Lightbridge Problem or what?

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I need help. :confused:

List of things I've done already in no particular order:
- Replaced flexible ribbon cable for gimbal [Part 49].
- Replaced every cable provided by Part 42.
- Inspected every connection/component for any damages/disconnections.
- Upgraded/downgraded to every firmware (currently 1.3.20), failing each time (two devices are "not found").
- It makes that really long beeeeeeeeeeeeeeeeeeeep after a few cycles of dd-d-d or d-d-d-d.
- Re-binded controller/craft each time.
- Upgraded controller to latest firmware.
- Using this really fast microSD card.
- Played with auto/manual frequencies and enabled/disable hardware decode.
- Set phone on "Airplane Mode", closed all the apps, plenty of space, reset springboard.
- Reconnected the iOS cable to see if it comes on.
- Tested in a "large open space".

Things observed:
- It flies.
- "No Signal" in red across the top.
- No live feed (main problem).
- Histogram shows changes consistent with lighting.
- Can take photo/video, saves to card, and download to phone but it cannot be viewed from DJI GO app itself. This can be done at any distance so far.
- Gimbal calibrates/moves successfully.
- IMU calibrates successfully.
- Compass calibrates successfully.

Hardware Info:
- Phantom 3 Professional (Craft and remote was sold separately) sold as-is from a private auction site, it appeared that it suffered from a mild crash, only notable damage was the gimbal arm slightly bent. I'm not sure if there already was a video signal before I started the gimbal repair since the remote control came in after I did the repairs.
- iPhone 6+ (running iOS 9 Beta 4), I have nothing else that supports the app.
- This Cambond cable.

What should I do next? :mad:

Thinking about just selling it as-is if I don't have a solution by the end of the month.

Would replacing this solve my problem? If not, what should I do next?
 
Last edited:
I need help. :confused:

List of things I've done already in no particular order:
- Replaced flexible ribbon cable for gimbal [Part 49].
- Replaced every cable provided by Part 42.
- Inspected every connection/component for any damages/disconnections.
- Upgraded/downgraded to every firmware (currently 1.3.20), failing each time (two devices are "not found").
- It makes that really long beeeeeeeeeeeeeeeeeeeep after a few cycles of dd-d-d or d-d-d-d.
- Re-binded controller/craft each time.
- Upgraded controller to latest firmware.
- Using this really fast microSD card.
- Played with auto/manual frequencies and enabled/disable hardware decode.
- Set phone on "Airplane Mode", closed all the apps, plenty of space, reset springboard.
- Reconnected the iOS cable to see if it comes on.
- Tested in a "large open space".

Things observed:
- It flies.
- "No Signal" in red across the top.
- No live feed (main problem).
- Histogram shows changes consistent with lighting.
- Can take photo/video, saves to card, and download to phone but it cannot be viewed from DJI GO app itself. This can be done at any distance so far.
- Gimbal calibrates/moves successfully.
- IMU calibrates successfully.
- Compass calibrates successfully.

Hardware Info:
- Phantom 3 Professional (Craft and remote was sold separately) sold as-is from a private auction site, it appeared that it suffered from a mild crash, only notable damage was the gimbal arm slightly bent. I'm not sure if there already was a video signal before I started the gimbal repair since the remote control came in after I did the repairs.
- iPhone 6+ (running iOS 9 Beta 4), I have nothing else that supports the app.
- This Cambond cable.

What should I do next? :mad:

Thinking about just selling it as-is if I don't have a solution by the end of the month.

Would replacing this solve my problem? If not, what should I do next?
Sounds like you have pretty well exhausted all your options and that you have ample experience. If it were me, I would part it out and move on to the next one.
 
"- "No Signal" in red across the top.
- No live feed (main problem)."

That is due to the reduction from 32 channels to 8 channels for video feedback.. Mine was horrible til I did the channel hack to get my channels back. Works great now...
 

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