Devo 10 Found a resistor burned

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10 May 2013 14:02 #9798 by asafbarhadas
Devo 10 Found a resistor burned was created by asafbarhadas
Hi guys
I probably charged my Devo 10 wrong, now it will only turn on when i'll take the battery out and put it back again when the switch is on. So i opened the back of the TX and saw a burned resistor... :whistle: as you can see the resistor's colors are gone...
Can someone tell me the colors of that resistor (or ohms)?

Thanks!


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11 May 2013 04:16 - 11 May 2013 04:39 #9823 by RoJAck
Replied by RoJAck on topic Devo 10 Found a resistor burned
Found a couple of photos online:

i.imgur.com/8W6q5RQ.jpg

photo.5imx.com/up/forum/201301/25/104732mp704dz1e4177pwi.jpg

If it's green-black-black, that would be 50 ohms. One photo shows a number 52 next to some Chinese words. The silver band at the end is a 'tolerance' and in this case it's 10%, which is pretty typical. (Meaning the actual resistance value could be anywhere from 45 to 55 ohms. (+ or - 10% of 50 ohms.))

The physical size of the resistor typically determines the wattage. From the pics, I'm guessing it's a 1/2 Watt, maybe 1 Watt. You can go bigger wattage, but not smaller if you can't find the part. So don't buy a 1/4 watt, for example.

I hate cracking open my case. If no one else gets to it, maybe I'll open it up and take a look at mine.

Oh, and here's an interesting thread on RC Groups about burned parts from using a 3-cell LiPo. They mention a couple of other parts that might need to be replaced:

www.rcgroups.com/forums/showthread.php?t=1611471&page=138
Last edit: 11 May 2013 04:39 by RoJAck.

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11 May 2013 15:09 #9845 by asafbarhadas
Replied by asafbarhadas on topic Devo 10 Found a resistor burned
Thanks!!!!!
I hope the resistor is the only damage...
I'll replace it and let you know if it worked

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11 May 2013 17:53 #9865 by RoJAck
Replied by RoJAck on topic Devo 10 Found a resistor burned
This seems to be the word for "Ohm": 欧姆

The first character:


Kind of looks like the photo caption:


I think it's a good bet that a 50 Ohm 1/2 Watt should be the part.
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