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Search: Posts Made By: Th3_uN1Qu3
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-03-2022, 03:26 PM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

Don't do that again. The 78xx series have been around longer than I've been, and they're super stable and super reliable. There's gotta be a reason why they're still in active production.
...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-25-2018, 08:39 AM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

91K goes in parallel with R11 (OVP) not R24 (feedback). 15K is in parallel with R24 (originally 4.42k) which gives 3.414kOhms as a final value for R24.

But yes, I agree, 3k3 is too low. 3k3 for...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-24-2018, 11:50 AM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

Yes exactly. R24 (bottom feedback resistor for TL431) is the one that needs to have 15k in parallel added, take another good look at the pictures, stj. :D

I did not check the Russian schematic. I...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-24-2018, 06:58 AM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

It should work without messing with the current shunt, mine does no problem. Try 20k for R11. 27k (original) paralelled with 91k gives 20.822k, so 22k is a bit high and could very well be your issue....
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-30-2018, 04:19 AM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

Straight onto the output caps. Actually was tricky holding both probes with one hand and the phone with the other. :D



I am using the zener in series to drop voltage, not from gate to source...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-27-2018, 09:22 AM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

Will have to take it apart again for that, as the zener obscures the view.

You can use your multimeter to find it. Right-hand side of R30, towards the edge of the iron control board, connects to...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-27-2018, 05:35 AM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

I ended up with R24 ~3.4kOhm and R11 21.8kOhm. No need to change current limiting resistor in primary, maybe with 110V input it is necessary but for European mains voltage, no issue.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-27-2018, 04:21 AM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

That looks like a pretty beefy power supply on that kit. :)
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-27-2018, 04:02 AM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

If you can't find 1000u caps small enough to fit, you should be able to go down to 680u/35V with no issue if you use good quality, low ESR capacitors. The ones that are fitted are generic ones.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-26-2018, 10:36 PM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

I know the output caps are 25V. But this is not a device that stays powered all the time. If/when they blow, i'll just replace them. It's a cheap, easily serviceable piece of kit.

Don't see any...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-26-2018, 01:55 PM
Replies: 65
Views: 12,836
Posted By Th3_uN1Qu3
Smile Bakon 950D "Extra Crispy" mod (19->24 Volt)

Hello, you fine folks. :)

I've been hearing good things about the Bakon 950D (what a funny name!) soldering station with T12 tips (mistakenly labeled as T3 or T13, i see), so I thought i'd order...
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