husqvarna designer II sewing machines power supply.

[ericmark]

Asked to PAT test, and no mains lead, looked on base 50/60 Hz 100 volt, and the leads I can find on the internet are like this

a polarised 2 pin lead, but always seems to have a USA plug, so 100 volt to 120 volt seems no real problem, but to 230 volt rather a big jump, it was my mother-in-laws, and she did use it, but as to if it had some step down transformer not a clue, it may have been changed inside and the label not modified, or it may have some step down transformer, but can't find any info.

 

[RandomGrinch]

Can you post some pictures?
Possibly not helpful, but many sewing machines have proprietary mains connectors, because the mains is fed through the foot pedal - have you got one?

 

[ericmark]

I have the foot control, just the power lead missing.

 

[RandomGrinch]

Google translate...

it may have been changed inside and the label not modified,

As the top label says 100 - 240V, that suggests there may be an easy way to swap between voltage ranges. I've had a couple of pieces of lab equipment that have a round plug on the back, that you take out and rotate, to select the correct voltage range.
I wonder if there's something like that hiding on the machine?

 

[bernardgreen]

It may have an internal power supply that by using an invertor allows the machine to operate on any supply voltage between 100 and 240 .

 

[RandomGrinch]

I now think it probably has a SMPSU, it's not nearly as old as I thought it was.
The USB gives a clue and so does the big screen on the side. These things are expensive.
It's just interesting that the Japanese rated voltage is 100V.
A standard figure of 8 lead should fit.
What PAT test were you planning to do on it?

 

[ericmark]

What PAT test were you planning to do on it?

Stick a label on it, it's class II so only really needs visual. Thanks, seems it did run on 230 volts then.

 

[RandomGrinch]

Some more digging - yes it is an SMPSU.
Although I don't think I'll be buying this one as a spare...

And it is rated 100-240V 50-60Hz

The polarised connector is only for the US and Canadian markets, where there may be polarised sockets...

User manual...

HUSQVARNA VIKING DESIGNER I USB USER MANUAL Pdf Download

View and Download Husqvarna Viking Designer I Usb user manual online. Designer I Usb sewing machine pdf manual download.

www.manualslib.com

 

[ericmark]

Although I don't think I'll be buying this one as a spare...

Yes, looks like the capacitor has blown, causing more problems, thanks.