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Offline Eugene52
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« Reply #10 on: March 08, 2009, 10:27:09 pm »
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Hello Mike in2mud , measure first with an ohmeter the RX and TX of each coil you have when you get some spare time and post it here . The higher resistance reading is almost always the receive coil or RX . The lower resistance reading is the transmit or TX coil . And let us know how many pins on your DIN connector plug . Two coils look like they are worth keeping , you can use them for various VLF projects . Great Great


Aloha Waveing............ Wise Wise........Eugene52

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Offline Mike In2mudTopic starter
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« Reply #11 on: March 12, 2009, 12:53:41 pm »
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Hi Eugene, I have taken the resistance measurements of the coils that are shown in the photograph in the 1st posting on this topic.
 
The DIN Plug arrangement is a 5 pin 180 degree and is used on both coils.
(see attachment below).

You will notice that on the 6 ?? coil, the shield ?Pin 2? is s/circuit with ?Pin 5?, could this be correct, if for instance that end of the coil was wired to Ov  on the circuit board.

I am fairly sure that the 6 ?? coil is the Chinese MD one posted by Christian (Reply 1), because I was given that odd shaped handle with it, unfortunately it came without the detector control box.

Thanks for your help
All the best Mike.


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DIN Plug wiring.doc

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Offline tyler
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« Reply #12 on: March 28, 2009, 09:07:05 pm »
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coils look kinda cheap

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