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  #1  
Old 30-03-2020
revol revol is offline
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Default Sanwa TX repair in the UK

Anybody able to replace the steering potentiometer on a Sanwa Gemini X?
I've contacted Model Radio Workshop already but he can't help.
I don't fancy sending it off to LRP in Germany, which is the official Sanwa response.

Cheers
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  #2  
Old 30-03-2020
daz75 daz75 is offline
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Derek bailey fixes all manner of stuff. Give him a try

http://www.rcdisco.com/tips-and-tricks/service.php
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  #3  
Old 30-03-2020
revol revol is offline
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Cheers. Have dropped him an email.

Anyone else do this sort of thing?
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Old 30-03-2020
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Quote:
Originally Posted by daz75 View Post
Derek bailey fixes all manner of stuff. Give him a try

http://www.rcdisco.com/tips-and-tricks/service.php
sadly derek is no longer doing repairs
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Old 30-03-2020
Yorkiebar Yorkiebar is offline
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If you're handy with a soldering iron have a go yourself. You just need an identical pot, same resistance and range of angle. 3 wires and it's done.

You might even find it's not the pot once it's opened up, might be as daft as a wire off or the pot jumped off somehow.
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Old 30-03-2020
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Quote:
Originally Posted by mark christopher View Post
sadly derek is no longer doing repairs
Could of sworn his son said he was still doing it when I was speaking to him at the indoor season. Maybe not
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  #7  
Old 30-03-2020
revol revol is offline
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Cheers guys.
It's definitely the pot. If I swap channels on the rx the steering, through the throttle stick, is fine. It's not dead all together but it kind of "glitches" for want of a better word when moved slowly. All the wires are ok as I had it apart last night.
Finding a pot might be the next step if no one else can help.
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Old 30-03-2020
CHEVY CHEVY is offline
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Try a lad called pugs on here he is good had work done before no problems
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  #9  
Old 30-03-2020
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Try PUGS on here, he maybe able to help.

http://www.oople.com/forums/member.php?u=958
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Old 30-03-2020
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Quote:
Originally Posted by CHEVY View Post
Try a lad called pugs on here he is good had work done before no problems
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  #11  
Old 30-03-2020
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Quote:
Originally Posted by Yorkiebar View Post
If you're handy with a soldering iron have a go yourself. You just need an identical pot, same resistance and range of angle. 3 wires and it's done.

You might even find it's not the pot once it's opened up, might be as daft as a wire off or the pot jumped off somehow.
I tried really hard to find a Sanwa pot the same as in the gimbals and failed.
Swapping it is easy, finding the correct spec part isn't.
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Old 31-03-2020
Yorkiebar Yorkiebar is offline
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Give me the specs then Neal - see if I can have more luck.

Someone obviously makes them or they wouldn't have been installed in the first place.
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Old 31-03-2020
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Quote:
Originally Posted by daz75 View Post
Could of sworn his son said he was still doing it when I was speaking to him at the indoor season. Maybe not
just double checked, he has defo stopped
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  #14  
Old 31-03-2020
daz75 daz75 is offline
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Quote:
Originally Posted by mark christopher View Post
just double checked, he has defo stopped
Ok thanks for the info.
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  #15  
Old 31-03-2020
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Or try Schumacher they import it
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  #16  
Old 31-03-2020
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Quote:
Originally Posted by Yorkiebar View Post
Give me the specs then Neal - see if I can have more luck.

Someone obviously makes them or they wouldn't have been installed in the first place.
I've got photographs and I noted down the sizes somewhere, but i may have binned the note paper now? Its some Japanese component, and I searched everywhere.

---

I've added the photos, but i can't find the size notes I made.
https://photos.app.goo.gl/sC5zkq9gPx1xmRuf8
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  #17  
Old 31-03-2020
Yorkiebar Yorkiebar is offline
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That does look oddball, not seen a bottom pin type like that for ages - back in my CB radio days!

What might be worth a try is unsoldering it from the daughterboard, carefully prising open the metal lugs on the back and opening it up. Clean the carbon track with some contact cleaner, clean the wiper and check there's enough pressure on it, and bend the tangs down gently for a bit more if it hasn't.

Used to do this trick when i was a kid.
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  #18  
Old 01-04-2020
revol revol is offline
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Quote:
Originally Posted by neallewis View Post
I've got photographs and I noted down the sizes somewhere, but i may have binned the note paper now? Its some Japanese component, and I searched everywhere.

---

I've added the photos, but i can't find the size notes I made.
https://photos.app.goo.gl/sC5zkq9gPx1xmRuf8
What transmitter is that from Neal?
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  #19  
Old 01-04-2020
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Quote:
Originally Posted by revol View Post
What transmitter is that from Neal?
Sanwa Exzes X
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  #20  
Old 02-04-2020
CHEVY CHEVY is offline
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Is gemini X pot not the same
If same should be able to get cheap gemini
Either X or 40 fm
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