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Forum BK1103A Switch Help
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  • Replies 12 replies
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  • bk1103a
  • switch
Related

BK1103A Switch Help

kas.lewis
kas.lewis over 6 years ago

I recently bought a second hand function generator and after checking it out it all appears to work well except for some of the switches. I was therefore hoping someone may be able to help me identify the make and model of the used switches. If I can replace them then I will have a perfectly good function generator, well minus the calibration (1993...)

 

image

This is a picture of the switch I 'm looking to replace. It's a six pin switch and appears that the upper and lower center are the two poles and the outer terminals are the four throws.

 

image

The function generator in question, awaiting its repairs.

 

Thanks

Kas

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Top Replies

  • mcb1
    mcb1 over 6 years ago +5
    I'm wondering if a good clean and lube won't bring back the switches to their former glory. It's entirely likely that the contacts that were uncovered have suffered from oxidation, and with cleaning and…
  • mcb1
    mcb1 over 6 years ago in reply to kas.lewis +3
    kas.lewis From what I recall of these switches, the rear is open. If you can desolder them from the board, you have some other options, but I think you can try the squirt the heck out of them first. As…
  • korn
    korn over 6 years ago +3
    for guitar amps I like to use a cleaner that clearly states "leaves no residue" to flood the switches and controls. then work them out, clicking or turning many times.. then give a second wash and a blast…
Parents
  • kas.lewis
    kas.lewis over 6 years ago

    I ended up with two different contact cleaners after talking with a few vendors at the Sensor Midwest/SMTA show in Chicago last month. After using the cleaner from ACL Staticide and working the switches a bit the issue seems to be resolved. I'm very impressed how the cleaner was able to penetrate the switch as I didnt think I could get anything between the housing and the "lid" of the switch. I used an xacto blade to get a slight opening and sprayed what I could inside. I can now get all the buttons to respond correctly.

     

    I hope this is helpful to others who may have the same issue.

     

    FYI I believe you can request samples non their website if its just a small amount needed.

     

    Kas

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  • Gough Lui
    Gough Lui over 6 years ago in reply to kas.lewis

    It's always a nice feeling when you can fix something without having to crack out the soldering iron and actually do any surgery. Preserves the original look and feel as well, while making sure things don't go to waste before they absolutely have failed.

     

    - Gough

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  • Gough Lui
    Gough Lui over 6 years ago in reply to kas.lewis

    It's always a nice feeling when you can fix something without having to crack out the soldering iron and actually do any surgery. Preserves the original look and feel as well, while making sure things don't go to waste before they absolutely have failed.

     

    - Gough

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