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Offline Eugene52Topic starter
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« on: June 26, 2020, 08:41:52 am »
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I have 3 Metal Detectors I just got sent to me for Repair .

Getting my camera ready, hooking up my test equipment. It will be fun in the Summertime , fix and then field test !!!  I will try to post pictures on every step of the

process. From Disassembly to troubleshooting to repair, then a Field test . That's my Goal here on this forum . Should be a ton of fun.


Regards and Everyone Please Stay Safe !!!!

Eugene



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Offline nickel_n
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« Reply #1 on: June 26, 2020, 11:08:45 pm »
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i will be watching
what are they?

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Offline Eugene52Topic starter
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« Reply #2 on: June 29, 2020, 02:56:55 pm »
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Quote:Posted by nickel_n
i will be watching
what are they?


Hello Nickel-n , Sorry for the Delay. They are not on the Bench yet .

All I did when I opened the shipping Box was put in batteries, hook the search coils up to each of the 3 Metal Detectors and got the same chatter on all of them !!!
I have a spare search coil somewhere too , to verify that it's The Metal Detector's that are bad , they were manufactured in the 1990s and are discontinued now.  But they are Great Metal Detectors when they work. I have been out of town for a few days again , so need to find my camera and make some more room, and do a few things before I take stuff apart.

Once I get going,  it should not take too long .

Best Regards and Everyone Please Stay Safe !!!

Eugene





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Offline nickel_n
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« Reply #3 on: June 29, 2020, 06:00:50 pm »
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What brand/model are they?  Undecided

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Offline Eugene52Topic starter
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« Reply #4 on: June 30, 2020, 12:42:31 pm »
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Quote:Posted by nickel_n
What brand/model are they?  Undecided



Hello my friend Nickel-n,  Not on the Bench Yet !!!

Will be a little of everything . Assorted Broken Machines [Metal Detectors] from different Manufacturers . I have been super busy . Which is good during these troubled times.

Regards and Stay Safe !!!

Eugene



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Offline Eugene52Topic starter
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« Reply #5 on: July 16, 2020, 03:57:06 pm »
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Hello Everyone.`

Finally got my Mancave Metal Detector Repair Bench in Order !!!

Due to Forum Rules here I can not disclose the name of this Metal Detector Manufacturer that I am repairing. But its a Great VLF Metal Detector with a Great Feature I love, it has two controls  for both Ferrous and Non Ferrous Range elimination. Too me its like a Wide band Discrimination.
It is old from the early 90s . My preliminary observation on the bench I suspect a problem around IC number U3 and or U5 both are LM358 .
I finally just started the testing today. With better light I will have better photos later and this "step by step" repair will be a "work in progress". Every few days I will try my best to update my progress. I'm semi retired and i'm finally doing number one on my Bucket List !!!

Thank-you to everyone for being on this forum !!!  I have lots of fun on here too,  it takes us away from these troubled times we are in.

Everyone Please Stay Safe !!!

Best Regards...................Eugene



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