900MHZ 1500mW Camera Troubles

A

aWanderer

Member
Hey all,

So, I finally, after a little more than a month, received my order from HK:


900MHZ 1500mW Tx/Rx & 1/3-inch CCD Camera NTSC 520TVL
http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=21326


Anxiously ran out and picked up two 3S 1300mAh batteries, charged them and plugged everything in... no video signal :(


Both the Tx and Rx are on the same channel. Tried it in my laptop via a USB TV tuner and also tried directly to my TV.


Has anyone had any experience with this setup before? I mean, it doesn't appear to be complicated, so I don't think I am doing anything wrong.


Only thing I notice is the back of the camera gets very hot/warm.
 





A

aWanderer

Member
I am in Canada. I have tried all the channels. I get static initially, then a message that indicates no signal. It's blue on my laptop and black on my TV (I think). Later, after work, I'll post a video, showing me hooking it all up. Maybe that will help more. I really appreciate the help folks.
 


Jake Bullit

Jake Bullit

Fly,crash,glue,repeat!
video out yellow on rx to video in yellow on monitor

sorry ,but sometimes its the simple things:02.47-tranquillity:
 

RCNut

RCNut

Member
Check the wiring colour coding. They have been known to vary from batch to batch. I have one of these and it works fine although I'm not using it at the moment. I think there are some threads on RCGroups that discuss it.
 

A

aWanderer

Member
Thank you for all the input. When I get home, I will check all the wiring. I'll also search RCG and see if I can find anything there.
 


A

aWanderer

Member
ok, I have checked and double-checked. I made a video as well. Maybe you can spot something?
 
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kloner

kloner

Aerial DP
the way it acts as you turn each thing on is like the rx tx is fine. The way that wire out of the cam into the tx is weird....... The heat seems like a wire is backwards. ignore the colors, read what the cameras output is not color, but pinout and see what wire color is on tx input..... something seems backwards or fried

i take it the tx is channel 3?
 

kloner

kloner

Aerial DP
i see the manual to the tx in the thread, is there one for the camera?

edit: That white wire out of your cam should be audio and mate up with the other white wire, but wheres the yellow one? you able to make one?
 
Last edited by a moderator:

A

aWanderer

Member
I agree, but I don't know the pinout.. I need to find a wire diagram for it then. There is nothing on the circuit board.
 

A

aWanderer

Member
kloner said:
i see the manual to the tx in the thread, is there one for the camera?

edit: That white wire out of your cam should be audio and mate up with the other white wire, but wheres the yellow one? you able to make one?
Click to expand...

I don't think the camera has audio. I think that the white wire is being used as video and is connected to the yellow wire. There is no manual for the camera at HK
 

kloner

kloner

Aerial DP
that little magnet looking thing thing on the side of the cam is a microphone.....

did you ever look at rcg for the thread on this they were talking about?

Did the wire your using off the cam come with it as a plug and play? whats the blank wire on the table?
 

A

aWanderer

Member
kloner said:
that little magnet looking thing thing on the side of the cam is a microphone.....

did you ever look at rcg for the thread on this they were talking about?

Did the wire your using off the cam come with it as a plug and play? whats the blank wire on the table?
Click to expand...

Yes, I was browsing RCG, didn't find anything helpful. I realize now, it does have a mic. The blank wire came with it. Desc said "a spare to build your own or to use with a different camera/fpv". Yes, the wiring off the cam did come as plug 'n play.

ok, I found a 2.5mm jack, plugged in the GoPro and I was getting sound, but no video. Still experimenting, but no luck yet.
 

A

aWanderer

Member
I also moved the white wire on the harness so it matches up with the white wire coming off the transmitter. Did not make any difference.
 

kloner

kloner

Aerial DP
got a friend that has this same setup, hes getting us a picture of the colors coming off the camera, his works,,,,,,, be back with em shortly
 

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