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Topic: Issue with T-8 Stringmaster |
Todd Weger
From:
Safety Harbor, FLAUSA
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Posted 25 Feb 2012 11:10 am |
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I'm not sure whether to post in Electronics or here, but I have a 1956 Fender Stringmaster T-8 that I'm considering selling (can't bear the thought now though, after getting it out and playing it ALL flippin' morning... sigh...) 
Anyway, that's not the point of this post. What I would like to know is, how does one get those 'push-button' neck changers to stop being all scratchy and sometimes not fully engage that particular neck? They work most of the time, but sometimes I push a button for a neck, and it kind of half-way engages. I push again, and hold it down a bit, and then it seems to fully turn on that one neck.
I'm sure contact cleaner is in order, for the pots, too; but wanted to know how one corrects this issue? I guess if I do decide to sell it, I could just sell 'as is,' and let the next person get that all squared away, but I'd like to have it function properly, either way I go. The thing is, I'm pretty sure once I have that fixed, it ain't going nowhere! I haven't had it out of the case for about a year, and I forgot how I fell in love with it in the first place. This thing sounds as sweet as pie!
Thanks!
TJW
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Todd James Weger --
1956 Fender Stringmaster T-8 (C6, E13, A6); 1960 Fender Stringmaster D-8 (C6, B11/A6); Custom-made 25" aluminum cast "fry pan" with vintage Ricky p'up (C6); 1938 Epiphone Electar (A6); 1953 Oahu Tonemaster; assorted ukuleles; upright bass |
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Hugh Holstein
From:
Rohnert Park, California, USA
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Posted 25 Feb 2012 12:45 pm
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They are just simple phosphor bronze contacts, take a calling card with some alcohol on it and rub it between the contact points.
If they are really dirty or oxidized you can take them apart and clean them thoroughly.
Should work great after that. |
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Todd Weger
From:
Safety Harbor, FLAUSA
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Posted 27 Feb 2012 7:04 am Thank you!
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Thanks, Hugh! I'll do that. I noticed just by switching necks many times over while playing it for a few hours, they started working better and better, so it appears that oxidation and dirt was definitely the issue.
I will also do your suggested remedy.
Thanks again,
TJW |
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Butch Pytko
From:
Orlando, Florida, USA
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Posted 29 Feb 2012 12:12 pm
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Just a word of caution if you decide to take the push button assy. apart to clean. I did just that a while back & accidentally bent one or both of the plates pictured--put it back together & one of the buttons didn't work. Had to take it apart again, studied it & found I had bent one of the contact plates out-of-shape. What makes it so critical is the very close position of the 2 contact plates in the OPEN CIRCUIT position! If they are bent--they won't make positive contact--the circuit will either stay open or closed. The 2 plates are very thin & can be easily bent out-of-shape, so be careful! |
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Jim Palenscar
From:
Oceanside, Calif, USA
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Posted 7 May 2021 9:51 am
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| Thanks so much for the replies. It turns out that the insulator thick paper had worn through where the push button was and it was shorting out there. |
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Tim Whitlock
From:
Colorado, USA
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Posted 8 May 2021 11:49 am
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| When I first got my '56 Stringmaster the push button switches were very noisy. I shot some electronics cleaner through the output jack and it cleaned them right up. |
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Stephen Cowell
From:
Round Rock, Texas, USA
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Posted 9 May 2021 6:40 am
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| Tim Whitlock wrote: |
| When I first got my '56 Stringmaster the push button switches were very noisy. I shot some electronics cleaner through the output jack and it cleaned them right up. |
Not sure how this would work... the switches are in the front neck, the output jack is in the back neck.
Also, this is not recommended for many reasons... the plates are so easy to remove and put back... why shoot liquid into a wooden cavity on a 65-year-old instrument? I can't imagine that the liquid got anywhere near where it would do any good... more likely to wash dirt *into* the controls than out of them.
My take on the pushbuttons... they work fine if you maintain them. They do have a design defect... there is no 'wiping' or self-cleaning action to them... the switch leaves just touch and un-touch. Proper switches have a slight sideways motion to the contacts that helps keep them working... relays have the same action. Use DeOxit on the contacts with a business card, then treat with DeOxit Gold... these liquids are magical and should be in everyone's tool chest. The mechanical side of the switch could use some 3-in-1 or other oil, just a drop on each mechanism.
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New FB Page: Lap Steel Licks And Stuff: https://www.facebook.com/groups/195394851800329 |
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Robert Sands
From:
New Jersey, USA
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Posted 9 May 2021 4:00 pm
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| I have a 1955 Stringmaster with the push buttons and had the exact same issues. DeoxIt sprayed into the buttons did the job. Works perfectly now. |
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Mike Harris
From:
Texas, USA
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Posted 10 May 2021 6:25 pm
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+1 for Deoxit. I probably learned that from Stephen so thanks, Bud!!!
And, yes, the more often you work the switches the less trouble you will have. |
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Jeff Mead
From:
London, England
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Posted 12 May 2021 9:23 am
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I'm just glad that both of my Stringmasters were "parts" instrumnents so keeping them original wasn't an issue for me.
I went the Leon McAuliffe route and replaced the original switches with toggle switches. I love them, especilly for selecting more than one neck at a time. |
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Ethan Shaw
From:
Texas, USA
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Posted 12 May 2021 10:50 am
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| Jeff, I was thinking about doing that, but couldn't find toggle switches small enough to fit in the holes without drilling. Did you have to enlarge the holes? |
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Jeff Mead
From:
London, England
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Posted 12 May 2021 12:04 pm
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| Ethan Shaw wrote: |
| Jeff, I was thinking about doing that, but couldn't find toggle switches small enough to fit in the holes without drilling. Did you have to enlarge the holes? |
Yes I did. For my quad, I would have had to do some drilling anyway as I only had the plate from a triple neck so I went for it!
But I did have a Stringmaster ages ago and someone made me a plate with 3 mini toggles on it that mounted below the Stringmaster plate (using the mounting holes for the original switch) with just the toggles poking through the holes so no drilling required but when I came to restore my quad and double Stringmasters, I went with nice chunky toggle switches like Leon.
Last edited by Jeff Mead on 12 May 2021 1:43 pm; edited 1 time in total |
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