Author Topic: Soldering Iron Repair\Upgrade  (Read 1063 times)

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Offline bustedpartsTopic starter

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  • Country: us
Soldering Iron Repair\Upgrade
« on: September 15, 2017, 02:26:23 am »
Hello fellas. I was soldering away this evening on a project that I am working on . I shut my iron off and I turned it on a few minutes later and It refuses to heat.  The Iron is a Yihua 939BD+ and I purchased it about 6 months ago. It has been a pretty decent iron up to this point. But I have no way to gauge it due to this was my first soldering station. Anyway I proceeded to take the wand apart and found a small pcb with 1 what looks to be a cap and 4 wires for the ceramic heater and the mating wires. I took and done a resistance check and the 2 blue wires have about 50 ohms and the red wires have about 80 ohms. I tried to check for some kind of a voltage output and all I got was 5 volts , nothing higher. I am suspecting that the heater is bad. My question has any of you fine gentleman had any experience with this iron. And can I get better parts to replace what has already broke?  I have learned my lesson on buying cheap as I am paying the price now.  My next question is can I get smc tweezers to work with the base unit I have? Thanks for looking and I hope to hear something soon!
 

Offline bustedpartsTopic starter

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  • Posts: 7
  • Country: us
Re: Soldering Iron Repair\Upgrade
« Reply #1 on: September 15, 2017, 07:52:50 pm »
I replaced the heater with a stock replacement and that ended up fixing the no heating issue.  And I done some research and I found this heater and it looks just like the one I replaced. http://www.tequipment.net/Hakko/A1560/Soldering-Accessories/?v=7561 . It says it is a 65 watt heater.  My iron says it is a 70 watt . So I am going to give this heater a try , and I am going to order a few replacement tips for a hakko as I heard they fit tighter .
 


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