a look through my parts bin and see if I can find another board
  2. Challenger 1983

    PowerBook Duo 280

    Sorry to hijack this thread but does anyone know the specs of the two transformers near the power jack, I need to replace the one closest to the power jack
  3. Challenger 1983

    Current source for 68k PowerBook batteries

    ill ask them for a price on a duo battery and may i send one to be repacked
  4. Challenger 1983

    Powerbook 270c recap just in time

    I’ve done the main board caps on 3 duos and each have been in various states of electrolyte damage, one had slight corrosion and others had completely eroded pads, glad you replaced these caps.
  5. Challenger 1983

    PowerBook Scuznet adaptor

    I may be able to provide you with some more information regarding the hard drive bay and modem situation within the Duo’s, i can send you the blank card that plugs into the modem connector when there is no modem present, i can take general measurements of whatever you need as well
  6. Challenger 1983

    Powerbook Duo 210 crashed and won’t reboot

    I do, ill have a go with it tonight and see if that helps, thanks!
  7. Challenger 1983

    Powerbook Duo 210 crashed and won’t reboot

    I picked up a 210 at a thrift store recently and i wad delighted that it worked perfectly, however as i was using it the entire screen froze, after leaving it for a few minutes with no response i restarted the machine using the keyboard, after which i got a happy mac followed by the screen...
  8. Challenger 1983

    PowerBook Duo 230 - did I kill it?

    I am trying to figure out what these coils are, surely we could measure certain metrics of them and find a match for them 
  9. Challenger 1983

    PowerBook Duo 270c - burning power supply

    Is the 270c considered rare?, I swear I have seen more 270s  than any other duo, but I guess all duos are rare anyway 
  10. Challenger 1983

    Attempting to repair a Classic with a horrendous Maxell battery explosion (aka Mission Impossible)

    You would be surprised, the very first Mac I ever posted about was a Classic with severe battery acid/rust that looked very similar to that above, i removed the rist with vinegar and painted the frame, still plenty of good metal under the rust
  11. Challenger 1983

    SimCity 1.1 DRM

    Thanks!, I’ll try it out tonight!
  12. Challenger 1983

    Challenger's conquests

    Definitely! it would be nice to have a video resource for recapping, I usually pick the smallest cap with the correct values when working with PowerBooks, and I make sure to clean and flux the board before applying the new caps, it works every time for me 
  13. Challenger 1983

    Arduino SCSI device - Work in Progress

    I am very excited for this, it seems like an affordable solution to failing SCSI drives 
  14. Challenger 1983

    Challenger's conquests

    I have a spare 280 board to recap next so I might try surface mounts all around with that board 
  15. Challenger 1983

    Challenger's conquests

    They actually fit amazingly, there's more room with them than the original caps which was surprising.
  16. Challenger 1983

    Challenger's conquests

    So I managed to get both Duos recappedafter ordering all the parts from Digikey For anyone who is recapping a 2300c, The smaller capacitors are 33uf 35v  And here is the patient after surgery   :D
  17. Challenger 1983

    PB Duo 2300c and 270c Capacitor list

    I think that is way way too high, however  when I have my 2300 apart again I will try and find the part number of the LCD for you, maybe other laptops used that panel?
  18. Challenger 1983

    PB Duo 2300c and 270c Capacitor list

    Did you end up getting that Ebay screen?
  19. Challenger 1983

    PB Duo 2300c and 270c Capacitor list

    Do you have a dock?, if so try that and see if an external keyboard works, I would like to say that bad caps would cause this but you might want to dig out a multimeter and start testing the fuses on the logic board as well as other components for continuity. First step is probably to get that...
  20. Challenger 1983

    PB Duo 2300c and 270c Capacitor list

    Will a higher voltage cap affect it at all?, if not I’ll order a set right away
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