PISTOL DETECTOR SCHEMATIC

[WM6]

Was a complete remote, or only the switch hidden in mineoro´s team shoe ?

Probably it is about stollen prior art:

http://www.freepatentsonline.com/7758523.pdf

[J_Player]

Now the important question is ... "Why would you include an IC in your LRL that is designed to receive encoded signals from a remote control?" ... unless you were intending to trigger it from an external source. Personally, I have never heard of gold targets, either fresh or long-time buried, emitting digitally encoded signals. Or is this related to [digital] gold DNA?

Time to consult Hung's Manual of Pseudo-Science.

Hi Qiaozhi,
If you trace the circuit from the back, it appears the encoder output is amplified by the transistor, then sent through a resistor to the wireless headphone switch which is wired to 3 conductors at the beeper.
It appears this switch can switch the circuit from powering the beeper, or to powering the encoder with amplifier circuit.
It is beginning to look like this could be an encoder for a wireless headphone, as Geo suggested.

This seems an odd kind of IC to use for a wireless headphone.
These ICs were designed to be used for infrared remote controllers for multifunction controls, and they have a 2-word security code that prevents them from transmitting unless the code is good.
They could also be used as a remote RF controller, as a beep repeater.
But encoding and decoding seems like a complication that is not needed to simply send beeps to a headphone.
Why not a simple RF transmitter that beeps when the PIC tells it to send out a carrier with an audio tone on it?

Looking at the circuit, this IC probably receives some kind of input from the PIC to make it function.
My guess is it's main function is to operate as a carrier transmitter when switched on, and the PIC determines when it will send out a digital word that signals to beep.
The wireless headphone then needs a decoder (MC145027) to decode the digital encoding and make beep sounds.

It Just seems simpler if a small transmitter sent a carrier with an audio modulation signal from the PIC when it is time to beep.

Wait... The encoder/decoder prevents a customer from using a pocket radio receiver with cheap headphones, so he must use the factory headphones with the decoder.


Best wishes,
J_P

[Fred]

Ahah!
Someone had to notice that an encoder ic doens´t decode, and a receiver doens´t transmit
I was expecting your reaction
Is that just me or i am really the prettier on that picture?

[nelson]

Hi gain J_Player.
Thanks for so complete information and orientation about PD.
I will do more search on this topic and for shure if i get succes i will let you know.
Best regards
Nelson

Hi Nelson,
I found my information for all this in two threads that Alexismex made to show what he found insde the Mineoro CDM210.
You can read the original posts he made here: http://www.geotech1.com/forums/showthread.php?t=12061
And for the second part here: http://www.geotech1.com/forums/showthread.php?t=12165

You will see sisco made some PCB diagrams here http://www.geotech1.com/forums/showt...5448#post55448 but he was not sure they are correct.
Later I see Geo's circuit and another circuit from the Greek forum which is similar here: http://www.geotech1.com/forums/showt...833#post121833

From what I see, I think You are wise to make your own PCB because nobody seems to have the correct information.
If you PM to Alexismex, maybe he can send you some good information, because he opened this LRL and he has the original parts.

My opinion is there are errors in the Greek schematic, and in the Geo schematic, and in my corrected version too. The reason is because we did not see all of the connections from the photos that Alexismex showed. I think we will have a correct schematic only after we get more photos of the parts that we did not see yet from this board.

My opinion is there is no chance to make a good clone of this locator until we first have a schematic that is correct.
We do not have a correct one at this time.
I Think you will need to make your own circuit board, and to check the circuit for yourself.
I do not think anyone has posted a correct cicruit yet. But the circuits we see are good to start with to make corrections to.

Also, I think this is not a good model to try to make a clone. From what Morgan says, the only Mineoro LRL he has tested that can show some detection is the DC2008.
I think this is a different model than what Alexismex shows... CDM210


p.s. If you convert the hex file to assembly language, I would like to see the final ASM code. This will show important information for the signal processing.

Best wishes,
J_P

[Qiaozhi]

Ahah!
Someone had to notice that an encoder ic doens´t decode, and a receiver doens´t transmit
I was expecting your reaction
Is that just me or i am really the prettier on that picture?

The insults have started, so we must be getting close to the truth.
Keep digging!

[Qiaozhi]

Encoding signal is for the wireless headphones.

Is that correct?
The Mineoro website doesn't mention wireless headphones as an accessory.

http://www.mineoro.com/goldDetectors/fg90.php

[Fred]

The insults have started, so we must be getting close to the truth.
Keep digging!

Exactly
Have you noticed how Hung is getting smarter?: He doesn´t write any more, just keep posting pictures, witch is simpler for him and help to hide his lack of knowledge.

By the way, i see nothing in that picture that could make me think they are (or not) smart. Or is Hung considering that their genetic anomaly a sign of stupidity ? If so that would be a crime.
I just see 4 persons, maybe different in appearance with the majority of men, but it give me no sentiment of superiority.

[J_Player]

Is that correct?
The Mineoro website doesn't mention wireless headphones as an accessory.
http://www.mineoro.com/goldDetectors/fg90.php

This is apparently for an older model. See the switch next to the compass.
Here is where we also see the pasted on sticker that labels it FG79.1.
The original faceplate label says CDM210, and the circuit board says PDC2001B.
This tells us there are minor changes between the different models..
Mineoro was using old circuit boards and only changing the stickers they put to label the faceplate.
Also note their new sticker on this LRL says FG79.1, which is one of the first models they claimed will find fresh gold.
So you don't need to worry if your gold is not buried for a long time, it will still find it according to Mineoro propaganda.

Also note the digital display. This explains part of the function of the Atmel PIC.
Of course, the digital display and the Atmel clock functions that drive it will inadvertently broadcast molecular frequencies that could interfere with the true gold frequency.
If the interfering frequency from the display depolarizes the gold DNA, this may explain the failure of this model to locate gold.




Best wishes,
J_P

[Carl-NC]

Hung, if all you want to do is post denigrating pics (same as name-calling) then do it on someone else's forum.

[hung]

Hung, if all you want to do is post denigrating pics (same as name-calling) then do it on someone else's forum.

Denigrating eh?
I just think it's funny and perfectly represents their conclusions.

Humm... how do you consider the pics some members of your smart squad have posted about me and Esteban all these years? Elucidative funny?
And of course those will remain but my pictures don't, as they really shake the 'non seqitur'.
Fair. Skep's policy.

[Qiaozhi]

This is apparently for an older model. See the switch next to the compass.

Interesting ... I hadn't noticed that before.

[WM6]

Humm... how do you consider the pics some members of your smart squad have posted about me and Esteban all these years? Elucidative funny?

As you too.

But abuse pictures of physically disabled persons is question of basic humanity not question of "Elucidative funny".

[hung]

But abuse pictures of physically disabled persons.

dis·a·bled (ds-bld)adj.1. Inoperative: a disabled vehicle.
2. Impaired, as in physical functioning: a disabled veteran; disabled children.

n. (used with a pl. verb) Physically impaired people considered as a group: the physically disabled.

Usage Note: Disabled is the clear preference in contemporary American English in referring to people having either physical or mental impairments, with the impairments themselves preferably termed disabilities. Handicappeda term derived from the world of sports gamblingis still in wide use but is sometimes taken to be offensive, while more recent coinages such as differently abled or handicapable have been generally perceived as condescending euphemisms and have gained little currency. · The often-repeated recommendation to put the person before the disability would favor persons with disabilities over disabled persons and person with paraplegia over paraplegic.

*********
As you see, no wonder you do belong to the smart squad.

[Carl-NC]

Humm... how do you consider the pics some members of your smart squad have posted about me and Esteban all these years? Elucidative funny?
And of course those will remain but my pictures don't, as they really shake the 'non seqitur'.

You know very well I apply the rules fairly. If you don't like something, report it.

[J_Player]

Hi gain J_Player.
Thanks for so complete information and orientation about PD.
I will do more search on this topic and for shure if i get succes i will let you know.
Best regards
Nelson

Hi Nelson,
I remember Alexismex did not have time to complete the schematic, but he will send you all the parts from the CDM210 if you pay the shipping.
I believe Alexismex lives in Mexico.
See here: http://www.geotech1.com/forums/showt...6223#post86223


Best wishes,
J_P