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Old Aug 09, 2010, 03:53 PM
CyberCrash is offline
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Help!

Headplay won't boot..who can identify the burned up parts?


Hello,
I bought a used headplay.

The goggles worked fine until today when I tried to fly fpv. I connected the plug to my 12V 7A scooter battery and pressed the start button, but nothing happened.

I opened the box up and found the failure.

Who does have this "Liberator" box and is willing/able to identify the burned parts so I can try to replace them.







Who can help me

Kai
Last edited by CyberCrash; Aug 11, 2010 at 07:57 AM.
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Old Aug 09, 2010, 04:41 PM
cwd10 is offline
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ΜΟΛΩΝ ΛΑΒΕ!
Hmmm. That problem looks very familiar. Are you sure you didn't hook up a power supply with the wrong polarity?
Old Aug 09, 2010, 04:46 PM
CyberCrash is offline
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So,
I think you had this problem before?
What did you do?


Wrong polarity?:
I don't think so. At least I didn't switched it on with wrong polarity.

Today before switching (trying to) on the liberator I hooked up an external 3" tv screen just to see the video signal before using the headplay.
Old Aug 09, 2010, 05:34 PM
badlands is online now
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When in doubt, throttle out...
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Kai can u get a super close-up picture of the burn out?

Martin
Old Aug 09, 2010, 06:00 PM
cwd10 is offline
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ΜΟΛΩΝ ΛΑΒΕ!
No. Not me. This guy: https://www.rcgroups.com/forums/show....php?t=1287942

Looks like you cooked the exact same inductor as he did. Unfortunately no one knows the value of this SMD device yet.
Old Aug 09, 2010, 06:53 PM
DavorVZ is offline
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This element have code L11, i just look around for some details, dimension are 1,60,80,8mm and that can be some block capacitor
Old Aug 09, 2010, 10:17 PM
Daniel Wee is offline
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Here you go. Looks like an 0805 sized inductor (component marked L11). I'd guess a standard value of 10uH or 15uH. Unfortunately I don't have the LCR meter with me so I can't test it to tell you the actual value. I don't think the exact value is going to be critical in this case although the current rating would be.
Old Aug 10, 2010, 01:00 AM
Talajouy is offline
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I have a broken left visor mirror/glass.
I am willing to buy your goggles if you could not fix the liberator box.
https://www.rcgroups.com/forums/show....php?t=1289401

Habib
Old Aug 10, 2010, 01:25 AM
CyberCrash is offline
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You guys are great.

Now I hope to get this 10uH so I can try to fix my liberator.

The other post ends without telling if a repair could be done.
Old Nov 05, 2010, 02:46 AM
tushev is online now
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Headplay for sale!
https://www.rcgroups.com/forums/show....php?t=1333078


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