Compass Scanner, JE two board series (top Target ID/Notch board)

[aothunterpl]

Is there an english version? I'll give it a try, maybe very useful for reverse engineer simple pcb.

Hello,

Main menu - window, function description (shortcut key) is in English


Only instructional video and description on the forum in the Polish lang.

[kt315]

it will take a lot of effort on my part scanning all the paperwork

you do not need a scanner to do the pics. you need only 8-12mp camera and sunny day.
attach a list on a flat wall directed to the sun. tune ZOOM so you can go off the wall afar.
do not use DIGITAL ZOOM, use only ANALOG ZOOM.
do pic. simple and very effective way.

[turtlebowl]

I have hundreds of pages on the Scanner is what I mean by,,, a lot of work. But KT that is a great Idea. I like it and will try it If a sunny day ever arrives LOL (winter here).

But It is a little more complicated than just taking a few pictures. there are hundreds of items. also because I am not that organized,,, my paper documents scattered in several boxes and the digital data on Many flash drives that are just as disorganized.
These boxes are in storage, need to get them and scan. Take a look here.



Good news is I have about every thing you need to start already done, Including voltage charts and wave forms. And I am willing to share it. Lots of actual factory stuff. Just no time for pointless effort. It really would be a large project for me to digitize hundreds of papers and I am willing IF someone is actually going to build it.
New Cleaner / quieter modern OP amps and other improvements would take this proven Scanner Verifilter design to an even better level. Add the two frequency 52K and 14K and VCO and you really got a cool machine tough on mineralized ground.

Here is the board that does that. It is simple add to base XP350.

[Melbeta]

I have hundreds of pages on the Scanner is what I mean by,,, a lot of work. But KT that is a great Idea. I like it and will try it If a sunny day ever arrives LOL (winter here).

But It is a little more complicated than just taking a few pictures. there are hundreds of items. also because I am not that organized,,, my paper documents scattered in several boxes and the digital data on Many flash drives that are just as disorganized.
These boxes are in storage, need to get them and scan. Take a look here.
[ATTACH]41520[/ATTACH]
[ATTACH]41521[/ATTACH]

Good news is I have about every thing you need to start already done, Including voltage charts and wave forms. And I am willing to share it. Lots of actual factory stuff. Just no time for pointless effort. It really would be a large project for me to digitize hundreds of papers and I am willing IF someone is actually going to build it.
New Cleaner / quieter modern OP amps and other improvements would take this proven Scanner Verifilter design to an even better level. Add the two frequency 52K and 14K and VCO and you really got a cool machine tough on mineralized ground.

Here is the board that does that. It is simple add to base XP350.
[ATTACH]41523[/ATTACH]

[ATTACH]41524[/ATTACH]

Phil
The job of using a flat bed scanner does not scare me at all. It is work, but as long as there is no deadline as far as getting them done, it does not scare me at all. I have a Leica Digital camera, but even that fantastic camera will not rival the results that a flat bed scanner can do. The vintage documents you have, were placed on acid paper, and the print on them is dying every day. Eventually there will be nothing to retrieve from the acid paper. I have an unique ability to work with the old blue prints, the old white prints, and scan them, put them together and assemble them into large sheets, then enhance them graphically, and have them printed out in town, and then study the large sheets. I can scan them, fix them, and save them for the future...

I will reimburse you for the shipping to me if you decide to go my way. I did it for the fellow in Germany and I can do it with your documents. Send me an email, and I will show you what I can do with the old washed out documents.
Melbeta

[kt315]

a schematic that i did by a 4mp camera. This list was attached to bus stop wall.
i paid huge price for the paper schematic and customs charge BTW.

[Melbeta]

KR315
That schematic for a Tek S/T detector, that you did with a 4MP camera, is terrible quality. I take such crappy schematics, and I scan them into my computer with a flat bed scanner, then I begin to work on them. I end up with crisp black text on white paper, and it is clear, not blurry. The blurry quality of your copy comes from using a digital camera instead of a flat bed scanner. Now I am out out to argue with you, I am telling you the truth. I do quality work. But I spend more time on it than you spend with your 4MP camera. Now I am not being sarcastic, I am telling you the truth.

I have seen your S/T schematic before, when you posted it in the past. It had your website superimposed upon it. I do not work from digital photos, I work from flat bed scanner photos. The document is precise distance from lens, and is lighted by scanner lights. Then I begin to do my work. When I am done, I take the schematic into town, to a print shop, he shots it with a offset camera, prints it on a large sheet rolled off a roll of crisp white paper. I pay him. Then I take it home, and I sell it to the customer for $20..00. The $20.00 covers all my work, including my driving into town, having the printer photograph it with a offset camera, print it out on a sheet of 24" x 30" white paper, then I drive back home again, and sell it to you, for a reasonable price of $20.00 for a rebuilt large schematic. A pity you do not live closer to me. I do not make much money, but I do it for the challenge, and after that, if another person wants a copy, I sell another for $2000, then slowly I begin to get paid for the tremendous work I did on the original schematic. Why do I do it? It is for the challenger of doing it...

The photo below, is where George Payne wrote his name on his Coin Scanner Pro schematic. It was almost not readable, but it was a challenge to me, and I took it, scanned it, cleaned it, enhanced it, and there it is.
Melbeta

[dbanner]

Tek S/T http://detecteurmetaux2.blogspot.fr/...teknetics.html

[dbanner]

I have simple question, why so many detectors come in plastic box, like teknetics coin computer, big bud series etc, no shielding? Yet they were very good?

[crni1]

These are very good machines, I can make them even more modern models.
I was lucky to work with several Compas models, but it is difficult for us in the Balkans to come to us.

[waltr]

I have simple question, why so many detectors come in plastic box, like teknetics coin computer, big bud series etc, no shielding? Yet they were very good?

The magic of not requiring a shielded enclosure is in the PCB layout.

[Tim]

I have a full schematic ( minus TID ) for all John Earle Scanner models. XP, GSP and AU. As well as most of the documentation to build these machines. Including coil data, a full parts list, voltage charts and component locator print.

David B graciously supplied the TID print that I was lacking last week. Thank you David for all the hard work tracing that sucker out and sharing it here.
Several year ago David B also supplied the schematic here for the base stripped down Scanner circuit, Model XP-350.

Now there is talk of making this a project and I would like to offer the info I have if there is someone here that will commit to taking this on or at least starting it. In my collection are personal documentation and testing from John Earle.

The Latest Model Scanner called the AU2000 was an early analog 2 frequency machine with great sensitivity on tiny gold. This particular Scanner also Has a VCO, which works great. This would be a nice direction to take the Scanner perhaps? The machine could scan at 13.77 OR 52Khz.
I will happily share what I have but it will take a lot of effort on my part scanning all the paperwork,,, much of it from the Compass factory. This includes ECO and revision changes. But it is a lot of work for me to do if no one does anything with it. Is there enough interest and someone capable of running with this?

Phil M

Either way Phil, it would be a pity if this information were to be lost. Also some designs and ideas may be adapted to other detectors. Perhaps you could start with the schems and layouts?. Someone here may even be able to digitally enhance them for you/us.

I would urge you to share what you deem relevant.

I love my Compass 94B. Simple, light, and an iron killer.

[turtlebowl]

Just clicked on my links in my post above. The link to the Compass Paper/Docs did not work. Here are valid links.
As you can see the paper is OK for the most part. Perfectly legible. These are real schematics and Papers directly from the factory., not copies. You can see there is alot.



I have a little stuff I have already scanned... I can post some of that and see if there is any interest in a build.
These circuits are different than the competators and some view them as best In Heavy Soil in their class.
I was hoping someone would want to build this with quieter modern ICs and make improvements on an already good base unit,,, if I supplied all the info. A member, Electrical Engineer, has already done this type IC replacement and reports much improved results.
It could be a nice community project? And since the PCB covers 8 different models folks could pick and choose from the various model features to create custom detectors of their preference. It was just a thought for a winter community project. Could be fun.

[Tim]

Your attachments still aren't working Phil. Try "Go Advanced"- Manage attachments-Add files-choose files(one at a time)- Upload.

[Melbeta]

Just clicked on my links in my post above. The link to the Compass Paper/Docs did not work. Here are valid links.
As you can see the paper is OK for the most part. Perfectly legible. These are real schematics and Papers directly from the factory., not copies. You can see there is alot.
[ATTACH]41558[/ATTACH]
[ATTACH]41559[/ATTACH]

I have a little stuff I have already scanned... I can post some of that and see if there is any interest in a build.
These circuits are different than the competators and some view them as best In Heavy Soil in their class.
I was hoping someone would want to build this with quieter modern ICs and make improvements on an already good base unit,,, if I supplied all the info. A member, Electrical Engineer, has already done this type IC replacement and reports much improved results.
It could be a nice community project? And since the PCB covers 8 different models folks could pick and choose from the various model features to create custom detectors of their preference. It was just a thought for a winter community project. Could be fun.

The older paper, not withstanding whether or not it was an original or a photocopy, used acid based paper. Therefore the inks and images are being erroded away by the acid bearing papers. Even older photographs are not immune to this damage. I have been scanning my mothers family photos, and some of them I found in the album, are gone. Some turned black. Some were white with no image remaining.

Now blueprints were made with a blue print machine, and they used a clear film master copy, and filled the blue print with Ammonia solution, and stuck in special blueprint papers, and out of the output slot, came a whiteish sheet, with a faint blueprint ink. Those are terrible to contain over time. Now some took them to whiteprint company, so the blueprints are what I call a whiteprint, which is whiteish paper with the ink black instead of blue. So it is still the same stuff. They fade out fairly quickly and the image disappears.

Do a search on the internet, and you will find I told the truth. Now to prove what I said is true, here is an example of a schematic, that is so faded, I had to struggle with saving it. But I did save it. I did not save the original schematic, I saved the image to my computer. It was a lot of work, but a challenge and I did save it into legible readable format.


Now this next example of original factory schematic, is in slightly better condition, but it still exhibits evidence of fading of the blueprint ink. And I saved this one too... This second one, was a whiteprint, which meant it had black ink instead of blueprint ink. This way you can understand the difference...


Now what you may have might still be in good condition. I do not know, as I have not see the copies. But remember, the originals, unless they were made from the originals not too long ago, as susceptable to ageing from the chemicals in the copies. What I say is true.

This following photo, is of my grandfather's brother, it was taken in Russia. You can see how the photo has deteriorated. So all I can do is work with what I have. I cannot restore what is gone. This first image is of the photo, as it was damaged by the acid in the paper. To the human eye, the image in places is gone. But to the camera, aided with various shades of color filters, I pulled up missing parts of the image... On second photo!


So you see, I am not a magician. I started out as a Printer's Devil back in 1954. And today,some of you might think I am a magician! You tell me? It is 64 years later, and I have done this and I have done that. I have learned from both experience and failure. And I have earned the right to say I am still not a magician, but my work sure looks like I am a magician...
Melbeta

[turtlebowl]

Trying again... the pix were there in "preview" but lost somehow when I clicked "post". Twice. wierd.
I'll try "Go Advanced" as suggested.