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Ultimaker UMO Koelventilator PWM Ultimainboard-transistor BC817 Vervanging

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Ultimaker UMO Cooling fan PWM Ultimainboard transistor BC817 Replacement, Replace the old with the new (soldering): crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Ultimaker UMO Cooling fan PWM Ultimainboard transistor BC817 Replacement, Replace the old with the new (soldering): crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
Replace the old with the new (soldering)

  • Disconnect all power connections before you start and get anti-static. No warranty!

  • Have the replacement transistor ready for deployment

  • Heat up the soldering iron (350-400°C or 700°F should be right depending on your lead, iron welder, etc.); avoid temperatures that are far above melting due to the sensitivity of SMD devices, see also the On Semi guide or Sparkfun's SMD Soldering Guide

  • Remove the broken transistor by carefully heating the SMD pads that connect T1 (or T2) to the mainboard PCB. Because there are three pads, try circular rotation while using tweezer to pull of the broken device

  • Use the solder suction pump to remove any old solder around the transistor pads

  • Note: This guide is assuming that the NPN transistor has the following pinning (SOT-23): TOP LEFT: Emitter TOP RIGHT: Base BUTTON: COLLECTOR, see the data sheet and mainboard picture. Nothing too much can go wrong here, as the pads are given in direction.

  • Finally, solder the new transistor onto the pads. If you face difficulty with handling the device, tweezers, etc. try electronics magnifying glasses -- Ultimately, check the output voltage according to the software setting (PWM 255 steps) or just connect the fan hopefully it now works again!

Vervang het oude door het nieuwe (solderen)

Koppel alle stroomaansluitingen los voordat u begint en zorg dat u antistatisch bent. Geen garantie!

Zorg dat de vervangende transistor klaar is voor gebruik

Verwarm de soldeerbout (350-400°C zou goed moeten zijn, afhankelijk van je tin, soldeerbout, enz.); vermijd temperaturen die ver boven het smeltpunt liggen vanwege de gevoeligheid van SMD-apparaten, zie ook de On Semi-gids of Sparkfun's SMD-soldeergids

Verwijder de defecte transistor door de SMD-aansluitingen die T1 (of T2) verbinden met de printplaat voorzichtig te verwarmen. Omdat er drie aansluitingen zijn, probeer cirkelvormige rotatie terwijl je een pincet gebruikt om het defecte onderdeel eruit te trekken

Gebruik de tinzuiger om soldeertin rond de transistor aansluitingen te verwijderen

Opmerking: Deze handleiding gaat ervan uit dat de NPN-transistor de volgende pinning heeft (SOT-23): LINKS BOVEN: Emitter RECHTS BOVEN: Basis ONDER: Collector, zie het gegevensblad en de afbeelding op het moederbord. Er kan hier niets te veel mis gaan, omdat de aansluitingen in richting worden gegeven.

Soldeer tot slot de nieuwe transistor op de pads. Als u problemen ondervindt bij het hanteren van het apparaat, pincet, enz., probeer dan een elektronische vergrootglas - Controleer uiteindelijk de uitgangsspanning volgens de software-instelling (PWM 255 stappen) of sluit gewoon de ventilator aan, hopelijk werkt het nu weer!

[title] Replace the old with the new (soldering)
[* black] Disconnect all power connections before you start and get anti-static. No warranty!
[* black] Have the replacement transistor ready for deployment
[* black] Heat up the soldering iron (350-400°C or 700°F should be right depending on your lead, iron welder, etc.); avoid temperatures that are far above melting due to the sensitivity of SMD devices, see also the [http://www.onsemi.com/pub_link/Collateral/SOLDERRM-D.PDF|On Semi guide] or [https://www.sparkfun.com/marcomm/SFE03-0010-KitCard-SolderingSMD-ReaderSpreads.pdf|Sparkfun's SMD Soldering Guide]
[* black] Remove the broken transistor by carefully heating the SMD pads that connect T1 (or T2) to the mainboard PCB. Because there are three pads, try circular rotation while using tweezer to pull of the broken device
[* black] Use the solder suction pump to remove any old solder around the transistor pads
[* black] Note: This guide is assuming that the NPN transistor has the following pinning (SOT-23): TOP LEFT: Emitter TOP RIGHT: Base BUTTON: COLLECTOR, see the data sheet and mainboard picture. Nothing too much can go wrong here, as the pads are given in direction.
-[* black] Finally, solder the new transistor onto the pads. If you face difficulty with handling the device, tweezers, etc. try [http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=electronics+magnifying+glasses|electronics magnifying glasses] -- Ultimately, check the output voltage according to the software setting (PWM 255 steps) or just connect the fan hopefully it now works again!
+[* black] Finally, solder the new transistor onto the pads. If you face difficulty with handling the device, [product|IF145-020|tweezers], etc. try [http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=electronics+magnifying+glasses|electronics magnifying glasses] -- Ultimately, check the output voltage according to the software setting (PWM 255 steps) or just connect the fan hopefully it now works again!

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