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Dirty video feed. Lines and interference appeared in the videos

ussr

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Joined
Aug 11, 2018
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Hi,
I have a Diatone GT2 qaudcopter. (Diatone Crusader GT2 200 FPV Racing Drone /w F3 SP3 48CH VTX 30A BLHeli_S ESC HS1177 600TVL Cam PNP ). The video used to be fairly clean. But recently (maybe after some crashes), it became quite dirty. I don't remember seeing such distinct horizontal lines, and/or that much interference. I am trying to figure out what can it be and how it can be repaired, or whether to replace the Flight board, or the VTX. Have any of you had a similar issue?
Thanks

 

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You can:
Try new antennas
Try a different channel
Check solders/connections
Add a low esr capacitor
 
Thanks. Yes, the issue was the antenna wire, that was damaged inside.
 

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