Melano87

Likewise I await your results and tests

I had seen this modification several years ago with R86 on a French forum. I know that some French people had made this modification successfully but had not made (had no knowledge) of the C42 modification at the time. I am tempted like you to remove this resistance. For the voltage, my previous tests with a TDI plate (not SL) that ended in failure no longer push me to go higher in voltage than my 4x18650 (about 16.7V).

Great job ! For losing depth :

As I wrote on the post before, the gain in depth is undeniable and even surprising. For small targets I can't say because I don't hunt gold nuggets, I use it on the beach and on the ground for coins, jewelry etc. On my TDI SL the mods performed are: - C56/D20/D21 - C42 switch (without the 1k resistance) - Potentiometer for the volume - Battery 4x18650 The one not performed is the one on C20/C21 because I do not want to lose depth. Carl is the best placed and most competent to talk about the TDI SL. So I will add this 1k resistance. Being in France on low mineralized lands compared to other countries, the results may be different.

Sorry for the response time. No, I had exchanged with several people, and I had not installed a 1k resistor in series. And I use it like that. Is this a mistake? On air tests with modified battery (4x18650) fully charged, I get with the activated switch an additional difference of 5 to 10 cm depending on the type of target. I did not make the modifications on the capacitors (C20/C21) because Carl had confirmed on a post that if we changed them, we gained in sensitivity but we lost a little in depth.

The jumper is made with the Test Points 2 and 31. When I made this modification, I soldered a wire on the TP31, a wire on the TP2, I installed a switch (2 positions) next to the speaker (only place really available), I twisted the two wires up to the switch. Why a switch? Because as the gain increases you have to be able to “control” it and there are places where it is difficult. So when I need it and possible I put it in the ON position. Don't touch R9 - R75 - C42 On TDI SLs manufactured after 2015, D20, D21 and C56 are absent (modification taken into account by Whites). On those before 2015 they are present. I also installed a potentiometer for adjusting the audio volume (like on the Beach Hunter)

Hi, I have a problem with my Musketeer X, I bought a used TS1000 Treasure Searcher coil (not the Slimline) which according to the seller works wonderfully on his Musketeer Advantage. But on my Musketeer X, as soon as I plug it in it emits a brief and repetitive sound to infinity. My question are the coils of the Musketeer Colt / Adavantage / XS etc compatible with the Tribune / Sterling / Musketeer X? I checked at the ohm-meter and I can't find any value between terminals 4 and 5 (while on my original Supersearch, I get a value around 100 and a few ohms). Thanks.

Good news Jeff.

It's ok, Gain 100k 1%, Volume 100k 5%.

Hi Jim and Sven, Sorry for my question maybe my english isn’t very good and so cell was not understood. I don't have a Beach Hunter TDI, I wanted someone to tell me the value of the resistors that are of the Gain and Volume potentiometers. There on the photo I can see these resistors from afar but not entirely. Thanks.

Hi, Someone who has the TDI Beach Hunter could tell me the value (color code and %) of the resistors behind the Gain and Volume potentiometer, and a photo of each please? Thanks.

Hi, I wanted to share a simple website from an enthusiast French guy. Perhaps unknown across the Atlantic, listing many old brands of metal detectors, with photos etc. For the nostalgic https://detecteurmetaux2.blogspot.com/

Thanks.

Hi, Is the link given a protection that cuts to 18v? Not at 16V? Thanks.

I came across photos on another forum showing the wiring of connectors and switches on the Pulse Scan. (The photos are like this on the site, not of very good quality) I don't understand why zener diodes everywhere. Is the wiring of the conductivity switch just unlikely? I have the impression that on the white connector the two wires in the middle are connected via a zener diode (?) One on the wire on the right and one on the wire on the left... I don't understand anything.

« Turntables », my english is poor… Board Very interesting, thanks Carl. Will lowering the two capacitors to 0.1 lead to something else (loss of depth)? Do you think this is useful as it was done by Reg on the TDI SL?

Hi Jim, thanks, What are the mod, because despite my research I can't find an explanation? David

Hi Carl, thanks again. I still had a few questions: - Do the Pulse Scan TDI/TDI Pro and TDI SL turntables have big differences (performance), if so which ones? - Are the Reg changes applicable on the Pulse Scan and should they be made to improve? If so, what are the matches of the C20-C21 capacitors to be set to 0.22uF, the C56 capacitor to be removed, D20-D21 diodes, jump over the C42? Regards. David

Pulse Scan TDI Is the target conductivity switch an ON-OFF-ON?

Thanks Carl and Steve.

Thanks again Carl, I understand. I had one last question, what is the difference in wiring on the "Pulse Scan" where there is the "Ground Balance" potentiometer and the "GEB On Off" switch and the TDI Pro with the two potentiometers "GEB Fine Off" and "Coarse GEB" ? The "GEB Fine" of the TDI is a potentiometer that has a switch and comes in the same location as the "GEB On Off" switch of the Pulse Scan Pro? What is the value of this switch potentiometer? And also Coarse GEB = Ground balance ? Thanks. David

Hi, Many thanks Carl, Ok for the plugs. But the potentiometers, none is "stereo" only mono. Also, how do you know which pin of the potentiometer/switch goes where on the plug? Thanks. David

Hi, Having recovered a Whites TDI motherboard (not SL) and having a coil. I would like to reconnect it with potentiometers and switches. Does anyone have photos showing the wiring/colors of the switches and potentiometers on the plate and the values/types of the potentiometers (B100k etc.) and switches? Thanks. David