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DeepTech

:hot: I put some new life into my Golden uMax :thumbup:

M

Mike Hillis

Well-known member
My Golden's performance had started to decrease until my tones no longer worked properly. Quarters and Dimes started sounding like Zincs and I started loosing 2 or 3 inches in depth. I debated about sending it into Tesoro for a check up and a tune up but since my unit is modified with a manual ground balance I hesitated to do that. Tesoro wouldn't work on it without restoring it to stock configuration which would mean loosing my gb mod. I didn't want to have to redo the mod either. So I've hemmed and hawwed until I decided to try to fix it myself.

It turned out to be a pretty simple fix. I just openned her up and adjusted the pot that controls the tones and notch. Took my time and was gentle. Got it back to where Quarters and Dimes gave a high tone and zincs stayed down in the next tone where they belong. Took about 30 minutes to get it just right. The only problem I had was I couldn't get the nickels and zincs tones to seperate cleanly and still keep the high coins and zincs sepearate. Not that big a deal but it bothered me somewhat. Also the notch switch no longer worked as I had grown accustomed to. Again, not that big a deal but it, too, bothered me somewhat.

However my depth did return and actually improved a little bit and the high tones and zinc tones have been clean so I been pretty happy with it and haven't sweated the things I couldn't make better.

Well....remember where Tinfoil posted that the Notch Width dial had an affect on the tones? I'd never experienced that before so I never pursued it. Until last night I was fooling around bench testing my machines and decided to see what I could do to 1.) get a clean 10" quarter hit on my Golden in Disc (got good 9" but the 10" was intermediate and scratchy so I failed in that task) and 2.) get my Nickel and Zinc tones to seperate out into well defined tones. Guess what? I got my tones to split into nice clear tones by using the Notch Width dial. I was grinning ear to ear when that happened. All it required was for the notch width dial to be set to around the the 4:30 O'Clock position. The nickel tone was pure and the zinc tone was pure. Thanks Tinfoil !!!!!!!!!!!!!!!!!!!!!

All in all I've regained and increased performance some, got my tones to split cleanly like I wanted, and kept my ground balance modification. But to offset that I've lost some of the notching adjustment range in the tab range. Not too bad a trade off.

Pretty pleased in fact. :hot:

HH

Mike
 
the pot that controls the tones is which one? I'm thinking it is the one to the right and somewhat lower looking at the board?
Also, after adjusting it do the nickles drop out when you use the notch positioned to the left looking at the face of the detector?
Glad you got it set up!
Pap
 
Maybe JB will pop in here and give some more instruction. I got to send both of my Goldens back to Tesoro one more time to try and get them adjusted. They get confused on the tones. :thumbdown: . later Bud, HH :D: :D: Jerry aka Tinfoil
 
According to the book you should loose the nickel with the notch switch on "Narrow" while turning the knob counter clockwise. When mine came back this was not the case. The nickel never dropped out.
Pap
 
Remove the screws holding the face plate on, lift the face plate up and you'll see two blue trimmer pots. The ground balance trimmer is the blue pot inside the red circle. The other blue pot adjusts the tones and notch up and down the disc range. I adjusted the Golden uMax I used to have and some of the fella's on the forum about tore me up, like it was against the law to open up a Tesoro. So don't say I didn't warn ya,lol. I figure if it is yours go for it.,won't hurt a thing as lond as you are careful. Steve.
 
Job Tesoro does but I will not get into it right now. As I am going to send both of mine back again as they dont' get any depth and they can't even ID targets right on even shallow ones. We will see what happends. I know what the Goldens will do and how good they really are. Maybe we will all just have to go to the trouble of adjusting the Tone/Width Pot like Steve did on his and you and JB did on theirs. Hell, all I want them to do is get the ID right. I will adjust the tones like the rest of us have to do to get a good machine. Well don't let me get started till I get mine back and see if they are in tune. HH Jerry aka Tinfoil
 
I just wish I knew for certain where certain things like the nickel should drop out when usng the notch.
Pap
 
Hi Pap,

Yes the nickel will notch out if I switch to Narrow and turn the Notch Width dial counter clockwise. They used to drop out about 9:30 before I started fooling with it. Now they will drop out by 2:00. Much too early. But I can live with that.

SkiWhiz put up JB's photo and he is correct. The lower pot to the right is the one that adjusts the tones and notch. However, getting it set like they do at the factory is no easy task as I couldn't replicate my first tone/notch functionality and have to be content with what I have now. Which isn't bad in my opinion.

HH

Mike
 
Sure sorry you are having such trouble with yours, Tinfoil. Seems like this past year you have been having a lot of problems. This is the first time I've had any issues since I got my used one back in 2004. Course I don't hunt as often as you do either so you get a lot more hours on yours than I do. I'm just glad to get it operational again. Since I was unable to get mine back to its previous functionality I'm pretty sure they must have to put it on a scope and adjust something else besides just that pot. If it could be done with just the pot I would of been able to do it. Might put a quarter on your boot and scan it every now and then to make sure it knows what a high conductive coin tastes like. Sounds funny but every once in a great while mine would "forget" and a quick scan would help it remember. :lol

I'm going back to using the Golden as my primary unit.

Good luck with yours.

HH

Mike
 
"Since I was unable to get mine back to its previous functionality I'm pretty sure they must have to put it on a scope and adjust something else besides just that pot."

I tend to agree with you. I have mine set up to drop the nickel out at about the "eight" on a clock dial. Was also wondering does your Golden give a lower tone the first couple of sweeps and then change to the high tone on a dime. No big deal but I was wondering if that is normal?
Pap
 
It is too bad they do not publish their alignment procedure. Their are plenty of us with enough back ground from amature radio that could have fun playing around with our toy's and would do so more often if we where sure we could realign everything.
 
Pap,

No. When mine hits a high coin it gives a high tone. Once in a great while on a deeper high coin it will start with a low tone and then go high and stay high. But that doesn't happen very often. That was what I meant by it seeming to 'forget' what a high coin tastes like.

Your nickel should drop out when using a narrow notch. In my opinion that is necessary functionality on the Golden. Some people say that using a notch is a waste of time and causes you to loose good targets. I say using a notch lets you focus your efforts where you want to focus them and results in more and better finds in less time. You need to get your notch fixed.

I'm currently ok with where my notch is working at as it still allows me control in the conductive ranges I care about. I just have to relearn the ranges.

HH

Mike
 
O.K. I went back in and adjusted it again and the nickel drops out using the narrow notch and a dime I have planted outside
(yea, like where else would it be!) come up with just the high tone now. Zinc will falter when using the notch in the wide notch.
Pap
 
Thats good. See if you can get it to where the zinc is completely quiet with the notch switched to wide while keeping the nickel in the notch zone and a dime as a high tone. If you can do that you are good to go and can have some confidence. When you get into a lot of steel bottle caps you'll really want that wide notch to work.

HH

Mike
 
I have a hand drawn reversed engineered Golden schematic but it goes into progammable chip that controls the tones and notching. Be nice to have both the procedure and the codes :wiggle: We could do some real damage with that :wiggle:

HH

Mike
 
Right now the zinc sputters; not a good response and the bottle cap doesn't register.
Pap
 
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