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Forum: Equipment Usage, Soldering, Techniques, and Reviews 12-23-2022, 04:26 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

6 pads, 6wires used to program the AVR controller. :)
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-06-2022, 04:12 PM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

whats your mains voltage?
and about that buck convertor, did you but the track for the pot and bridge the pads for 5v?
Forum: Equipment Usage, Soldering, Techniques, and Reviews 10-17-2022, 11:14 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

why touch r26 or d7??
good luck with the buck convertor if it's max input is 24v - it may last but who knows.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 10-14-2022, 03:35 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

the 7805 is fine, you dont need to upgrade the y-class either.

all i remember doing was the 2 resistors and the electrolytics + the zener on the other board.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 10-13-2022, 02:40 PM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

the tant was factory.
i upgraded the Y class on the right.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 10-13-2022, 12:44 PM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

so,
R11 - 27k(OVP) change to 20k 0805
R24 - 4.42k(voltage reference) change to 3.4k 0805

i'v been running 24v for several years and not damaged the optocoupler
the caps you need are panasonic...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-24-2018, 04:02 PM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

R24,
russians replaced it with 3k6 for 23v
un1qu3 bridged the original 4.42k with 91k

3k3 is going to give well over 24v
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-24-2018, 08:44 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

your as bad as the russians! :tongue:
can you translate that into english?

what to put in place of R11??
you previously said put 15k in parallel with the 27k factory part.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-24-2018, 04:40 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

looking at my notes from russia, i suspect it's R1 or R14 needs to be messed with.

i have this line "parallel to the current resistor in the primary we add a resistor to 2.7 ohms"
nice & vague,...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 09-23-2018, 06:01 PM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

russian guys changed the overcurrent sense level - that's probably it.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-29-2018, 09:59 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

probably surprisingly good.
chinese c(r)aps actually often have decent specs, the problem is the unreliable lifespan.
i may have listed the specs in my review.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-29-2018, 09:54 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

looking at the fet datasheet and the controller schem, you should use a 12v zener - or even a 14v one.
at 5v the gate resistance is twice what it is at 10v.

if your going to clamp the gate pullup...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-29-2018, 09:40 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

my thoughts are no.
if your increasing the output then your increasing the ripple as the tip switches, so you really dont want to be reducing the ripple handling - and that is going to be tied to...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-29-2018, 09:10 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

so uN1Qu3,
what tips did you order??
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-29-2018, 09:06 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

output voltages are on the connector leading to the controller/display pcb - look at the schematics i posted.

btw, if any cap is going to fit, it's a Panasonic FS
eeufs1v102L
farnel:2766954...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-27-2018, 05:03 AM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

some stuff looted from kazus

my badly translated notes:
------------------------------------
About the conversion to 24V.
You do not need to twist the turn on the transformer.
We change the...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-26-2018, 07:20 PM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

in your photo your handpiece is a T13 btw. :D
Forum: Equipment Usage, Soldering, Techniques, and Reviews 08-26-2018, 07:11 PM
Replies: 65
Views: 12,836
Posted By stj
Re: Bakon 950D "Extra Crispy" mod (19->24 Volt)

the reason for the name is simple, everybody knows that everything is better with bakon. :D

btw, the output caps are 25v rated - get ready for the boom!
and very few 35v rated ones will fit -...
Showing results 1 to 18 of 18

 
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