Reversing Camera Monitor AV Input plugs

Submitted: Friday, Feb 06, 2015 at 01:01
ThreadID: 111005 Views:3207 Replies:4 FollowUps:7
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My Chinese GPS got knocked off by some low life whose need was greater than mine.
I purchased a replacement GPS with A/V input however the existing AV input plug is too big. The original cabling from the reversing camera is 3 wire cable terminated on a 3.5 mm plug (similar to external speaker plug ) with four segments on the plug
The new GPS has a 2.5 mm socket (I think). I bought a 3.5 mm to 2.5 mm adapter
but it did not work, On investigation it only had 3 segments on the male adapter plug
compared to four on the cabling plug.
Any ideas on how to solve this problem in our shrinking world ?
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Reply By: TomH - Friday, Feb 06, 2015 at 09:47

Friday, Feb 06, 2015 at 09:47
Sounds like you have either a Mini Din or a S Video.

A Mini din has small round pins in it and a Svideo has similar but also has a small rectangular plastic pin to get orientation correct.

You can buy adapters at Jaycar for either to RCA.

I had a similar problem where the video was on a different pin to standard I got an old RCA cable and plug and an SVideo cable and just cut and made a short patch cable. Worked a treat
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Follow Up By: Shaker - Friday, Feb 06, 2015 at 09:55

Friday, Feb 06, 2015 at 09:55
I think you will find that he is describing a phone jack style plug.

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Reply By: Member - pedro1 - Friday, Feb 06, 2015 at 10:43

Friday, Feb 06, 2015 at 10:43
Yes , I think it is a phone type plug (olden days!), see photo to clarify
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Follow Up By: TomH - Friday, Feb 06, 2015 at 16:51

Friday, Feb 06, 2015 at 16:51
Yeah read it wrong Jaycar sell the plug pictured in a 2.5mm

You could cut the end off and resolder the wires onto it. You will need to know what your new unit actually uses. It may have a 3 section connection.
Most things use a 3 section as its for 2 audio and earth.

If you cut and solder leave enough wires on the original that you can meter out the wires to get them on the correct section of the plug.

I cant find any adapters from 3.5 to 2.5 in the 4 section type.
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Follow Up By: Member - pedro1 - Friday, Feb 06, 2015 at 17:22

Friday, Feb 06, 2015 at 17:22
Thanks for the suggestion ( that was Plan C ,soldering braided wire on small 2.5mm plug wasn't a pleasure I was looking forward too )

I would be interested in knowing if the Hema Navigator uses a three or four segment plug for those who have connected a reversing camera
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Follow Up By: The Original JohnR (Vic) - Sunday, Feb 08, 2015 at 09:25

Sunday, Feb 08, 2015 at 09:25
Pedro, just gone through all of this myself in the past few weeks, setting up the rear camera to Hema HN7 and bought online a 6m video lead as supplied for the Chinese screens. It did take ages to arrive, but I have my Hema 4 connector pin like you show above. I checked the 6m RCA to video lead against the Hema one prior to connecting anything, for continuity. All was good.
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Follow Up By: The Original JohnR (Vic) - Sunday, Feb 08, 2015 at 09:30

Sunday, Feb 08, 2015 at 09:30
Like this one Pe
dro
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Follow Up By: The Original JohnR (Vic) - Sunday, Feb 08, 2015 at 15:22

Sunday, Feb 08, 2015 at 15:22
Somewhere like this one Pedro
http://www.dx.com/p/2-5mm-male-to-rca-male-connection-cable-for-car-gps-black-6m-216717#.VNbjj0cxmK0
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Reply By: Lex M - Sunday, Feb 08, 2015 at 00:12

Reply By: Member - pedro1 - Sunday, Feb 08, 2015 at 13:31

Sunday, Feb 08, 2015 at 13:31
Thanks gents, both looks the goods, Lex's option at a cost of $1, its not too much of a risk ,Plan B would be Johns option with cutting the RCA connector off and rejoining the wires.This would also have the advantage of not sticking as far from the GPS Unit .I will be away for 7 weeks so will let you know how I go when I return
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Follow Up By: The Original JohnR (Vic) - Sunday, Feb 08, 2015 at 15:25

Sunday, Feb 08, 2015 at 15:25
I used the original connector plus a socket with a short pigtail of the small diameter coaxial video cable. I tinned the central copper and the strands I stripped from the outside. Easy connection into the socket to the back of my truck
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