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Jul 17, 2017, 09:50 AM
Trader Rating: 23
GymDandy Flyer
Ken Spencer's Avatar
Wanted

UMX AS3X Board Wanted


Hi, Guys
I'm looking for a used UMX AS3X replacement board for my old Sport Cub S.
Needs to be cheap and in working condition.
Keep Them Flying ! , Ken
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Jul 18, 2017, 12:20 AM
Trader Rating: 15
Registered User
Join the club LOL.

What happened to yours? mine got BOILED
Jul 18, 2017, 08:49 AM
Trader Rating: 23
GymDandy Flyer
Ken Spencer's Avatar
Quote:
Originally Posted by knall
Join the club LOL.

What happened to yours? mine got BOILED
I lost the elevator servo on the board. Took it apart and cleaned the slides and brushes, but to no avail. Rest of the board works fine, even the ax3s system.

Thanks for asking.

Keep Them Flying ! , Your friend, Ken
Jul 18, 2017, 09:20 AM
Trader Rating: 332
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racermark's Avatar
I have some of these
can you post a pic of the one you need
mark
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Jul 18, 2017, 09:36 AM
Trader Rating: 29
Registered User
I believe HH sells a replacement servo for the rx. Also megamicro does receiver repair for $25.
http://www.megasmicros.com/product_p/a-c-repairs.htm.
Jul 18, 2017, 12:17 PM
Trader Rating: 17
Registered User
Do you see any of the small black chip that has bulge or burning sign?
It is typical cause by either burning a FET or the motor wire get broken.
If you have high resolution picture of the board I can take a look for you.

Quote:
Originally Posted by Ken Spencer
I lost the elevator servo on the board. Took it apart and cleaned the slides and brushes, but to no avail. Rest of the board works fine, even the ax3s system.
Jul 19, 2017, 03:54 PM
Trader Rating: 23
GymDandy Flyer
Ken Spencer's Avatar
Quote:
Originally Posted by racermark
I have some of these
can you post a pic of the one you need
mark
Quote:
Originally Posted by printk
Do you see any of the small black chip that has bulge or burning sign?
It is typical cause by either burning a FET or the motor wire get broken.
If you have high resolution picture of the board I can take a look for you.
Hi, Everyone
Attached is some pictures of the board itself. I am not seeing any bulging or burn signs. May you will see something I don't.
Keep Them Flying ! Your new friend, Ken
Jul 19, 2017, 04:36 PM
Trader Rating: 29
Registered User
Probably a severed wire or dead servo motor. It looks like the glue is covering some of the wires.
If it's either of the two Mega can fix it.


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