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Author Topic: What's wrong with my Dvr?  (Read 240 times)

danbt

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What's wrong with my Dvr?
« on: April 07, 2017, 07:11:39 PM »

Hey guys,

Just put together my fpv system and its working, hoorah!

However, the DVR isn't.

I take output from vrx, goes into the Dvr with the headphone jack type of wire but with 3 rings on the shaft, then output goes into my quanum goggles screen.

The Dvr powers up but I get just get no signal on the screen. There are 3 green leds and one red. One green and one red just flash continuously.

This is the HD DVR little silver box that a lot of people have.

Any ideas? I think it's faulty.

Cheers

Sent from my ONEPLUS A3003 using Tapatalk

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Steve W

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Re: What's wrong with my Dvr?
« Reply #1 on: April 07, 2017, 07:37:57 PM »

Try pulling the cable out slightly, some of the devices expect the cables to be wired a certain way so the 3 rings are in the wrong order. Worth a try anyway, that's what my DVR has an issue with.
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Drone 5

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Re: What's wrong with my Dvr?
« Reply #2 on: April 07, 2017, 09:10:33 PM »

This is a copy from a few years ago when I uploaded it but it may help.


I had the same trouble a few weeks ago after getting the pocket DVR from FPV.  At first I used these "Gender changers" (3) to connect from the 3.5mm jack Fatshark attitude goggles cable to the the 2.5mm jack cable.

http://www.ebay.co.uk/itm/Single-RCA-Phono-Coupler-Joiner-Female-Socket-to-Socket-Gender-Changer-Adaptor-/220901607116?ssPageName=ADME:L:OU:GB:1123

I wanted a light weight cable so I got a 3.5mm jack cable to a 2.5 jack.

http://www.ebay.co.uk/itm/4-Pole-3-5mm-Male-to-2-5mm-Male-Jack-Cable-Audio-Lead-AUX-MP3-PC-Stereo-AV-DVD-/251248740078?ssPageName=ADME:L:OC:GB:3160#ht_690wt_958

This standard cable did NOT work as the wiring is different.   I cut the wire and re-soldered them and it works great.  Attached is a drawing of what cable goes to what.  Hope that helps. The sound is only mono.

Pm me or ask on here if you want more help.
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* Mini DVR Video Cable copy.jpg (154.65 kB, 916x1286 - viewed 27 times.)
« Last Edit: April 07, 2017, 09:22:13 PM by Drone 5 »
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YouTube Channel     wad5uk

Drone 5

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Re: What's wrong with my Dvr?
« Reply #3 on: April 07, 2017, 09:18:29 PM »

Pic
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YouTube Channel     wad5uk

Steve W

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Re: What's wrong with my Dvr?
« Reply #4 on: April 07, 2017, 09:38:09 PM »

That's some great info Drone 5, have some karma :)
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