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Old Dec 03, 2011, 09:42 AM
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Burned fat shark 5.8 GHZ Tx 100 mw

I accidently burned my Fat Shark 5.8 GHz TX 100 mw while Trying to provide 12 V to my new FPV Camera,
Anyone has Idea where and how to adjust it?
Cheers
Tarek
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Old Dec 03, 2011, 05:27 PM
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Quote:
Originally Posted by TAREK.SAADE View Post
I accidently burned my Fat Shark 5.8 GHz TX 100 mw while Trying to provide 12 V to my new FPV Camera,
Anyone has Idea where and how to adjust it?
Cheers
Tarek
Hmmm, according to the manual of this transmitter, it should accept 12 volts. Did you mixed up positive and negative?

It looks like the first cap of an LC low pass filter blew up. I can't read the numbers on the two what seems to be ST linear regulators. If they are linear regulators, chances are they survived. In case it's a switching regulator, you most likely would have to replace that one too.

If you "just" mixed up pos and neg wires, chances are pretty high you get a way by replacing the capacitor alone.

Markus
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Old Dec 04, 2011, 01:23 AM
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Hi, I burned My TX by connecting the out put red wire 5v from TX to 12 VCamera and then Connecting 12 V red wire from 3S Battery to my camera and I totally forget to cut the 5 v wire to the camera!! the result is a Smelly White Magic Smoke!...
the Burned /regulator has code ( 470 7m).
Am not Into Electronic Field and Part but i could replace them if you Help me to find these burned parts.
Thanks In advance
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Old Dec 04, 2011, 02:50 PM
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Switzerland, LU, Buchrain
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Quote:
Originally Posted by TAREK.SAADE View Post
Hi, I burned My TX by connecting the out put red wire 5v from TX to 12 VCamera and then Connecting 12 V red wire from 3S Battery to my camera and I totally forget to cut the 5 v wire to the camera!! the result is a Smelly White Magic Smoke!...
the Burned /regulator has code ( 470 7m).
Am not Into Electronic Field and Part but i could replace them if you Help me to find these burned parts.
Thanks In advance
The "Burned regulator" as you call it is an electrolytic capacitor. I'm pretty sure its 470uF and rated for 6.3 volts, but note, I can't be held responsible for this information! If replacing this part with the one I suggest blows up your home or city, or does other harm, that would be entierly your problem!

You could buy one of those (well, a similar rated one that should do) here:

http://search.digikey.com/us/en/prod...9-2-ND/1859876

Or here:

http://ch.mouser.com/ProductDetail/V...Tydue3xwh8w%3d

Note, I asume it's size is 4.3 mm W x 7.3 mm L x 4mm H, if not, you could use those sites to search for a matching one. Unsoldering the blew up one is not that simple for the unexperienced. You thus may try to locate someone with experience doing SMD repairs. The other thing is that replacing this capacitor is not guarnateed to bring your trasmitter back to life, but IMHO chances are at least in tact it would.

HTH

Markus
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Old Dec 04, 2011, 03:08 PM
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if you want to do it youself, i find a solder sucker is much more easy to use, than a braided peice of copper!
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Old Dec 04, 2011, 03:39 PM
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Hi, I contacted customers Service from Fat shark, and they asked me to remove the Burned / regulator and I did. My Tx back To life again and it is working Just fine,
their comments:
Since I am using 12 V camera so no need for that regulator/diode....etc.
Problem Resolved..
Thanks Fat shark- Gregory French
And thanks for Your Help Markus!
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Old Dec 04, 2011, 03:40 PM
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greg's the man! glad it's working for you
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Old Dec 04, 2011, 03:41 PM
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Thanks & Cheers
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