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How to repair viking 190 sewing machine circuit board got a resistor I cant read as is burnt?

Circuit board repair, need resistor detail of burnt one below top capacitor i.e. ohm ? going to replace burnt capacitors.

Posted by Anthony Turner on

  • Anthony Shipp
    Anthony Shipp Jul 01, 2019

    Did you find value of resistor? I have the same fault



1 Answer

Gureja Tents

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Posted on Jul 01, 2019


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Paul Howell

  • 208 Answers

SOURCE: I have a Bernina Sewing Machine with a Control Board that smoked

Bernina does not sell individual components for PCBs, rather they have an exchange program for the entire board. But you have nothing to lose and much money to save if you can obtain the parts and replace them yourself. You should be able to get the caps and resistors from any electronics supply.

Posted on Oct 01, 2009

Testimonial: "Terrific- that sorted that out as I could not easily find Bernina Service. I will go and buy the bits."


ken dourof

  • 980 Answers

SOURCE: brother sewing machine circuit board is out need new one

If you have any problems with sewing machines with electronic boards or if the machine is computerised it is wise to take it to a specialist for repair.

Posted on Nov 04, 2009


  • 371 Answers

SOURCE: viking sewing machine 940 needs spare parts

Certified Viking parts are only available from an authorized Husqvarna Viking dealer. However, there are some third party parts companies online. You should be able to find these using Google Search. However, I strongly recommend you have the machine serviced through an authorized Husqvarna Viking dealer. You can find the nearest dealer by click on the "Dealer" link at
Good luck.

Posted on Feb 11, 2010

Rick Martinez

  • 111 Answers

SOURCE: Have Viking 990 and feed

Is it that the feed dogs won't go up and down, or that you can't adjust the stitch length? If the feed dogs won't go up and down after you have released the feed dog button and cycled the handwheel one revolution, than there is a mechanical adjustment needed. I the stitch length can't be ajdusted, that It's either a circuit board of a step motor problem. The repair shop should be able to tell you that they swaped the feed motor with the zig zag motor to test this issue.

Posted on Apr 25, 2011


  • 3 Answers

SOURCE: I have a Bernina 1015, and the small circuit board

HiThe value is 390 ohm

Posted on Apr 28, 2012

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1 Answer

Will not select new stitches and needle stuck in one positioh?

Mechanical machines require frequent cleaning and oiling to keep them running. Even if your machine may be an early electronic, it most like still has mechanical parts that need oiling. Computerized machines, on the other hand,should be oiled ONLY as instructed in the manual. It is possible the stitch selector and needle mechanism have seized due to old oil.

Wheel on right side that controls the needle up and down is very tight...

Oct 29, 2017 | Sewing Machines

3 Answers

Display does not light up on PFAFF 1475 CD

These instructions apply to PFAFF 1475 CD. They may also work for other machines.
If you have some advanced electronic repair skills and tools, check the following:
For 220 Volts models - there is a fuse next to the power input, make sure it is good. There is no such a fuse for 120 Volts model.
If the fuse is Okay, you have to get access to the main circuit board by removing the bottom cover.
Check the primary on the transformer for 120 V AC (220 V AC respectively). Check the secondary side for 5 V AC (luminescent display), 9 V AC (turns to 5 V DC by rectifier, 4700 micro farads capacitor and a 5 V regulator STI L387A) and 28 V AC (turns to 35 V DC by rectifier and 2200 micro farads capacitor.
Pay attention to two soldered round fuses in series with the secondary 9 V and 28 V - both should be good. On the big capacitors you should have 9 V DC and 35 V DC.
Common symptoms for bad small 22 micro farads capacitors next to the some of the IC's - there are 5 of these: These capacitors are in parallel with 5 V DC.
## All of the LEDs light up but the display is blank
## All of the LEDs light up, the display is blank, and after a minute no LEDs at all
## No LEDs nor display.
Replace ALL five 22 micro farads capacitors using a good desoldering pump or desoldering station!.
Enjoy your resurrected PFAFF 1475 CD machine!!!
I just did this procedure on my aunt's one (Made in West Germany around 1990).

Feb 01, 2015 | PfaFF Sewing Machines

2 Answers

My Pfaff 1471 lights up, but does not run. This model has no fuse. I checked the foot pedal with an ohm meter, & it sends a variable signal. My house took a direct lightning strike 2 weeks ago, &...

Were the base plate pugs into the power leads, you should read about 6-18 is ohms. Open and short is a bad transformer.

Also there are fuses, 2-3 right next to the transformer, small blueish and round are the shapes. They go bad often.

Sep 22, 2011 | PfaFF Sewing Machines

1 Answer

I have a 930 Bernina and it started to sizzle and smoke came out of it. It smelled real bad.

I repaired one last week for the same fault.

A component called a capacitor blew on the main circuit board. I was able to repair it but you may have to replace the entire board.

Expensive job but worth it as its a quality machine.


Jul 10, 2011 | Bernina 1008

2 Answers

My Pfaff 7570 will not run. Thought it was the foot pedal. Tried a new one which also didn't work. Changed the AA batteries.Display lights,but will not sew. Husband thinks it is some kind of...

Could be motor brushes or a bad base plate board circuit board. That is a great machine but may be hard to find someone to fix this problem. Take to only to a pfaff repair shop. Motor brushes should be around $50-100 repair and base plate could be up to $500. I would also check it with a nother foot control just to be safe.
If your husband wants to do the job here are some tips.
The motor is right behind the display board, you will need to remove the diplay and motor to get to the brushes.
For the base plate board, Remove the 4 large flatblade screws to get the base plate off.
Right next to the trasnformer there 3 small fuses, (they are back and say fuse on them) if one is very carroded and white there is a good chance that is bad and replacing it will fix the probem.
Lots of work for bolth if the repairs and I recomend you take your machine in.

Apr 03, 2011 | PfaFF Creative 7570

1 Answer

I have a Bernina Sewing Machine with a Control Board that smoked

Bernina does not sell individual components for PCBs, rather they have an exchange program for the entire board. But you have nothing to lose and much money to save if you can obtain the parts and replace them yourself. You should be able to get the caps and resistors from any electronics supply.

Oct 01, 2009 | Sewing Machines

1 Answer

Fixing the pfaff 1473 creative cd

Unfortunately, you need a circuit board repair. Probably the 22 micro farad capacitors in the base plate are leaking. Some shops could replace them, others will need to send it to Pfaff for repair. It could also be the display panel which only Pfaff can repair. Either way just to repair the base plae will be $200+. I love this machine and would probably fix it but it is up to you.

Jan 18, 2009 | PfaFF Creative 7570

2 Answers

Vintage elna condenser--how to replace?

Lots of these old machines had condensers to prevent radio and TV interference (static on the radio when using the sewing machine). Depending on which one it is, you might be able to cut it out and bypass it.

Jan 03, 2009 | Elna Quilter's Dream 6003Q

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