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Type: Posts; User: macfelix

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  1. Hey that's great! Thanks for letting me know.

    Hey that's great! Thanks for letting me know.
  2. To replace the chip: 1) Use tweezers to position...

    To replace the chip: 1) Use tweezers to position the chip on the traces. make sure the orientation is the same as it was. 2) Dab some flux on all the pins. Tack down one pin with the iron.3) If the...
  3. Looks good. To remove a chip:1) Put some flux on...

    Looks good. To remove a chip:1) Put some flux on the pins and then melt lots of solder across all the pins on both sides. The more the better. Try to make a little solder bubble that covers all the...
  4. (Whoops - i deleted the Private message by...

    (Whoops - i deleted the Private message by mistake. But better to keep the information here so other people might find it.)
  5. On my printer I didnt even need to take the pcb...

    On my printer I didnt even need to take the pcb off the chassis which was nice. Just make sure to uplug.
  6. There are probably some good youtube videos...

    There are probably some good youtube videos showing the technique for replacing chips. Maybe practice with some scrap electronics.
  7. So if everything else on the printer seems to...

    So if everything else on the printer seems to work there's a very good chance that this chip is smoked:

    17803

    You can buy the chips on aliexpress for $3 or so, from digikey for $20 or so, but...
  8. Sounds like the MAX6675 thermocouple amplifier...

    Sounds like the MAX6675 thermocouple amplifier chip is blown, probably from a short due to a frayed wire on the old thermocouple. I went through this very recently. I replaced the 8pin chip and was...
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