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Old Jun 29, 2016, 11:45 AM
nick_packer is offline
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United States, MI, Litchfield
Joined Jun 2016
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Help!
Foxeer 600 mW flickering with no video

My setup is a 5" Martian with a 5v / 12v PDB. 4s powered.
Currently have 2 Foxeer 600 mW TM600
Aomway Antennas
RunCam Swift - PAL
Eachine VR-007 Goggles

Before I start, I plugged my RunCam into my other quad and it works fine. I get signal in my goggles and there's nothing wrong with it. That eliminates "bad camera" solution.


Now, I have wired everything up as follows:

Overview
https://dl2.pushbulletusercontent.co...615_021818.jpg

12v - JST and VTX wires
https://dl2.pushbulletusercontent.co...615_022035.jpg

Runcam
https://dl2.pushbulletusercontent.co...615_022057.jpg

VTX plug
https://dl2.pushbulletusercontent.co...615_022050.jpg


Here's what happens. I used their wires and soldered them to the PDB at the 12v spot. plugged everything in, powered it on, went through EVERY channel on the VTX side, and all it does is sends some flickering to my goggles. NEVER any video, but I can tell in my goggles that the channels are changing when I'm changing them on the VTX.

What I do know:

Doing direct power to the camera via the JST wires, doesn't matter. I still get no video feed.
As you can see the wires are correctly wired (I think) according to their paper diagram.

The voltage for the camera is 5-17v
The voltage for the VTX is 7-24v

I thought maybe the VTX was bad, so I got another one. Same issue. Still no video on either one. They do receive power given the channel indicator lights up and I can change channels.

Why am I not getting Video?!
I'm going mad. Can someone PLEASE help me figure this out!!
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Old Jun 30, 2016, 12:29 PM
Edward McRichy is offline
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FPV Newbie
United States, AZ, Mesa
Joined Jan 2016
63 Posts
Nick,
I feel your frustration, it was like that for me when i first started out. One thing that paperwork on those devices don't say is that the vtx needs to be powered with clean power (lc filter or through BEC) also make sure that the wiring harnesses match what the wiring diagrams show, most say red is power but when the harness is put together, the poor chinese kid doing the work might be color blind. I've seen lots of reviews of various cameras/vtx that have come with the wires backwards.
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Old Jun 30, 2016, 06:54 PM
nick_packer is offline
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United States, MI, Litchfield
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Thank you for replying Edward. I have lined up all the wires according to the diagram not by the color so I know for sure that the plug is correct. What is lc filter? And where would I be wiring the BEC to? I just don't understand why it can't be directly to the PDB. It turns on and what not. I'm learning so bare with me. Clean power from where. Is it possible the PDB is just cheap and not good enough? I mean the vtx powers up and I can change channels. I want to do what you're saying but just to make sure I understand and where to wire everything to. Maybe try wiring it directly to the battery plug/solder pad? Or no?

Sent from my SM-G930V using Tapatalk
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Old Jul 01, 2016, 10:27 AM
Edward McRichy is offline
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United States, AZ, Mesa
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Do you have a volt meter? I would check to make sure your camera has power, maybe you have a bad camera. Also make sure if you are using an NTSC or PAL camera your vtx can do the same. You also may want to try and connect your camera to a monitor or something without vtx to see if you have picture

when using fpv with these quad set ups, you have to have clean power but judging by the picture of your board, the pdb may be providing it, do you have a link to the description, it should tell us.
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Old Jul 01, 2016, 02:21 PM
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I know the camera works. I plugged it into my other quad and it's fine.

So it is possible that the vtx only transmits PAL or NTSC but not both?

I can't find any documentation on the PDB since I got it pre built.
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Old Jul 04, 2016, 02:19 PM
Edward McRichy is offline
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Quote:
Originally Posted by nick_packer View Post
I know the camera works. I plugged it into my other quad and it's fine.

So it is possible that the vtx only transmits PAL or NTSC but not both?

I can't find any documentation on the PDB since I got it pre built.
one idea is to let a friend borrow your vtx to see if it works on their quad. I just dumped my vtx because it stopped working.
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Old Jul 05, 2016, 12:13 PM
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Great idea but I don't have any friends that fly.
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Old Jul 06, 2016, 10:09 AM
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Solved.
Bad PDB.

Suggestion for anyone who buys the knock off alien frame, buy a different PDB online for an extra $10.
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